{"data":{"slug":"magentic-ui","name":"Magentic-UI","tagline":"MIT human-in-the-loop web agent from Microsoft Research","category":"agents","categoryName":"AI Agents","url":"https://github.com/microsoft/magentic-ui","github":"https://github.com/microsoft/magentic-ui","pricing":"open-source","hook":"Magentic-UI is Microsoft's human-in-the-loop web agent: it drafts a plan with you, then browses websites and runs code while you watch and approve the steps.","whatsGood":"MIT (microsoft/magentic-ui), release v0.2.1 (2026-05-21). ★~10.1k. Useful when you want a browsing agent you can steer and stop, for example to study how co-planning and step approval change what an agent does, rather than one that runs off on its own.","theCatch":"It is a research prototype, still pre-1.0, and the last commit on the default branch is 2026-07-23. Treat it as something to learn from and experiment with, not a maintained product.","verdict":"A good look at supervised web agents; do not build production on it.","addedAt":"2026-10-20","featured":false,"domain":"AI Agents","subSpecialty":"Agents","subcategory":"Browser Automation","tags":["self-host","permissive","active"],"capabilities":[],"surfaces":["Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":10097,"starsPerWeek":133,"access":"free","archived":false,"repo":{"createdAt":"2025-05-05","pushedAt":"2026-07-23","license":"MIT","archived":false,"checkedAt":"2026-10-20"}},"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/magentic-ui","html":"/gems/magentic-ui","markdown":"/gems/magentic-ui.md","category":"/api/gems?category=agents","categoryPage":"/stacks/agents"}}