{"data":{"slug":"copilotkit","name":"CopilotKit","tagline":"MIT agent-native UI layer — React copilots, AG-UI, MCP","category":"agents","categoryName":"AI Agents","url":"https://www.copilotkit.ai","github":"https://github.com/CopilotKit/CopilotKit","pricing":"freemium","hook":"CopilotKit is the MIT horizontal layer between your agents and users — generative UI, shared state, human-in-the-loop, MCP, and AG-UI.","whatsGood":"MIT core (CopilotKit/CopilotKit). React/Next first-class; Angular, Vue, React Native, Slack/Teams channels. Wire LangGraph, Mastra, Google ADK, Strands, OpenAI Agents SDK, and more. MCP client paths and MCP Apps. Docs at docs.copilotkit.ai. Self-host the OSS framework; Cloud Developer is a real free-forever single-dev tier with published caps.","theCatch":"Vs Vercel AI SDK (primitives) and Mastra/LangGraph (backend agent runtimes): CopilotKit is the user-facing agent UI/protocol layer, not the orchestration brain. Pro/Team Cloud and VPC are paid when you outgrow Developer free forever. Self-host keeps the MIT path.","verdict":"MIT agent UI layer. Self-host free; Cloud Developer free forever is real but capped.","addedAt":"2026-09-15","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"Agent Frameworks & SDKs","tags":["mcp","self-host","free-tier","permissive","active"],"capabilities":["mcp"],"surfaces":["MCP","Self-host","Hosted"],"ecosystem":["Multi-platform"],"licenseModel":"Freemium","githubStars":38099,"starsPerWeek":219,"access":"free","archived":false,"repo":{"createdAt":"2023-06-19","pushedAt":"2026-10-19","license":"MIT","archived":false,"checkedAt":"2026-10-19"}},"related":[{"slug":"claude-code","name":"Claude Code","tagline":"Terminal-first coding agent with deep repository context"},{"slug":"cursor","name":"Cursor","tagline":"The AI-first code editor that understands your codebase"},{"slug":"devin","name":"Devin","tagline":"Autonomous AI engineer for defined engineering tasks"},{"slug":"stagehand","name":"Stagehand","tagline":"AI-native browser automation that mixes code and natural language"},{"slug":"browser-use","name":"Browser Use","tagline":"Open-source framework for LLM-driven browser agents"}],"links":{"self":"/api/gems/copilotkit","html":"/gems/copilotkit","markdown":"/gems/copilotkit.md","category":"/api/gems?category=agents","categoryPage":"/stacks/agents"}}