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Context7: up-to-date library docs

MCP serverLow risk

submitted 2d ago by u/client to c/frontend · 0 uses

Pulls current, version-specific docs and code examples for thousands of libraries into your prompt, so the agent stops inventing old APIs.

By Upstash. Ask for a library and Context7 returns the relevant, current documentation snippets.

Tools: resolve-library-id, get-library-docs.
Tip: add "use context7" to your prompt, or put a rule in CLAUDE.md / AGENTS.md: "When you use a library API, check it with Context7 first."

Works without a key; an optional API key raises rate limits. Local alternative: npx -y @upstash/context7-mcp.

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Install this MCP server

Add to Cursor

Or add to .cursor/mcp.json (project) or ~/.cursor/mcp.json (everywhere)

{
  "mcpServers": {
    "context7": {
      "type": "http",
      "url": "https://mcp.context7.com/mcp"
    }
  }
}

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Context7: up-to-date library docs

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