{"data":[{"slug":"supergateway","name":"SuperGateway","tagline":"MIT stdio↔SSE/WS bridge for MCP transports","category":"agents","url":"https://github.com/supercorp-ai/supergateway","github":"https://github.com/supercorp-ai/supergateway","pricing":"open-source","hook":"SuperGateway is one-command plumbing so local stdio MCP servers speak SSE, WS, or Streamable HTTP — and back.","whatsGood":"MIT. npx supergateway --stdio \"…\" exposes a local MCP over SSE/WS/streamable HTTP; --sse / --streamableHttp flips remote→stdio for Claude Desktop/Cursor. Docker image available. Useful for remote clients, debugging, and hosted MCP edges.","theCatch":"Plumbing only — not a Playwright/Chrome DevTools MCP capability server. It does not add browser, docs, or symbol tools; it only rewires transport. If your client already speaks the server’s native transport, you do not need it.","verdict":"MIT MCP transport bridge. Wire stdio to remote clients; expect zero new capabilities.","addedAt":"2026-09-08","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","api","self-host","permissive","active"],"capabilities":["mcp","stdio","sse"],"surfaces":["MCP","API","Self-host"],"ecosystem":["Node.js","Multi-platform"],"licenseModel":"OSS/MIT","githubStars":2913,"starsPerWeek":31,"access":"free","archived":false,"repo":{"createdAt":"2024-12-21","pushedAt":"2026-10-19","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/supergateway","html":"/gems/supergateway","markdown":"/gems/supergateway.md"}},{"slug":"fastmcp","name":"FastMCP","tagline":"Apache-2.0 framework to build MCP servers/clients/apps","category":"agents","url":"https://gofastmcp.com","github":"https://github.com/PrefectHQ/fastmcp","pricing":"open-source","hook":"FastMCP is the Python framework for building MCP applications — not a catalog of live MCP servers you install.","whatsGood":"Apache-2.0 (Prefect). @mcp.tool → schema, validation, transports (stdio/streamable-http). Servers, clients, and interactive apps in one API. Powers a large share of Python MCP servers; TypeScript sibling exists. Horizon is the optional paid enterprise gateway for registry/SSO/RBAC — not required to build.","theCatch":"Build MCP apps ≠ use live MCP servers. Distinct from Playwright MCP / Context7 / Serena (capability servers) and from SuperGateway (transport glue). Horizon paid optional for ops at scale; day-one path is OSS FastMCP alone.","verdict":"Apache-2.0 MCP framework. Ship servers with it; do not confuse it with a tool marketplace.","addedAt":"2026-09-08","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","sdk","self-host","permissive","active"],"capabilities":["mcp","sdk","framework"],"surfaces":["MCP","SDK","Self-host"],"ecosystem":["Python"],"licenseModel":"Apache-2.0","githubStars":28131,"starsPerWeek":286,"access":"free","archived":false,"repo":{"createdAt":"2024-11-30","pushedAt":"2026-10-18","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/fastmcp","html":"/gems/fastmcp","markdown":"/gems/fastmcp.md"}},{"slug":"mcp-remote","name":"mcp-remote","tagline":"MIT npx stdio↔remote MCP proxy with OAuth support","category":"agents","url":"https://www.npmjs.com/package/mcp-remote","github":"https://github.com/punkpeye/mcp-remote","pricing":"open-source","hook":"mcp-remote is the one-liner that lets stdio-only MCP clients reach remote HTTP/SSE MCP servers (with OAuth).","whatsGood":"MIT (punkpeye/mcp-remote; Cloudflare-origin lineage). npx mcp-remote https://… bridges Claude Desktop/Cursor/Windsurf stdio configs to remote MCP, including OAuth flows. Transport strategies (http-first/sse-only/etc.). Temporary plumbing until clients speak remote natively.","theCatch":"Vs SuperGateway (bidirectional stdio↔SSE/WS bridge): mcp-remote is the client-side remote+OAuth drop-in, not a capability server and not a full gateway product. Some clients already speak unauth remote MCP — you only need this for OAuth/legacy stdio hosts. Adds a local Node process in the path.","verdict":"MIT remote-MCP stdio shim. Use until your client speaks OAuth remote natively.","addedAt":"2026-09-14","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","api","self-host","permissive","auth","active"],"capabilities":["mcp","proxy","oauth"],"surfaces":["MCP","API","Self-host"],"ecosystem":["Node.js"],"licenseModel":"OSS/MIT","githubStars":1634,"starsPerWeek":20,"access":"free","archived":false,"repo":{"createdAt":"2025-03-20","pushedAt":"2026-10-17","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/mcp-remote","html":"/gems/mcp-remote","markdown":"/gems/mcp-remote.md"}},{"slug":"mcp-inspector","name":"MCP Inspector","tagline":"MIT official MCP server debugger — web, CLI, and TUI","category":"agents","url":"https://modelcontextprotocol.io/docs/tools/inspector","github":"https://github.com/modelcontextprotocol/inspector","pricing":"open-source","hook":"MCP Inspector is the official Model Context Protocol debugger: poke tools/resources/prompts before you wire an agent.","whatsGood":"MIT (@modelcontextprotocol/inspector). One binary: web UI (default), --cli for CI/agents, --tui for terminals. npx @modelcontextprotocol/inspector against local or remote servers. Reference tooling from the MCP project — not a third-party clone.","theCatch":"Debug surface, not a production MCP gateway or registry (see Smithery) and not transport glue (SuperGateway/mcp-remote). You still author servers elsewhere (FastMCP, etc.). v2 is the active line; pin versions in CI.","verdict":"Official MIT MCP inspector. Test servers here; ship them elsewhere.","addedAt":"2026-09-14","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","cli","tui","self-host","permissive","license-unclear","active"],"capabilities":["mcp","debug","devtools"],"surfaces":["MCP","CLI","Self-host"],"ecosystem":["Node.js"],"licenseModel":"OSS/MIT","githubStars":11097,"starsPerWeek":104,"access":"free","archived":false,"repo":{"createdAt":"2024-10-03","pushedAt":"2026-10-14","license":"NOASSERTION","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/mcp-inspector","html":"/gems/mcp-inspector","markdown":"/gems/mcp-inspector.md"}},{"slug":"github-mcp","name":"GitHub MCP Server","tagline":"MIT official GitHub MCP — issues, PRs, code, workflows for agents","category":"agents","url":"https://github.com/github/github-mcp-server","github":"https://github.com/github/github-mcp-server","pricing":"open-source","hook":"GitHub’s official MCP server lets agents read repos, manage issues/PRs, and automate GitHub from any MCP host.","whatsGood":"MIT (github/github-mcp-server). Remote hosted endpoint (api.githubcopilot.com/mcp/) plus local server option. First-party tools for code, issues, PRs, Actions — works with Copilot, Claude, Cursor, OpenCode, Antigravity CLI, etc. Beats DIY Octokit wrappers for agent UX.","theCatch":"Vs Composio (multi-app auth fabric): this is GitHub-only, official, and PAT/OAuth scoped to GitHub. Hosted remote path ties to GitHub/Copilot auth; local mode is yours to run. Permissions are the catch — over-scoped tokens are how agents leak. Not a generic toolkit marketplace.","verdict":"Official MIT GitHub MCP. Use for GitHub; use Composio when you need 1000 apps.","addedAt":"2026-09-14","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","self-host","permissive","workflows","active"],"capabilities":["mcp","github","devtools"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":33742,"starsPerWeek":397,"access":"free","archived":false,"repo":{"createdAt":"2025-03-04","pushedAt":"2026-10-15","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/github-mcp","html":"/gems/github-mcp","markdown":"/gems/github-mcp.md"}},{"slug":"mcp-agent","name":"mcp-agent","tagline":"Apache-2.0 MCP-as-runtime + durable Temporal workflows (LastMile)","category":"agents","url":"https://docs.mcp-agent.com","github":"https://github.com/lastmile-ai/mcp-agent","pricing":"open-source","hook":"mcp-agent treats MCP as the agent runtime — compose servers, patterns, and durable Temporal workflows in one framework.","whatsGood":"Apache-2.0 (lastmile-ai/mcp-agent). Purpose-built for Model Context Protocol: connect MCP tools/resources/prompts, Anthropic-style composable workflow patterns, and optional Temporal durability for pause/resume/recover. CLI (`uvx mcp-agent`), docs at docs.mcp-agent.com. Self-host the stack; deploy path exists when you want it.","theCatch":"Vs FastMCP (build MCP servers), Agno/VoltAgent/AG2 (general agent frameworks), and SuperGateway/mcp-remote (transport glue): mcp-agent is MCP-first agent runtime + durable workflows, not a coding CLI and not transport plumbing. LastMile cloud deploy/login is optional — day-one is OSS you run. Temporal ops are yours if you turn durability on.","verdict":"Apache-2.0 MCP-native agent runtime. Compose MCP + Temporal; cloud is optional.","addedAt":"2026-09-15","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","self-host","permissive","workflows","stale"],"capabilities":["mcp","agents","workflows"],"surfaces":["MCP","Self-host"],"ecosystem":["Python"],"licenseModel":"Apache-2.0","githubStars":8571,"starsPerWeek":89,"access":"free","archived":false,"repo":{"createdAt":"2024-12-18","pushedAt":"2026-01-25","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/mcp-agent","html":"/gems/mcp-agent","markdown":"/gems/mcp-agent.md"}},{"slug":"mcp2cli","name":"mcp2cli","tagline":"MIT runtime MCP/OpenAPI/GraphQL→CLI — zero codegen","category":"agents","url":"https://github.com/knowsuchagency/mcp2cli","github":"https://github.com/knowsuchagency/mcp2cli","pricing":"open-source","hook":"mcp2cli turns any MCP server, OpenAPI spec, or GraphQL endpoint into shell commands at runtime — no codegen, fewer tool-schema tokens.","whatsGood":"MIT (knowsuchagency/mcp2cli; PyPI mcp2cli). `--mcp` / `--spec` / `--graphql` discover tools and expose them as CLI subcommands. OAuth/PKCE and auth headers across modes. Aimed at agents that shell out instead of stuffing full MCP schemas into every turn.","theCatch":"Vs SuperGateway / mcp-remote (transport bridges) and MCP Inspector (debug UI): mcp2cli is a runtime CLI façade for APIs/MCP, not a gateway product and not an inspector. GraphQL mode needs introspection. You still trust whatever endpoint you point it at.","verdict":"MIT MCP/OpenAPI/GraphQL CLI wrapper. Shell tools without shipping schemas every turn.","addedAt":"2026-09-15","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","cli","api","self-host","permissive","active"],"capabilities":["mcp","cli","openapi"],"surfaces":["MCP","CLI","API","Self-host"],"ecosystem":["Python"],"licenseModel":"OSS/MIT","githubStars":2418,"starsPerWeek":75,"access":"free","archived":false,"repo":{"createdAt":"2026-03-09","pushedAt":"2026-10-12","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/mcp2cli","html":"/gems/mcp2cli","markdown":"/gems/mcp2cli.md"}},{"slug":"mcp-use","name":"mcp-use","tagline":"MIT fullstack TypeScript MCP — servers, apps, clients, agents","category":"agents","url":"https://docs.mcp-use.com","github":"https://github.com/mcp-use/mcp-use","pricing":"open-source","hook":"mcp-use is the fullstack MCP framework: typed servers, MCP Apps/Views, clients, agents, and a built-in Inspector.","whatsGood":"MIT (mcp-use/mcp-use). TypeScript v2 line on the official MCP SDK: scaffold with create-mcp-use-app, React Views for ChatGPT/Claude connectors, @mcp-use/client + @mcp-use/agent, Inspector for debug. Python sibling exists. Docs at docs.mcp-use.com.","theCatch":"Vs FastMCP (Python MCP framework), mcp-agent (MCP-as-runtime + Temporal), and Composio (managed tool/auth catalog): mcp-use is fullstack MCP app/server kit, not a multi-SaaS OAuth fabric. Manufact Free is an optional hosted/upsell path — core stays MIT you run yourself.","verdict":"MIT fullstack MCP kit. Build servers and Apps; Manufact is optional soft upsell.","addedAt":"2026-09-15","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","sdk","self-host","permissive","active"],"capabilities":["mcp","sdk","typescript"],"surfaces":["MCP","SDK","Self-host"],"ecosystem":["Node.js","Browser"],"licenseModel":"OSS/MIT","githubStars":10784,"starsPerWeek":132,"access":"free","archived":false,"repo":{"createdAt":"2025-03-28","pushedAt":"2026-10-18","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/mcp-use","html":"/gems/mcp-use","markdown":"/gems/mcp-use.md"}},{"slug":"rowboat","name":"Rowboat","tagline":"Apache-2.0 local-first AI coworker — knowledge graph + MCP","category":"agents","url":"https://www.rowboatlabs.com","github":"https://github.com/rowboatlabs/rowboat","pricing":"freemium","hook":"Rowboat is an Apache-2.0 local-first AI coworker that turns your work into an editable Markdown knowledge graph — with MCP tools and background agents.","whatsGood":"Apache-2.0 (rowboatlabs/rowboat). Desktop app for Mac/Windows/Linux. Indexes email/meetings/notes into linked Markdown; browser, code mode (Claude Code/Codex), meeting notes, scheduled background agents. MCP + optional Composio. Local models via Ollama/OpenAI-compatible endpoints. Data stays local as files you can read and delete.","theCatch":"Vs OpenClaw / Continue / Claude Code (coding seats) and Mem0/Letta (memory runtimes): Rowboat is a full coworker desktop with graph memory, not a library you embed. Hosted Starter/Pro plans are paid convenience; OSS/local path is the free forever bar. Shell access on your machine means trust boundaries matter.","verdict":"Apache-2.0 local AI coworker. Graph memory + MCP; paid cloud is optional.","addedAt":"2026-09-15","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"MCP","tags":["mcp","local-first","free-tier","permissive","active"],"capabilities":["mcp"],"surfaces":["MCP","Hosted"],"ecosystem":["Multi-platform"],"licenseModel":"Freemium","githubStars":18032,"starsPerWeek":196,"access":"free","archived":false,"repo":{"createdAt":"2025-01-13","pushedAt":"2026-10-16","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/rowboat","html":"/gems/rowboat","markdown":"/gems/rowboat.md"}},{"slug":"mcporter","name":"mcporter","tagline":"MIT MCP as CLI + generate-cli / emit-ts (OpenClaw)","category":"agents","url":"https://mcporter.sh","github":"https://github.com/openclaw/mcporter","pricing":"open-source","hook":"mcporter carries MCP tools into scripts and agents — call them as TypeScript APIs or package them as CLIs with generate-cli / emit-ts.","whatsGood":"MIT (openclaw/mcporter). npm `mcporter`. Masquerade MCP tools as simple TypeScript calls, or emit CLI wrappers so agents shell out instead of stuffing schemas every turn. Docs at mcporter.sh. Fits OpenClaw-shaped agent workflows and plain Node scripts alike.","theCatch":"Vs mcp2cli (runtime MCP/OpenAPI→CLI, zero codegen): mcporter leans generate-cli/emit-ts packaging and TS API shape — pick based on whether you want codegen’d CLIs vs pure runtime discovery. You still trust the MCP servers you wrap. Not an MCP transport gateway (see SuperGateway/mcp-remote).","verdict":"MIT MCP→CLI/TS kit. Generate or call; different shape than mcp2cli runtime façade.","addedAt":"2026-09-15","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","cli","self-host","permissive","active"],"capabilities":["mcp","cli","typescript"],"surfaces":["MCP","CLI","Self-host"],"ecosystem":["Node.js"],"licenseModel":"OSS/MIT","githubStars":5070,"starsPerWeek":102,"access":"free","archived":false,"repo":{"createdAt":"2025-11-05","pushedAt":"2026-10-19","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/mcporter","html":"/gems/mcporter","markdown":"/gems/mcporter.md"}},{"slug":"mcpjam","name":"MCPJam","tagline":"OSS MCP testing, debugging, and evals platform","category":"agents","url":"https://www.mcpjam.com","github":"https://github.com/MCPJam/inspector","pricing":"open-source","hook":"MCPJam is the MCP developer bench: chat, inspect, OAuth-debug, and eval servers the way real clients will call them.","whatsGood":"Apache-2.0 core (MCPJam/inspector) with CLI/SDK/inspector packages (`@mcpjam/inspector`). Local and hosted (app.mcpjam.com) paths for tool inspection, cross-client behavior checks, and CI-shaped gates. Docs at docs.mcpjam.com. ★~2.2k — the productized MCP test harness beyond a one-off poke UI.","theCatch":"Vs MCP Inspector (official MIT debugger): MCPJam is the broader test/eval platform with hosted gravity, not only the reference inspector. Some `/server/services` and evals paths are separately licensed proprietary portions — treat the free OSS inspector path as the bar, not every hosted feature.","verdict":"Apache-2.0 MCP test platform. Use for real-client MCP debugging/evals; watch the proprietary evals carve-out.","addedAt":"2026-09-18","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"MCP","tags":["mcp","self-host","permissive","license-unclear","evals","auth","testing","active"],"capabilities":["mcp"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"Apache-2.0","githubStars":2271,"starsPerWeek":31,"access":"free","archived":false,"repo":{"createdAt":"2025-05-23","pushedAt":"2026-10-19","license":"NOASSERTION","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/mcpjam","html":"/gems/mcpjam","markdown":"/gems/mcpjam.md"}},{"slug":"slayer","name":"SLayer","tagline":"MIT embeddable semantic layer for agents — MCP, SQL expressions, dbt/Cube import","category":"agents","url":"https://motley.ai/slayer","github":"https://github.com/MotleyAI/slayer","pricing":"open-source","hook":"SLayer is a semantic layer built for agent search→inspect→query — define metrics once, ask with expressions, expose MCP/REST/CLI/Flight SQL without forcing classic BI pre-aggregations.","whatsGood":"MIT (MotleyAI/slayer). uv-installable Python library and standalone tool with MCP, REST, CLI, Flight SQL, and a Postgres-shaped SQL facade. Expression queries (sum/avg/ratios/time_shift) plus memory/search for business context. Imports dbt, Cube, and Ossie configs so you can sit beside an existing warehouse stack instead of replacing it.","theCatch":"Vs warehouse/BI tools and raw SQL MCP: SLayer is the metric/expression layer agents query, not a database or a full BI product. You still own warehouse credentials, row-level security design, and whether definitions stay truthful. Young Motley surface — verify connectors for your engine before betting a production agent on it.","verdict":"OSS semantic layer for agentic analytics. Expressions + MCP over your warehouse; not another vector RAG pack.","addedAt":"2026-09-19","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"MCP","tags":["mcp","cli","api","self-host","permissive","observability","active"],"capabilities":["mcp","cli"],"surfaces":["MCP","CLI","API","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":303,"starsPerWeek":10,"access":"free","archived":false,"repo":{"createdAt":"2026-03-17","pushedAt":"2026-10-17","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/slayer","html":"/gems/slayer","markdown":"/gems/slayer.md"}},{"slug":"pageindex-mcp","name":"PageIndex MCP","tagline":"Vectorless tree-index RAG over long PDFs — freemium MCP for agents","category":"agents","url":"https://pageindex.ai/mcp","github":"https://github.com/VectifyAI/pageindex-mcp","pricing":"freemium","hook":"PageIndex MCP exposes vectorless, reasoning-based document trees to Claude/Cursor and other MCP clients — navigate long PDFs like a human using a book index, not top-k chunks.","whatsGood":"MIT MCP surface over PageIndex (VectifyAI/PageIndex also MIT). Hierarchical tree index + multi-step reasoning retrieval without a vector DB. Hosted MCP with API key or App OAuth; free allowance advertised at 1000 pages with unlimited conversations for the chat path. Fits agents that blow context on long PDFs.","theCatch":"Hosted MCP needs a PageIndex API key; self-host the core repo if you refuse the cloud. Vs Supermemory / Mem0 / classic vector RAG: this is document-tree reasoning retrieval, not long-term agent memory. Free page quota is a soft ceiling — verify current Dashboard limits before treating it as unlimited corpus ingest.","verdict":"Freemium vectorless PDF RAG via MCP. Tree search over long docs; not a general agent memory store.","addedAt":"2026-09-19","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"MCP","tags":["mcp","free-tier","permissive","rag","active"],"capabilities":["mcp"],"surfaces":["MCP","Hosted"],"ecosystem":["Multi-platform"],"licenseModel":"Freemium","githubStars":402,"starsPerWeek":7,"access":"free","archived":false,"repo":{"createdAt":"2025-08-25","pushedAt":"2026-07-25","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/pageindex-mcp","html":"/gems/pageindex-mcp","markdown":"/gems/pageindex-mcp.md"}},{"slug":"agent-native","name":"Agent Native","tagline":"Define an action once and expose it to agents and every UI surface","category":"agents","url":"https://agent-native.com","github":"https://github.com/BuilderIO/agent-native","pricing":"open-source","hook":"Agent Native makes an action the shared contract: define it once, then expose the same behavior to UI, tools, HTTP, MCP, A2A, and CLI callers.","whatsGood":"MIT (README and npm package). Builder.io's shared defineAction model keeps the action logic and its presentation surfaces connected instead of rebuilding the same capability for a button, an agent tool, an API route, an MCP server, an A2A endpoint, and a command line. That is a practical bridge between agent-native behavior and existing product interfaces.","theCatch":"Caveat: the repository has no root LICENSE file; the MIT claim is stated in the README and npm package, so confirm the artifact and version you ship. Vs CopilotKit, Mastra, and Rivet: Agent Native's wedge is the shared action contract across surfaces, not a complete agent runtime or orchestration platform. Distinct from Panel: this is a framework for exposing actions, not the youth workbench/product surface Panel would have been.","verdict":"MIT-by-README/npm action framework. Strong when one capability must serve agents and humans alike; verify the package license and bring your own runtime.","addedAt":"2026-09-21","featured":false,"domain":"AI Agents","subSpecialty":"Tooling","subcategory":"MCP","tags":["mcp","cli","api","self-host","active"],"capabilities":["actions","mcp","api"],"surfaces":["MCP","CLI","API","Self-host"],"ecosystem":["Node.js","Multi-platform"],"licenseModel":"MIT (README/npm only)","githubStars":7433,"starsPerWeek":235,"access":"free","archived":false,"repo":{"createdAt":"2026-03-12","pushedAt":"2026-10-19","license":null,"archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/agent-native","html":"/gems/agent-native","markdown":"/gems/agent-native.md"}},{"slug":"papergraph-mcp","name":"PaperGraph MCP","tagline":"Evidence-first math-paper reading maps for AI agents","category":"agents","url":"https://github.com/lotchuazzz-crypto/papergraph-mcp","github":"https://github.com/lotchuazzz-crypto/papergraph-mcp","pricing":"open-source","hook":"PaperGraph MCP turns arXiv/LaTeX/PDF math papers into local theorem-centered workspaces with source-backed proof and citation evidence.","whatsGood":"MIT (lotchuazzz-crypto/papergraph-mcp). Paper Map → proof/citation evidence → scholarly reference resolver → Markdown reading reports and bounded cross-paper expansion. Explicit about extraction limits: empty evidence is reported as extraction failure, not invented math. uvx install from pinned GitHub tags; stdio MCP for research agents.","theCatch":"Vs generic RAG over PDFs: PaperGraph is theorem/evidence workflow for math papers, not a general document Q&A store. Does not verify proofs or equate similarly worded theorems; paywalled refs stay blocked unless you supply local PDFs.","verdict":"MIT evidence-first math-paper MCP. Use when agents must cite source spans instead of guessing dependencies.","addedAt":"2026-09-21","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"MCP","tags":["mcp","self-host","permissive","active","young-repo"],"capabilities":["mcp"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":285,"starsPerWeek":42,"access":"free","archived":false,"repo":{"createdAt":"2026-09-02","pushedAt":"2026-10-18","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/papergraph-mcp","html":"/gems/papergraph-mcp","markdown":"/gems/papergraph-mcp.md"}},{"slug":"cloudflare-mcp","name":"Cloudflare MCP Servers","tagline":"Apache-2.0 official domain-specific Cloudflare MCP server suite","category":"agents","url":"https://github.com/cloudflare/mcp-server-cloudflare","github":"https://github.com/cloudflare/mcp-server-cloudflare","pricing":"open-source","hook":"Cloudflare MCP Servers are the official typed, domain-specific MCP endpoints for Cloudflare product areas agents can call directly.","whatsGood":"Apache-2.0 (cloudflare/mcp-server-cloudflare). Curated MCP servers for Cloudflare product domains (Workers, Observability, Browser Run, DNS Analytics, and related surfaces documented in-repo), distinct from the broader Code Mode server in cloudflare/mcp. First-party maintenance and *.mcp.cloudflare.com remote endpoints make this the sane default when an agent needs Cloudflare ops tools instead of a DIY OpenAPI wrap.","theCatch":"Vs GitHub MCP, SuperGateway/mcp-remote, and cloudflare/mcp Code Mode: this repo is Cloudflare domain-specific typed tools, not GitHub's official MCP, not transport glue, and not the broad code-execution Cloudflare API MCP. Cloudflare account auth and token scope are the blast radius — over-scoped API tokens let an agent mutate production DNS/Workers. Pick Code Mode vs domain servers based on whether you want broad API coverage or curated tools.","verdict":"Apache-2.0 official Cloudflare MCP suite. Use for product-scoped Cloudflare agent tools; scope tokens tightly.","addedAt":"2026-09-22","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"MCP","tags":["mcp","self-host","permissive","active"],"capabilities":["mcp"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"Apache-2.0","githubStars":4392,"starsPerWeek":44,"access":"free","archived":false,"repo":{"createdAt":"2024-11-27","pushedAt":"2026-10-09","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/cloudflare-mcp","html":"/gems/cloudflare-mcp","markdown":"/gems/cloudflare-mcp.md"}},{"slug":"treg","name":"treg","tagline":"Metered tool catalog and team vault for agent integrations","category":"agents","url":"https://github.com/superdesigndev/treg","github":"https://github.com/superdesigndev/treg","pricing":"source-available","hook":"treg gives agent teams a self-hostable catalog and vault for discovering, metering, and injecting the tools they actually use.","whatsGood":"Self-host free under Apache-2.0 plus Additional Terms (no competing hosted/managed/embedded service without written authorization) — source-available in practice, not a clean Apache grant. The catalog shape is the point: teams can publish integrations, track usage like a small OpenRouter-style meter, and keep shared credentials in one operational surface instead of scattering tool configuration across agent prompts. It is a practical bridge between a tool registry and the team vault an agent fleet needs.","theCatch":"Vs Composio and Smithery: treg is the self-hostable tool catalog and team-vault path, not a hosted connector marketplace or MCP registry alone. The Apache-2.0 license has additional terms — no competing hosted, managed, or embedded third-party service without prior written authorization — so it is not a clean “use the code anywhere” Apache grant. The curl|sh installer and credential injection deserve a disposable first run, pinned source, and narrowly scoped secrets.","verdict":"Self-host-free tool catalog with a serious license rider. Useful for a team that wants metering and vaulting; stop for legal review before embedding or offering it as a competing service.","addedAt":"2026-09-23","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","api","self-host","source-available","active","young-repo"],"capabilities":["mcp","api","auth"],"surfaces":["MCP","API","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"Apache-2.0+Terms","githubStars":5763,"starsPerWeek":418,"access":"free","archived":false,"repo":{"createdAt":"2026-07-15","pushedAt":"2026-10-19","license":"NOASSERTION","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/treg","html":"/gems/treg","markdown":"/gems/treg.md"}},{"slug":"equibles","name":"Equibles","tagline":"Self-hosted financial-data MCP — SEC, 13F, FRED, prices for agents","category":"agents","url":"https://equibles.com","github":"https://github.com/daniel3303/Equibles","pricing":"freemium","hook":"Equibles is a self-hosted financial-data MCP server: SEC filings, XBRL statements, 13F holdings, insider/congressional trades, FRED, and prices — 62 tools agents can query on your hardware.","whatsGood":"AGPL-3.0 core (daniel3303/Equibles) with Docker Compose. Same tool names on Equibles Cloud (mcp.equibles.com) with a free API key path (~100 req/day, no card) if you do not want to run scrapers. Aimed at agents, not a human Bloomberg UI.","theCatch":"Vs paid market-data SaaS and thin ticker MCPs: this is a self-hosted filings/indicators MCP with an optional Cloud upsell, not a real-time options desk out of the box. AGPL-3.0 copyleft on distributed modifications; self-host means you operate scrapers/storage. Cloud adds transcripts/options/screener beyond the OSS core.","verdict":"AGPL financial MCP when agents need SEC/FRED-class facts on your box (or the free Cloud key); not a substitute for a licensed real-time terminal.","addedAt":"2026-09-23","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"MCP","tags":["mcp","self-host","free-tier","copyleft","active"],"capabilities":["mcp"],"surfaces":["MCP","Self-host","Hosted"],"ecosystem":["Multi-platform"],"licenseModel":"Freemium","githubStars":235,"starsPerWeek":8,"access":"free","archived":false,"repo":{"createdAt":"2026-03-24","pushedAt":"2026-10-19","license":"AGPL-3.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/equibles","html":"/gems/equibles","markdown":"/gems/equibles.md"}},{"slug":"contextforge","name":"ContextForge","tagline":"Apache MCP+A2A+REST/gRPC→MCP gateway with governance + OTel","category":"agents","url":"https://github.com/IBM/mcp-context-forge","github":"https://github.com/IBM/mcp-context-forge","pricing":"open-source","hook":"ContextForge is IBM’s open MCP gateway: federate MCP, A2A, and REST/gRPC into one governed endpoint with discovery, plugins, and OpenTelemetry.","whatsGood":"Apache-2.0 (IBM/mcp-context-forge). Tools/Agent/API gateway surfaces, gRPC→MCP translation, 40+ plugins, OTel to Phoenix/Jaeger/Zipkin-class backends. PyPI (`mcp-contextforge-gateway`) and Docker/K8s deploy paths; runs as a compliant MCP server.","theCatch":"Vs SuperGateway and mcp-remote: ContextForge is a heavier self-host governance/observability gateway, not a thin MCP bridge. Vs Smithery: this is a self-host gate you operate, not a hosted MCP marketplace. Open-issue count is high for the maturity pitch; local/JWT setups need real secrets — do not ship example tokens.","verdict":"Apache MCP/A2A gateway when you need federation + governance + OTel on your own infra and will pay the ops cost; skip if you only needed a thin remote MCP shim.","addedAt":"2026-09-25","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","api","self-host","permissive","observability","active"],"capabilities":["mcp","gateway","otel"],"surfaces":["MCP","API","Self-host"],"ecosystem":["Python","Multi-platform"],"licenseModel":"Apache-2.0","githubStars":4650,"starsPerWeek":61,"access":"free","archived":false,"repo":{"createdAt":"2025-05-08","pushedAt":"2026-10-17","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/contextforge","html":"/gems/contextforge","markdown":"/gems/contextforge.md"}},{"slug":"mcp-registry","name":"MCP Registry","tagline":"Canonical protocol-org community MCP server registry","category":"agents","url":"https://registry.modelcontextprotocol.io","github":"https://github.com/modelcontextprotocol/registry","pricing":"open-source","hook":"The MCP Registry is the protocol org’s community “app store” for MCP servers: publish once, let clients discover the canonical list.","whatsGood":"Canonical modelcontextprotocol/registry with live API at registry.modelcontextprotocol.io and publish docs in-tree. Self-host path via compose for local/dev. The free bar is the open registry itself — not a freemium listing product.","theCatch":"Vs Smithery: this is the protocol-org community registry, not a hosted freemium marketplace/CLI product. LICENSE is mid MIT→Apache-2.0 transition (Apache body + MIT-holdout preamble); GitHub SPDX often shows NOASSERTION — redistribution diligence required during the mixed-license era. Still in preview / API-freeze posture; pin expectations before building a business on the API shape.","verdict":"Canonical community MCP registry when you want protocol-org discovery; treat the license transition and preview API as real compliance and product risk.","addedAt":"2026-09-25","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","self-host","permissive","license-unclear","active"],"capabilities":["mcp","registry","self-host"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"Apache-2.0","githubStars":7378,"starsPerWeek":83,"access":"free","archived":false,"repo":{"createdAt":"2025-02-05","pushedAt":"2026-10-14","license":"NOASSERTION","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/mcp-registry","html":"/gems/mcp-registry","markdown":"/gems/mcp-registry.md"}},{"slug":"emcee","name":"emcee","tagline":"MIT turn any OpenAPI into an MCP server for Claude and friends","category":"agents","url":"https://emcee.sh","github":"https://github.com/mattt/emcee","pricing":"open-source","hook":"emcee generates an MCP server from an OpenAPI spec so Claude Desktop and other MCP clients can call an existing HTTP API like a plugin — pass the OpenAPI URL and go.","whatsGood":"MIT (mattt/emcee). Homebrew tap, trivial Claude Desktop config (`emcee https://…/openapi.json`), docs/site at emcee.sh. Best when the API already has a decent OpenAPI and you do not want a hand-written MCP wrapper.","theCatch":"Vs mcp-use / Composio / Klavis: emcee is a thin OpenAPI→MCP generator, not a managed OAuth toolkit marketplace or fullstack MCP framework. Garbage OpenAPI → garbage tools; auth/scopes still need careful client config.","verdict":"MIT OpenAPI→MCP primitive when you already ship a clean spec and want Claude/MCP clients on it in minutes.","addedAt":"2026-09-25","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"MCP","tags":["mcp","api","desktop-app","self-host","permissive"],"capabilities":["mcp","api"],"surfaces":["MCP","API","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":332,"starsPerWeek":4,"access":"free","archived":false,"repo":{"createdAt":"2025-01-16","pushedAt":"2026-07-04","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/emcee","html":"/gems/emcee","markdown":"/gems/emcee.md"}},{"slug":"klavis","name":"Klavis","tagline":"Apache MCP integrations + Strata multi-tool server (hosted or self-host)","category":"agents","url":"https://www.klavis.ai/","github":"https://github.com/Klavis-AI/klavis","pricing":"freemium","hook":"Klavis is an MCP integration platform: hosted or self-host MCP servers plus Strata (one MCP that fans into many tools) so agents get reliable app tools without wiring each server by hand.","whatsGood":"Apache-2.0 (Klavis-AI/klavis). Strata via pipx (`strata-mcp`), Docker MCP images (e.g. ghcr.io/klavis-ai/…), Python/TS clients for hosted Strata/instances, plus MCP sandbox lane for training/RL. Self-host path exists beside Cloud.","theCatch":"Vs Composio and Smithery: Klavis is another freemium MCP integration/control plane — overlap is real; pick on Strata UX and self-host fit, not logo count. Hosted OAuth convenience is the monetization path; last core push ~2026-06 is cooler than the star count.","verdict":"Freemium Apache MCP integrations when Strata’s one-server multi-tool model beats wiring Composio/Smithery — self-host if you refuse another managed OAuth middleman.","addedAt":"2026-09-25","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"MCP","tags":["mcp","self-host","free-tier","permissive"],"capabilities":["mcp"],"surfaces":["MCP","Self-host","Hosted"],"ecosystem":["Multi-platform"],"licenseModel":"Freemium","githubStars":5814,"starsPerWeek":74,"access":"free","archived":false,"repo":{"createdAt":"2025-04-14","pushedAt":"2026-06-01","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/klavis","html":"/gems/klavis","markdown":"/gems/klavis.md"}},{"slug":"starnet","name":"StarNet","tagline":"MIT local-first pixel-art desktop station for real agent crews","category":"agents","url":"https://github.com/androoAGI/starnet","github":"https://github.com/androoAGI/starnet","pricing":"open-source","hook":"StarNet is a local-first desktop harness: a pixel-art station where agents do real model calls, tools, and MCP work — BYO keys, not a simulation.","whatsGood":"MIT (androoAGI/starnet; installs via androoAGI/starnet-releases). Free desktop builds for Windows/macOS; run-from-source path documented. Station layout maps to real capability grants — rooms, hallways, placed objects — with concurrent bounded agent runs and Telegram/Discord/Slack/Signal/Matrix wiring. ★533 on GitHub.","theCatch":"Vs OpenClaw / Multica: messaging employee or coding-agent issue board — StarNet is a visual station harness novelty. Linux has no public release build yet (Win/macOS only). Early release + installer supply-chain note on piped/download installs; treat heat as discovery until the harness loop proves out.","verdict":"MIT local-first station when you want a visual crew harness with real tools/MCP — skip if you need Linux public builds or a simpler CLI agent.","addedAt":"2026-09-26","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"MCP","tags":["mcp","desktop-app","self-host","local-first","permissive","active","young-repo"],"capabilities":["mcp"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":1523,"starsPerWeek":84,"access":"free","archived":false,"repo":{"createdAt":"2026-06-14","pushedAt":"2026-10-16","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/starnet","html":"/gems/starnet","markdown":"/gems/starnet.md"}},{"slug":"frontmcp","name":"FrontMCP","tagline":"Apache-2.0 TypeScript-first MCP server framework (decorators, DI, OAuth)","category":"agents","url":"https://docs.agentfront.dev/frontmcp","github":"https://github.com/agentfront/frontmcp","pricing":"open-source","hook":"FrontMCP is a TypeScript-first MCP server framework: decorators, DI, OAuth/JWKS, and Streamable HTTP so the same typed server runs locally and in production.","whatsGood":"Apache-2.0 (agentfront/frontmcp). Free via npm `@frontmcp/sdk` / `npx frontmcp create`. Batteries-included server framework — `@Tool`/`@Resource`/`@App`, sessions, auth, Streamable HTTP + SSE — not just protocol bindings. Docs at docs.agentfront.dev/frontmcp. ★146 on GitHub.","theCatch":"Young star count. Requires Node.js 24+. Vs FastMCP (Python) / official TS SDK: those are lighter protocol layers; FrontMCP is a batteries-included server framework, not an MCP host or agent runtime.","verdict":"Apache-2.0 TS MCP server framework when you want decorators/DI/OAuth out of the box — only if Node 24+ is fine and you are building servers, not hosting agents.","addedAt":"2026-09-26","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"MCP","tags":["mcp","api","sdk","self-host","local-first","permissive","auth","active"],"capabilities":["mcp"],"surfaces":["MCP","API","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"Apache-2.0","githubStars":146,"starsPerWeek":3,"access":"free","archived":false,"repo":{"createdAt":"2025-10-31","pushedAt":"2026-10-17","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/frontmcp","html":"/gems/frontmcp","markdown":"/gems/frontmcp.md"}},{"slug":"desktop-commander-mcp","name":"Desktop Commander MCP","tagline":"MIT MCP for terminal, files, and processes on your desktop host","category":"agents","url":"https://github.com/wonderwhy-er/DesktopCommanderMCP","github":"https://github.com/wonderwhy-er/DesktopCommanderMCP","pricing":"open-source","hook":"Desktop Commander MCP gives Claude (and other MCP clients) terminal control, filesystem search/edit, and process management on the host — beyond plain filesystem MCP.","whatsGood":"MIT (wonderwhy-er/DesktopCommanderMCP). Free via npm `@wonderwhy-er/desktop-commander`, npx, Smithery, or Docker isolation path. Extends MCP filesystem server with search/replace editing and long-running terminal commands. ★9753 on GitHub.","theCatch":"local blast radius: shell + files + processes on your machine. Remote MCP path (mcp.desktopcommander.app) expands the trust boundary further. Vs playwright-mcp / BrowserSkill: those are browser control; this is host OS control. Guardrails exist; it is not a sandbox unless you choose Docker.","verdict":"MIT host-OS MCP when agents need real terminal/file control — only with explicit trust boundaries; prefer Docker isolation or skip if browser MCP is enough.","addedAt":"2026-09-26","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"MCP","tags":["mcp","desktop-app","self-host","permissive","active"],"capabilities":["mcp"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":10097,"starsPerWeek":103,"access":"free","archived":false,"repo":{"createdAt":"2024-12-04","pushedAt":"2026-10-18","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/desktop-commander-mcp","html":"/gems/desktop-commander-mcp","markdown":"/gems/desktop-commander-mcp.md"}},{"slug":"mobile-mcp","name":"Mobile MCP","tagline":"Apache-2.0 native iOS+Android a11y-tree MCP (sim/emu/real)","category":"agents","url":"https://github.com/mobile-next/mobile-mcp","github":"https://github.com/mobile-next/mobile-mcp","pricing":"open-source","hook":"Mobile MCP is a Model Context Protocol server for native iOS and Android automation via the accessibility tree — simulators, emulators, and real devices, no cloud account required for the local path.","whatsGood":"Apache-2.0 (mobile-next/mobile-mcp). Local free via `npx -y @mobilenext/mobile-mcp@latest` against sim/emu/real devices. A11y-tree first (cheap structured snapshots), screenshot+coords fallback; works with Claude Code, Codex, Gemini, Copilot, Antigravity. ★7,454 on GitHub API 2026-09-27.","theCatch":"Vs Playwright MCP / Invisible Playwright MCP: those are desktop browser MCP; this is native mobile a11y-tree MCP. Vs ARTEMIS: Google Android NL+MCP automation — Mobile MCP is iOS+Android a11y MCP without the Android-only NL agent framing. Optional Mobile Next Cloud freemium is a separate hosted lane.","verdict":"Apache-2.0 mobile a11y MCP when agents must drive native iOS/Android locally — not a browser Playwright MCP and not Android-only ARTEMIS.","addedAt":"2026-09-27","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","self-host","permissive","active"],"capabilities":["mcp","mobile","a11y"],"surfaces":["MCP","Self-host"],"ecosystem":["Node.js","Multi-platform"],"licenseModel":"Apache-2.0","githubStars":9748,"starsPerWeek":120,"access":"free","archived":false,"repo":{"createdAt":"2025-03-28","pushedAt":"2026-10-18","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/mobile-mcp","html":"/gems/mobile-mcp","markdown":"/gems/mobile-mcp.md"}},{"slug":"metamcp","name":"MetaMCP","tagline":"MIT self-host MCP aggregator + middleware + inspector (one endpoint)","category":"agents","url":"https://docs.metamcp.com","github":"https://github.com/metatool-ai/metamcp","pricing":"open-source","hook":"MetaMCP is a self-host MCP aggregator, middleware, and inspector — remix many MCP servers into one namespaced SSE/HTTP endpoint any MCP client can plug into.","whatsGood":"MIT (metatool-ai/metamcp). Free via `docker compose up -d` + GHCR image. Namespaces, middleware, tool overrides, and an inspector so one MetaMCP endpoint stands in for a fleet of MCP servers. Docs at docs.metamcp.com. ★2,687 on GitHub API 2026-09-27.","theCatch":"Vs MCP Registry: listing/discovery, not an aggregator runtime. Vs ContextForge: protocol gateway + A2A/OTel plane. Vs Klavis: freemium integrations/Strata. Vs Smithery: hosted marketplace. Vs SuperGateway: transport stdio↔SSE only. Soft maintainer capacity thin — last push 2026-06-22; default branch is `ai-dev` (caution); author says core still works / will keep merging PRs — shippable with eyes open.","verdict":"MIT self-host MCP aggregator when one namespaced endpoint beats wiring every server — only with eyes open on thin maintainer capacity and the `ai-dev` default branch.","addedAt":"2026-09-27","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","api","self-host","permissive"],"capabilities":["mcp","aggregator","gateway"],"surfaces":["MCP","API","Self-host"],"ecosystem":["Node.js","Multi-platform"],"licenseModel":"OSS/MIT","githubStars":2713,"starsPerWeek":30,"access":"free","archived":false,"repo":{"createdAt":"2025-01-22","pushedAt":"2026-06-22","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/metamcp","html":"/gems/metamcp","markdown":"/gems/metamcp.md"}},{"slug":"coding-tools-mcp","name":"Coding Tools MCP","tagline":"Apache-2.0 model-neutral 18-tool coding runtime over MCP","category":"agents","url":"https://github.com/xyTom/coding-tools-mcp","github":"https://github.com/xyTom/coding-tools-mcp","pricing":"open-source","hook":"Coding Tools MCP gives any MCP chat client a safe pair of hands on a codebase — files, structured patches, interactive sessions, and git — confined to one workspace with permission modes and Linux Landlock.","whatsGood":"Apache-2.0 (xyTom/coding-tools-mcp; NOTICE = attribution only). Free via `uvx coding-tools-mcp --stdio --workspace …`, npx, or PyPI. Model-neutral default catalog of 18 tools (patches, PTY sessions, git) any MCP client can drive — Claude Desktop/Code, Codex, Cursor, Cline, VS Code, Windsurf, Gemini CLI. ★1,158 on GitHub 2026-09-28.","theCatch":"Vs Desktop Commander MCP: that is desktop-host terminal/files/processes; this is the chat-client→coding-agent hands layer (patches, interactive sessions, git) for any MCP client. Mid-★ (~1158) kept as Agents/MCP fill — Landlock is Linux-only; use Docker/VM for untrusted work.","verdict":"Apache-2.0 coding-runtime MCP when chat clients need workspace-jailed hands — not Desktop Commander host OS control; mid-★ Agents/MCP fill.","addedAt":"2026-09-28","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","self-host","permissive","coding-agents","git","active","young-repo"],"capabilities":["mcp","coding","sandbox"],"surfaces":["MCP","Self-host"],"ecosystem":["Python","Multi-platform"],"licenseModel":"Apache-2.0","githubStars":1203,"starsPerWeek":56,"access":"free","archived":false,"repo":{"createdAt":"2026-05-21","pushedAt":"2026-10-17","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/coding-tools-mcp","html":"/gems/coding-tools-mcp","markdown":"/gems/coding-tools-mcp.md"}},{"slug":"gemini-notebook-mcp-cli","name":"Gemini Notebook MCP CLI","tagline":"MIT CLI+MCP for Gemini Notebook (NotebookLM) — uv/PyPI free path","category":"agents","url":"https://github.com/jacob-bd/gemini-notebook-mcp-cli","github":"https://github.com/jacob-bd/gemini-notebook-mcp-cli","pricing":"open-source","hook":"gemini-notebook-mcp-cli gives agents and shells programmatic access to Gemini Notebook (formerly NotebookLM) via `nlm` CLI and an MCP server — install once, connect many tools.","whatsGood":"MIT (jacob-bd/gemini-notebook-mcp-cli). Free via `uv tool install notebooklm-mcp-cli` (PyPI package ships CLI + MCP). `nlm login` uses Google account sign-in for the NotebookLM product; `nlm setup` wires detected AI tools and optional skill packs. Consumer accounts are the tested path; ★6,179 treated as real OK.","theCatch":"Vs google-workspace-cli (`gws`): that is first-party Drive/Gmail/Calendar/Admin Workspace CLI+skills; this is NotebookLM/Gemini Notebook notebooks via MCP/CLI. Undocumented internal APIs that can change, plus cookie extraction from the browser for auth — personal/experimental risk, not a paid CLI wall. Enterprise Notebook host support is experimental.","verdict":"MIT NotebookLM MCP/CLI when agents must drive Gemini Notebook — Google login is product auth; soft on internal APIs/cookies vs Workspace CLI.","addedAt":"2026-09-29","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","cli","self-host","permissive","active"],"capabilities":["mcp","cli","notebooklm"],"surfaces":["MCP","CLI","Self-host"],"ecosystem":["Python","Multi-platform"],"licenseModel":"OSS/MIT","githubStars":6341,"starsPerWeek":148,"access":"free","archived":false,"repo":{"createdAt":"2025-12-23","pushedAt":"2026-10-17","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/gemini-notebook-mcp-cli","html":"/gems/gemini-notebook-mcp-cli","markdown":"/gems/gemini-notebook-mcp-cli.md"}},{"slug":"dbx","name":"DBX","tagline":"Apache-2.0 agent-facing multi-engine DB client — MCP + CLI + Docker","category":"agents","url":"https://github.com/t8y2/dbx","github":"https://github.com/t8y2/dbx","pricing":"open-source","hook":"DBX is a lightweight multi-engine database client that already speaks MCP — agents query the connections you configured, via CLI or Docker, without inventing another SQL gateway.","whatsGood":"Apache-2.0 (t8y2/dbx). ~20 MB client for 80+ engines (Postgres, MySQL, SQLite, Redis, MongoDB, DuckDB, …). Built-in MCP server, desktop, Docker Hub image, and npm `@dbx-app/cli` / `@dbx-app/mcp-server`. Surfaces: MCP + CLI. Connection allowlist and SQL safety modes aimed at agent use.","theCatch":"★22,325 in about 99 weeks (~225 a week), with 1,284 open issues: judge it on the MCP/CLI substance, not the star count. Vs Neon / hosted DuckDB: those are managed engines; DBX is the agent-facing multi-engine client that sits on connections you already have. MCP is a separate install from the desktop binary; some engines still need the DBX agent/JRE path.","verdict":"Apache multi-engine MCP/CLI client when agents must query many DBs you already run — not Neon/DuckDB hosting; distrust the ★ spike and the issue pile.","addedAt":"2026-09-30","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","cli","self-host","permissive","containers","active","young-repo","fast-stars"],"capabilities":["mcp","cli","database"],"surfaces":["MCP","CLI","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"Apache-2.0","githubStars":27177,"starsPerWeek":1096,"access":"free","archived":false,"repo":{"createdAt":"2026-04-29","pushedAt":"2026-10-19","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/dbx","html":"/gems/dbx","markdown":"/gems/dbx.md"}},{"slug":"agent-toolkit-for-aws","name":"Agent Toolkit for AWS","tagline":"Apache-2.0 Agents/MCP toolkit — plugins, skills, AWS CLI MCP proxy","category":"agents","url":"https://github.com/aws/agent-toolkit-for-aws","github":"https://github.com/aws/agent-toolkit-for-aws","pricing":"open-source","hook":"Agent Toolkit for AWS is AWS’s open Agents/MCP toolkit — plugins and `npx skills` plus `uvx mcp-proxy-for-aws-cli` so agents can drive AWS the way operators already do from the CLI.","whatsGood":"Apache-2.0 (aws/agent-toolkit-for-aws). NOTICE is Apache attribution only — not a proprietary wall. Surfaces: plugins / `npx skills` and `uvx mcp-proxy-for-aws-cli`. Live API calls need an AWS account (credentials/spend), which is not a license paywall for the toolkit itself.","theCatch":"★2767 in about 24 weeks (~115 a week): judge it on the MCP/skills substance, not the star count. Vs GitHub MCP / Cloudflare Agents MCP / Composio: those are GitHub-native MCP, CF Workers agent/MCP surfaces, or freemium multi-app toolkits — this catch is AWS-first Agents/MCP + CLI proxy from the aws org. Empty AWS creds = no live APIs; treat account/IAM as the real gate, not the Apache license.","verdict":"Apache AWS Agents/MCP when agents must speak AWS CLI/skills — not GitHub/CF/Composio MCP; treat the star spike with caution; bring IAM deliberately.","addedAt":"2026-10-01","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","cli","self-host","permissive","skills","active","young-repo"],"capabilities":["mcp","aws","skills"],"surfaces":["MCP","CLI","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"Apache-2.0","githubStars":2907,"starsPerWeek":113,"access":"free","archived":false,"repo":{"createdAt":"2026-04-23","pushedAt":"2026-10-16","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/agent-toolkit-for-aws","html":"/gems/agent-toolkit-for-aws","markdown":"/gems/agent-toolkit-for-aws.md"}},{"slug":"gitmcp","name":"GitMCP","tagline":"Apache remote MCP — any GitHub repo as live docs for agents","category":"agents","url":"https://gitmcp.io","github":"https://github.com/idosal/git-mcp","pricing":"open-source","hook":"GitMCP turns any GitHub repo or GitHub Pages site into a remote MCP docs hub — agents read current docs and code instead of inventing APIs from training cutoffs.","whatsGood":"Apache-2.0 (idosal/git-mcp). Free remote MCP at gitmcp.io/{owner}/{repo} (or owner.gitmcp.io/repo) plus a generic gitmcp.io/docs server. Designed so Cursor/Claude-class clients pull latest README/docs/code from source. PulseMCP top-pick badge; no install tax for the hosted path.","theCatch":"★8444 in about 79 weeks (~107 a week): judge it on the docs-MCP substance, not the star count. Vs github-mcp / context7 / mcp-remote: github-mcp is the official GitHub issues/PRs/code/workflows MCP; Context7 is library-docs retrieval; mcp-remote is a stdio↔OAuth remote shim — GitMCP’s catch is any-repo docs-as-MCP on gitmcp.io, not GitHub platform tools and not a transport proxy. Generic /docs mode must pick the right repo each turn; prefer pinned {owner}/{repo} URLs for security.","verdict":"Apache remote docs MCP when agents must stop hallucinating niche library APIs — not github-mcp platform tools, not Context7, not mcp-remote.","addedAt":"2026-10-01","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","self-host","permissive"],"capabilities":["mcp","docs","github"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"Apache-2.0","githubStars":8471,"starsPerWeek":104,"access":"free","archived":false,"repo":{"createdAt":"2025-03-29","pushedAt":"2026-05-08","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/gitmcp","html":"/gems/gitmcp","markdown":"/gems/gitmcp.md"}},{"slug":"figma-context-mcp","name":"Framelink Figma MCP","tagline":"MIT Figma-layout MCP for coding agents — npm figma-developer-mcp","category":"agents","url":"https://www.framelink.ai","github":"https://github.com/GLips/Figma-Context-MCP","pricing":"open-source","hook":"Framelink’s Figma Context MCP gives coding agents structured Figma layout data so one-shot UI implementation is grounded in the file, not a screenshot guess.","whatsGood":"MIT (GLips/Figma-Context-MCP). npm `figma-developer-mcp` (HTTP 200). MCP server aimed at Cursor/Claude-class coding agents that need frames, layout, and design tokens from Figma — not another design SaaS seat.","theCatch":"★15941 in about 85 weeks (~187 a week): judge it on the Figma→agent MCP loop, not the star count. Vs Figma (design tool) / playwright-mcp / chrome-devtools-mcp: Figma is the collaborative canvas; Playwright/DevTools are browser automation — this catch is Figma file context into the coding agent via MCP. Needs a Figma API key; design-file access and rate limits are the real gate, not the MIT license.","verdict":"MIT Figma-layout MCP when agents implement UI from real files — not Figma-the-product and not browser MCPs; bring an API key.","addedAt":"2026-10-01","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","self-host","permissive","coding-agents","active"],"capabilities":["mcp","figma","design-to-code"],"surfaces":["MCP","Self-host","Hosted"],"ecosystem":["Node.js","Multi-platform"],"licenseModel":"OSS/MIT","githubStars":16007,"starsPerWeek":183,"access":"free","archived":false,"repo":{"createdAt":"2025-02-13","pushedAt":"2026-10-16","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/figma-context-mcp","html":"/gems/figma-context-mcp","markdown":"/gems/figma-context-mcp.md"}},{"slug":"mobile-build-mcp","name":"Mobile Build MCP","tagline":"MIT Sentry MCP+CLI for iOS/macOS agent builds — npm mobilebuildmcp","category":"agents","url":"https://github.com/getsentry/MobileBuildMCP","github":"https://github.com/getsentry/MobileBuildMCP","pricing":"open-source","hook":"Mobile Build MCP is Sentry’s MIT MCP server and CLI so agents can drive iOS/macOS project builds instead of pasting xcodebuild logs by hand.","whatsGood":"MIT (getsentry/MobileBuildMCP). npm `mobilebuildmcp` (HTTP 200). MCP + CLI tools for agent use on iOS and macOS projects — CI-friendly badges, Node ≥18, Xcode 16 oriented. From the getsentry org without a license wall.","theCatch":"Vs mobile-mcp / chrome-devtools-mcp / playwright-mcp: mobile-mcp is Apache native iOS+Android a11y-tree control (sim/emu/real); DevTools/Playwright are browser — Mobile Build MCP’s catch is build/compile tooling for Apple projects, not UI automation. macOS + Xcode required; Android is out of scope; ★6448 is healthy but still early — pin a release before fleet install.","verdict":"MIT Apple build MCP when agents must compile iOS/macOS — not mobile-mcp a11y driving and not browser MCPs.","addedAt":"2026-10-01","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","cli","self-host","permissive","observability","active"],"capabilities":["mcp","mobile","builds"],"surfaces":["MCP","CLI","Self-host"],"ecosystem":["Node.js","Multi-platform"],"licenseModel":"OSS/MIT","githubStars":6488,"starsPerWeek":77,"access":"free","archived":false,"repo":{"createdAt":"2025-03-09","pushedAt":"2026-10-17","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/mobile-build-mcp","html":"/gems/mobile-build-mcp","markdown":"/gems/mobile-build-mcp.md"}},{"slug":"apify-mcp","name":"Apify MCP Server","tagline":"MIT Apify Store MCP — agents scrape via thousands of Actors","category":"agents","url":"https://mcp.apify.com","github":"https://github.com/apify/apify-mcp-server","pricing":"freemium","hook":"Apify’s MCP server lets agents pull structured data from the web through thousands of Apify Store Actors — hosted at mcp.apify.com or run locally via `@apify/actors-mcp-server`.","whatsGood":"MIT (apify/apify-mcp-server). npm `@apify/actors-mcp-server` (HTTP 200). Hosted Streamable HTTP MCP with OAuth for Claude/Cursor/VS Code-class clients; local stdio path for the same Actor toolkit. Covers social, search, maps, e-commerce, and generic site Actors without writing every scraper yourself.","theCatch":"Actor runs and Apify platform usage are billed — the MCP server is MIT, the data path is freemium/paid compute. Vs playwright-mcp / browser-use / firecrawl-class scrapers: those drive browsers or crawl APIs you own — Apify MCP’s catch is Store Actors as MCP tools. Legacy `/sse` endpoint removed — point clients at https://mcp.apify.com; pin which Actors agents may call.","verdict":"MIT Apify Store MCP when agents need Actor-scale scraping — not Playwright browser MCP alone; budget Apify compute, not just the license.","addedAt":"2026-10-02","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","local-first","free-tier","permissive","scraping","active"],"capabilities":["mcp","scraping","actors"],"surfaces":["MCP","Hosted"],"ecosystem":["Node.js","Multi-platform"],"licenseModel":"Freemium","githubStars":11917,"starsPerWeek":127,"access":"free","archived":false,"repo":{"createdAt":"2025-01-02","pushedAt":"2026-10-16","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/apify-mcp","html":"/gems/apify-mcp","markdown":"/gems/apify-mcp.md"}},{"slug":"geo-score","name":"geo-score","tagline":"MIT free AIV readiness score + MCP — cite-ability without a paywall","category":"agents","url":"https://github.com/jianruntech/geo-score","github":"https://github.com/jianruntech/geo-score","pricing":"open-source","hook":"geo-score answers “can AI engines cite this site?” with a free 0–100 readiness score from one command — then optional Ask/Watch tiers that spend only the provider keys you bring.","whatsGood":"MIT (jianruntech/geo-score). PyPI `geo-score` v1.6.0 (HTTP 200). Score path is stdlib Python, no API key, no install required for the raw CLI; MCP via `uvx geo-score@1.6.0 mcp` (score free; `--read-only` for spend-safe). Claude Code skill + open rubric v1.1. Leaderboard at jianruntech.com. ★~619.","theCatch":"Spend: `ask` and `run`/`Watch` call AI engines with YOUR keys — Score is free, citation checks are not. Vs firecrawl / open-seo-class hosted SEO tools: Firecrawl is crawl→markdown; open-seo leans on a hosted path — geo-score’s catch is an open AIV readiness rubric + local MCP with a zero-key Score tier. Rubric is readiness, not a guarantee engines will cite you.","verdict":"MIT GEO/AIV score+MCP when you need a free cite-ability bar before paying for Ask/Watch — not Firecrawl crawl; bring keys only for engine asks.","addedAt":"2026-10-04","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"MCP","tags":["mcp","self-host","permissive","active","young-repo"],"capabilities":["mcp"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":320,"starsPerWeek":54,"access":"free","archived":false,"repo":{"createdAt":"2026-09-08","pushedAt":"2026-10-17","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/geo-score","html":"/gems/geo-score","markdown":"/gems/geo-score.md"}},{"slug":"qanat","name":"Qanat","tagline":"MIT MCP for quant factor processing and backtesting","category":"agents","url":"https://github.com/fidetolabs/qanat","github":"https://github.com/fidetolabs/qanat","pricing":"open-source","hook":"Qanat is a MIT data platform for quant factors — YAML in, process/store/replay history, serve results to your agent over MCP so research stays askable instead of notebook-only.","whatsGood":"MIT (fidetolabs/qanat). PyPI `qanat-fdtl` v0.3.0 (HTTP 200). `uv tool install qanat-fdtl` then `qanat init --demo` builds synthetic strategies with no network/key; `qanat mcp` for Claude Code and other clients; optional Streamable HTTP. Aimed at daily/weekly rebalance horizons. ★~287.","theCatch":"Beta quant niche — not a general agent framework. Your real market data sources may need keys/network even though Qanat itself makes no calls. Vs generic data MCP / notebook stacks: catch is factor pipeline + backtest priced after fees, exposed only through MCP. Pin PyPI; demo data is synthetic.","verdict":"MIT quant factor MCP when agents should operate a backtest store — not a general RAG/data MCP; bring your own market sources beyond demo.","addedAt":"2026-10-04","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"MCP","tags":["mcp","self-host","permissive","active","young-repo"],"capabilities":["mcp"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":315,"starsPerWeek":49,"access":"free","archived":false,"repo":{"createdAt":"2026-09-05","pushedAt":"2026-10-19","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/qanat","html":"/gems/qanat","markdown":"/gems/qanat.md"}},{"slug":"rea","name":"REA","tagline":"MIT MCP server for agent-driven reverse engineering — binaries, Electron apps, .NET, websites","category":"agents","url":"https://morluto.github.io/rea/","github":"https://github.com/morluto/rea","pricing":"open-source","hook":"REA (Reverse Engineer Anything) gives your coding agent one MCP server for inspecting software without its source — native binaries, JavaScript/Electron apps, .NET assemblies, APKs, firmware, and websites — and returns findings with the evidence and unknowns behind each claim.","whatsGood":"MIT (morluto/rea), npm `rea-agents` 5.0.0 (2026-10-07). `npx rea-agents setup` registers the MCP server and matching workflow instructions for Claude Code, Codex, Cursor, Gemini CLI and others, with backups of existing config. Same workflows as a CLI (`rea analyze-javascript-application <dir> --json`). Static JavaScript and .NET inspection need no extra engine; native analysis drives an existing Hopper, Ghidra, or IDA install. Analysis runs locally. ★~16.8k.","theCatch":"Native depth is only as good as the engine behind it: Hopper is commercial (demo mode otherwise), IDA is commercial, Ghidra is free but heavy, and Windows Ghidra support is marked experimental. Needs Node.js 22.19+; APK and firmware paths want JADX/JDK or Binwalk/Unblob on Linux or macOS. The pitch is “see a feature you like, build a version” — many app licenses forbid reverse engineering, and the project itself says you are responsible for authorization and the law. Releases move fast; keep it updated.","verdict":"MIT reverse-engineering MCP when your agent must understand software you have no source for — bring Ghidra or a paid engine for native work, and check the target’s license first.","addedAt":"2026-10-08","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","desktop-app","self-host","local-first","permissive","coding-agents","active","fast-stars"],"capabilities":["reverse-engineering","mcp","binaries"],"surfaces":["MCP","Self-host"],"ecosystem":["Node.js"],"licenseModel":"OSS/MIT","githubStars":325653,"starsPerWeek":12088,"access":"free","archived":false,"repo":{"createdAt":"2026-04-14","pushedAt":"2026-10-19","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/rea","html":"/gems/rea","markdown":"/gems/rea.md"}},{"slug":"toolhive","name":"ToolHive","tagline":"Apache-2.0 MCP server runner + gateway — each server in its own container","category":"agents","url":"https://docs.stacklok.com/toolhive/","github":"https://github.com/stacklok/toolhive","pricing":"open-source","hook":"ToolHive runs MCP servers the boring, safe way: each server in its own container with least-privilege defaults, discovered from a registry and wired into your clients — from a desktop app, a CLI, or a Kubernetes operator.","whatsGood":"Apache-2.0 (stacklok/toolhive), v0.51.4. Desktop app, `thv` CLI, and Kubernetes operator share one model: a curated registry, per-server containers, secret handling, and client auto-config. The operator adds declarative policy, IdP integration, and OpenTelemetry traces. Self-hostable registry and gateway for teams that cannot send MCP traffic through a SaaS. ★~2.3k.","theCatch":"Every MCP server runs in its own container, so you need Docker or Podman even on a laptop. Identity and access policies only apply once you connect an OIDC/OAuth provider — out of the box it is isolation, not authorization. Stacklok sells an enterprise tier on top. Vs metamcp (aggregator/proxy that merges servers into one endpoint) and contextforge (gateway/federation): ToolHive’s lane is per-server container isolation plus a registry.","verdict":"Apache-2.0 container-isolated MCP runner when you want every server sandboxed and auditable — bring Docker/Podman and an IdP for real policy.","addedAt":"2026-10-09","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","cli","desktop-app","self-host","permissive","kubernetes","containers","active"],"capabilities":["mcp","containers","registry"],"surfaces":["MCP","CLI","Self-host","Hosted"],"ecosystem":["Go","Multi-platform"],"licenseModel":"Apache-2.0","githubStars":2295,"starsPerWeek":27,"access":"free","archived":false,"repo":{"createdAt":"2025-03-12","pushedAt":"2026-10-19","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/toolhive","html":"/gems/toolhive","markdown":"/gems/toolhive.md"}},{"slug":"mcp-grafana","name":"Grafana MCP server","tagline":"Apache-2.0 MCP server from Grafana Labs for dashboards, datasources, alerts and incidents","category":"agents","url":"https://github.com/grafana/mcp-grafana","github":"https://github.com/grafana/mcp-grafana","pricing":"open-source","hook":"mcp-grafana lets an MCP client search dashboards, query Prometheus and Loki, read alert rules and work incidents in your Grafana — so the agent investigating an outage can look at the same panels you would.","whatsGood":"Apache-2.0, maintained by Grafana Labs, release v2.0.2. `uvx mcp-grafana` with `GRAFANA_URL` (plus a service account token) gets you running; a Docker image, a standalone binary and a Helm chart cover the other setups. Works against self-hosted Grafana or Grafana Cloud. ★~3.5k.","theCatch":"Needs Grafana 9.0 or newer. Several tool groups — panel queries, SQL datasources, InfluxDB, CloudWatch and more — stay off until you turn them on with `--enabled-tools`, so check the list before assuming the agent can see a datasource. Updating a dashboard means sending its full JSON, which eats a lot of agent context on big dashboards. Vs grafana (the dashboards themselves) and opensre (an agent that runs incident investigations end to end): this is the plain bridge that gives any agent read and write access to Grafana.","verdict":"The official way to put Grafana in an agent’s hands — enable only the tool groups you need and keep dashboard edits small.","addedAt":"2026-10-10","featured":false,"domain":"Observability","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","self-host","permissive","observability","active"],"capabilities":["mcp","dashboards","alerts"],"surfaces":["MCP","Self-host"],"ecosystem":["Go"],"licenseModel":"Apache-2.0","githubStars":3571,"starsPerWeek":38,"access":"free","archived":false,"repo":{"createdAt":"2024-12-24","pushedAt":"2026-10-19","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/mcp-grafana","html":"/gems/mcp-grafana","markdown":"/gems/mcp-grafana.md"}},{"slug":"mcp-toolbox","name":"MCP Toolbox for Databases","tagline":"Apache-2.0 Google MCP server for databases","category":"agents","url":"https://github.com/googleapis/mcp-toolbox","github":"https://github.com/googleapis/mcp-toolbox","pricing":"open-source","hook":"MCP Toolbox for Databases (formerly genai-toolbox) gives an agent safe, named database tools — you define the queries once and the server handles connection pooling, auth and observability.","whatsGood":"Apache-2.0, from Google (googleapis/mcp-toolbox), release v1.14.0. Prebuilt generic tools such as list_tables and execute_sql get an MCP client talking to a database in minutes; for production you define your own parameterised SQL tools in tools.yaml. Works with Postgres, MySQL and many more, plus Google Cloud databases. ★~16.6k.","theCatch":"You write and maintain your SQL tools yourself in tools.yaml — the server does not invent safe queries for you. The prebuilt tool sets mostly target Google databases (AlloyDB, Cloud SQL, BigQuery, Spanner and friends); other engines get the generic tools. Renamed from genai-toolbox, so older guides use the old name.","verdict":"The Google-backed way to give agents database access through queries you control — budget time for writing tools.yaml.","addedAt":"2026-10-12","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","self-host","permissive","auth","observability","active"],"capabilities":["mcp","auth"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"Apache-2.0","githubStars":16679,"starsPerWeek":135,"access":"free","archived":false,"repo":{"createdAt":"2024-06-07","pushedAt":"2026-10-17","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/mcp-toolbox","html":"/gems/mcp-toolbox","markdown":"/gems/mcp-toolbox.md"}},{"slug":"aws-mcp","name":"AWS MCP Servers","tagline":"Apache-2.0 AWS Labs MCP servers for AWS services","category":"agents","url":"https://awslabs.github.io/mcp/","github":"https://github.com/awslabs/mcp","pricing":"open-source","hook":"awslabs/mcp is the AWS Labs collection of service-specific MCP servers — documentation, CDK, Lambda, DynamoDB, cost analysis and many more — each one installable on its own.","whatsGood":"Apache-2.0 (awslabs/mcp), with frequent dated releases. Pick only the servers you need, run them with uvx or Docker, and they use your normal AWS credentials and IAM permissions. The documentation server alone helps any agent writing AWS code.","theCatch":"It is a monorepo where each server is installed and configured separately, so wiring up several means several entries in your MCP config. AWS bills normally for whatever the tools do — an agent that creates resources creates real charges. Vs agent-toolkit-for-aws (plugins, skills and a single AWS CLI MCP proxy in one package): this is the catalogue of individual, service-specific servers.","verdict":"The official AWS MCP catalogue — install only the servers you need and scope IAM tightly.","addedAt":"2026-10-12","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","self-host","permissive","active"],"capabilities":["mcp"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"Apache-2.0","githubStars":9793,"starsPerWeek":119,"access":"free","archived":false,"repo":{"createdAt":"2025-03-21","pushedAt":"2026-10-16","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/aws-mcp","html":"/gems/aws-mcp","markdown":"/gems/aws-mcp.md"}},{"slug":"microsoft-mcp","name":"Microsoft MCP","tagline":"MIT official Microsoft MCP servers, led by Azure","category":"agents","url":"https://github.com/microsoft/mcp","github":"https://github.com/microsoft/mcp","pricing":"open-source","hook":"microsoft/mcp is Microsoft’s home for official MCP servers, led by the Azure MCP Server, which lets an agent list and manage Azure resources, storage, databases and monitoring from one place.","whatsGood":"MIT (microsoft/mcp). One repo for Microsoft-maintained servers and templates, with packages on npm, NuGet and PyPI and VS Code integration. Uses your existing Azure identity, so access follows your role assignments.","theCatch":"Most servers need an Azure subscription or a sign-in to a Microsoft tenant before they do anything useful. Release tags are per package, so check which server a release belongs to.","verdict":"The official route to Azure from an agent — if you already live in Azure.","addedAt":"2026-10-12","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","self-host","permissive","active"],"capabilities":["mcp"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":3785,"starsPerWeek":47,"access":"free","archived":false,"repo":{"createdAt":"2025-04-09","pushedAt":"2026-10-19","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/microsoft-mcp","html":"/gems/microsoft-mcp","markdown":"/gems/microsoft-mcp.md"}},{"slug":"firecrawl-mcp","name":"Firecrawl MCP Server","tagline":"MIT official MCP server for Firecrawl scraping","category":"agents","url":"https://github.com/firecrawl/firecrawl-mcp-server","github":"https://github.com/firecrawl/firecrawl-mcp-server","pricing":"open-source","hook":"The Firecrawl MCP server gives an agent Firecrawl’s scraping tools — turn pages into clean markdown, search the web, parse files, crawl and map sites — through one MCP connection.","whatsGood":"MIT (firecrawl/firecrawl-mcp-server), release v3.2.1. Use the hosted endpoint or run `npx firecrawl-mcp` locally, optionally pointed at a self-hosted Firecrawl. A keyless hosted tier lets you try it with no account.","theCatch":"Without an API key only scrape, search and parse work, and they are rate-limited; crawl, map and agent need a key and paid credits. Vs firecrawl (the scraping engine and API itself, AGPL-3.0): this is just the MIT MCP bridge to it.","verdict":"The quickest way to put Firecrawl in an agent — try keyless, add a key once you need crawling.","addedAt":"2026-10-12","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","self-host","copyleft","scraping","active"],"capabilities":["mcp"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"AGPL-3.0","githubStars":7634,"starsPerWeek":78,"access":"free","archived":false,"repo":{"createdAt":"2024-12-06","pushedAt":"2026-10-19","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/firecrawl-mcp","html":"/gems/firecrawl-mcp","markdown":"/gems/firecrawl-mcp.md"}},{"slug":"supabase-mcp","name":"Supabase MCP Server","tagline":"Apache-2.0 official MCP server for Supabase","category":"agents","url":"https://supabase.com/docs/guides/getting-started/mcp","github":"https://github.com/supabase/mcp","pricing":"open-source","hook":"The Supabase MCP server lets an agent design tables, run SQL, apply migrations, read logs and manage branches in your Supabase project.","whatsGood":"Apache-2.0 (supabase/mcp), release mcp-server-supabase v0.13.0. Connect to the hosted endpoint at mcp.supabase.com and scope it to one project and chosen feature groups with URL options.","theCatch":"Write access is on by default — add read_only=true unless you really want the agent changing your database, and scope it to a development project. Self-hosted Supabase needs extra setup compared with the hosted endpoint. Vs supabase (the platform itself): this is the agent interface to it.","verdict":"The official Supabase bridge for agents — turn on read_only first.","addedAt":"2026-10-12","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","self-host","permissive","observability","active"],"capabilities":["mcp"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"Apache-2.0","githubStars":2961,"starsPerWeek":31,"access":"free","archived":false,"repo":{"createdAt":"2024-12-20","pushedAt":"2026-10-17","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/supabase-mcp","html":"/gems/supabase-mcp","markdown":"/gems/supabase-mcp.md"}},{"slug":"mongodb-mcp","name":"MongoDB MCP Server","tagline":"Apache-2.0 official MCP server for MongoDB","category":"agents","url":"https://github.com/mongodb-js/mongodb-mcp-server","github":"https://github.com/mongodb-js/mongodb-mcp-server","pricing":"open-source","hook":"The MongoDB MCP server lets an agent query collections, inspect schemas and indexes, and run aggregations against a MongoDB database.","whatsGood":"Apache-2.0 (mongodb-js/mongodb-mcp-server), release v3.0.5. Runs locally with npx or Docker against any MongoDB connection string, with a read-only mode for safer exploration.","theCatch":"For Atlas, the README points you to the MongoDB-hosted Atlas MCP server over OAuth instead; the local server is mainly for self-hosted MongoDB. Give it a read-only user unless the agent truly needs to write.","verdict":"The official way to let an agent explore a self-hosted MongoDB — use the hosted server for Atlas.","addedAt":"2026-10-12","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","self-host","local-first","permissive","active"],"capabilities":["mcp"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"Apache-2.0","githubStars":1144,"starsPerWeek":14,"access":"free","archived":false,"repo":{"createdAt":"2025-04-04","pushedAt":"2026-10-18","license":"Apache-2.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/mongodb-mcp","html":"/gems/mongodb-mcp","markdown":"/gems/mongodb-mcp.md"}},{"slug":"stripe-agent-toolkit","name":"Stripe AI","tagline":"MIT official Stripe toolkit and MCP server for agents","category":"agents","url":"https://docs.stripe.com/agents","github":"https://github.com/stripe/ai","pricing":"open-source","hook":"stripe/ai (formerly agent-toolkit) gives agents Stripe tools — create customers, products, payment links and invoices — through an MCP server or SDK integrations for frameworks such as the OpenAI Agents SDK and Vercel AI SDK.","whatsGood":"MIT (stripe/ai). Stripe also hosts a remote MCP server at mcp.stripe.com with OAuth, so you can connect without running anything. Restricted API keys limit which actions the agent can take.","theCatch":"Tool calls act on your real Stripe account, so start in test mode with a restricted key. There are no GitHub releases — track the npm and PyPI packages instead. Vs stripe-cli (a terminal tool for developers to forward webhooks and inspect events): this is the toolkit an agent uses to call the Stripe API.","verdict":"The official way to give an agent Stripe actions — test mode and restricted keys first.","addedAt":"2026-10-12","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","sdk","self-host","permissive","payments","active"],"capabilities":["mcp","sdk"],"surfaces":["MCP","SDK","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":1960,"starsPerWeek":19,"access":"free","archived":false,"repo":{"createdAt":"2024-11-11","pushedAt":"2026-10-19","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/stripe-agent-toolkit","html":"/gems/stripe-agent-toolkit","markdown":"/gems/stripe-agent-toolkit.md"}},{"slug":"exa-mcp","name":"Exa MCP Server","tagline":"MIT official MCP server for Exa web search","category":"agents","url":"https://github.com/exa-labs/exa-mcp-server","github":"https://github.com/exa-labs/exa-mcp-server","pricing":"open-source","hook":"The Exa MCP server gives an agent Exa’s AI search engine: web search that returns clean page content, page fetching, and optional advanced search and research agents.","whatsGood":"MIT (exa-labs/exa-mcp-server). Connect to the hosted endpoint or run it locally; default tools cover search and fetching pages as markdown, and more tools can be enabled per connection.","theCatch":"The hosted server works without a key but is rate-limited; higher limits and Exa Agent need an Exa API key or OAuth, and usage beyond that is paid. It searches and reads pages you point it at — for crawling whole sites, use a crawler such as Firecrawl. There are no GitHub releases.","verdict":"A clean search-and-read MCP for agents — get a key once you outgrow the anonymous limits.","addedAt":"2026-10-12","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","self-host","permissive","active"],"capabilities":["mcp"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":5137,"starsPerWeek":52,"access":"free","archived":false,"repo":{"createdAt":"2024-11-27","pushedAt":"2026-10-07","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/exa-mcp","html":"/gems/exa-mcp","markdown":"/gems/exa-mcp.md"}},{"slug":"mcp-python-sdk","name":"MCP Python SDK","tagline":"MIT official Python SDK for MCP servers and clients","category":"agents","url":"https://py.sdk.modelcontextprotocol.io","github":"https://github.com/modelcontextprotocol/python-sdk","pricing":"open-source","hook":"The MCP Python SDK is the official Python implementation of the Model Context Protocol: build MCP servers that expose tools, resources and prompts, or clients that connect to them.","whatsGood":"MIT (modelcontextprotocol/python-sdk), release v2.3.0 (2026-10-02), with commits daily. Maintained alongside the protocol spec, with a getting-started guide, API reference and v2 migration guide. Includes a high-level API for writing servers quickly. ★~24.6k.","theCatch":"It gained about 228 stars a week since September 2024, as the official SDK of a fast-moving protocol. Version 2 changed APIs, so check examples against the migration guide. The spec still moves quickly.","verdict":"The starting point for MCP work in Python.","addedAt":"2026-10-18","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"MCP","tags":["mcp","sdk","self-host","permissive","active"],"capabilities":["mcp","sdk"],"surfaces":["MCP","SDK","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":24613,"starsPerWeek":228,"access":"free","archived":false,"repo":{"createdAt":"2024-09-24","pushedAt":"2026-10-17","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/mcp-python-sdk","html":"/gems/mcp-python-sdk","markdown":"/gems/mcp-python-sdk.md"}},{"slug":"unity-mcp","name":"MCP for Unity","tagline":"MIT MCP server that lets AI assistants drive the Unity Editor","category":"agents","url":"https://coplaydev.github.io/unity-mcp/","github":"https://github.com/CoplayDev/unity-mcp","pricing":"open-source","hook":"MCP for Unity connects Claude, Codex, Cursor, VS Code, local models or any MCP client to a running Unity Editor, so an agent can create scenes and GameObjects, edit C# scripts, manage assets, run tests, profile and build.","whatsGood":"MIT (CoplayDev/unity-mcp), release v10.3.0 (2026-10-04). About 50 focused tool entry points grouped into toggleable sets (VFX, animation, UI, testing), Roslyn validation of generated scripts, multi-instance routing for several open editors, and an optional remote server with auth. Install is a Unity Package Manager git URL (or OpenUPM), then one menu item configures every detected client. Supports Unity 2021.3 LTS through 6.x. ★~15k.","theCatch":"Needs Python 3.10+ via uv alongside Unity. An agent with editor access can make a mess of a scene or project, so keep the project in version control and review changes. Maintained and sponsored by Aura, whose paid Unity/Unreal assistant is pitched in the README; the MCP server itself is free. Not affiliated with Unity Technologies.","verdict":"The most complete free bridge between coding agents and the Unity Editor — commit before you prompt.","addedAt":"2026-10-19","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"MCP","tags":["mcp","editor-plugin","self-host","permissive","coding-agents","local-llm","testing","graphics-3d","active"],"capabilities":["mcp"],"surfaces":["MCP","Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":15111,"starsPerWeek":182,"access":"free","archived":false,"repo":{"createdAt":"2025-03-18","pushedAt":"2026-10-19","license":"MIT","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/unity-mcp","html":"/gems/unity-mcp","markdown":"/gems/unity-mcp.md"}},{"slug":"smithery","name":"Smithery","tagline":"Freemium MCP registry, gateway, and hosting marketplace","category":"agents","url":"https://smithery.ai","github":"https://github.com/arcadeai-labs/smithery-cli","pricing":"freemium","hook":"Smithery is the MCP marketplace: discover servers, publish URLs/bundles, and optionally host or gateway them.","whatsGood":"Registry + docs at smithery.ai. Publish remote HTTPS MCP or local MCPB bundles; gateway proxies upstream; CLI (@smithery/cli / smithery-ai/cli) for publish/install flows. Speeds discovery versus hunting random GitHub READMEs.","theCatch":"Vs FastMCP (build servers) and mcp-inspector (debug): Smithery is distribution/hosting, not an SDK. Hosted registry is proprietary SaaS — supply-chain risk is real (past hosting incidents in the ecosystem). Prefer BYO HTTPS publish if you distrust hosted builds. Free discovery ≠ free infinite hosting.","verdict":"Freemium MCP registry/host. Discover fast; treat hosted builds as trust boundary.","addedAt":"2026-09-14","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","free-tier","copyleft"],"capabilities":["mcp","registry","hosting"],"surfaces":["MCP","Hosted"],"ecosystem":["Multi-platform"],"licenseModel":"Freemium","githubStars":843,"starsPerWeek":9,"access":"free-tier","archived":false,"repo":{"createdAt":"2024-12-22","pushedAt":"2026-05-31","license":"AGPL-3.0","archived":false,"checkedAt":"2026-10-19"},"links":{"self":"/api/gems/smithery","html":"/gems/smithery","markdown":"/gems/smithery.md"}}],"meta":{"total":51,"count":51,"offset":0,"limit":null,"sort":"curated","sorts":["curated","catalog","new","stars","trending","name"],"filters":{"subcategory":"mcp"},"next":null,"categories":["agents","nextjs","python","shopify","databases","devops","design","observability","rust","payments","comms","notifications","libraries"],"tags":["mcp","cli","tui","api","sdk","desktop-app","web-ui","editor-plugin","self-host","local-first","free-tier","paid-only","paid-led","permissive","copyleft","source-available","license-unclear","coding-agents","local-llm","rag","memory","evals","browser-automation","scraping","sandbox","skills","voice","security","auth","payments","realtime","postgres","vector","kubernetes","containers","observability","testing","workflows","graphics-3d","git","active","stale","archived","young-repo","fast-stars"]}}