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Updated Documentation for Claude Code and Cursor on the Latest Libraries
A CLI and MCP server which fetches up to date and versioned documentation on libraries for your AI code generator, so it doesn’t generate code calling deprecated APIs.
Context7 provides up to date and versioned documentation for libraries on demand for your AI code generating agent. Without Context7, your AI agent would be making code based on outdated training data that could be months or years behind, resulting in it using deprecated APIs or antiquated styles of programming. With Context7, when your agent asks questions about libraries, we fetch the latest docs from their source and insert them into the agent’s context window. Context7 can be used both as a CLI skill (no MCP needed!) and as an MCP server (for native MCP calls). Get a free API key from context7.com to raise your rate limit! Compatible Agents: Claude Code, Cursor, OpenCode.
Why a vibe-coder should care
Your AI code generators will experience less hallucinated APIs and ‘method not found’ errors on initial use. You won’t have to spend time debugging to find out the API code provided by the AI Agent is from an older version than you are using.
How to install
Copy this and send it to your agent — Claude Code, Codex, any of them:
Connect Context7 to my Claude Code: https://github.com/upstash/context7 — run npx ctx7 setup, choose Claude mode, show me the confirmation it's connected; if an API key is needed, tell me where to get one.
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