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Context7

Local or remoteMITUpdated on Nov 10, 202664,456GitHub starsNo API key needed

Context7 is Upstash's MCP server for giving a coding agent current library documentation instead of relying on what the model learned in training.

InstallRepository Checked on Nov 12, 2026

What it does

Context7 is Upstash's MCP server for giving a coding agent current library documentation instead of relying on what the model learned in training. It offers two tools: one maps a library name to a Context7 library ID, the other asks that library's indexed docs a focused question and returns matching text and code samples, with an optional language hint to rank examples. Most people connect to the hosted endpoint at mcp.context7.com/mcp, sending an API key as a bearer header; the same server can also run locally from the @upstash/context7-mcp npm package. A free key is optional and raises rate limits. The crawling and parsing backend is closed source.

Capabilities

  • Resolve a library or framework name to a Context7 library ID
  • Query a library's current documentation and code examples
  • Match documentation to a library version named in the prompt
  • Rank code examples by the programming language in use

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