context7

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Context7 MCP delivers up-to-date, version-specific code documentation into any AI prompt, eliminating the reliance on outdated or hallucinated code examples typically offered by LLMs. With versions available for multiple platforms and comprehensive troubleshooting support, Context7 streamlines coding with its on-demand, accurate documentation.

Context7 MCP - Up-to-date Code Docs For Any Prompt

Without Context7

  • Outdated LLM code examples
  • Hallucinated APIs
  • Generic answers for old packages

With Context7

  • Provides up-to-date, version-specific documentation and examples directly in your prompt
  • Requires adding use context7 to prompts in Cursor
  • Simplifies workflow by eliminating tab-switching and outdated generation issues

Getting Started

  • Requires Node.js >= v18.0.0 and a compatible MCP Client
  • Available for installation via Smithery, Cursor, Windsurf, VS Code, Zed, and others

Environment Variables

  • DEFAULT_MINIMUM_TOKENS: Minimum token count for documentation retrieval

Available Tools

  • resolve-library-id: Converts library names to Context7-compatible IDs
  • get-library-docs: Fetches library documentation by Context7 ID

Troubleshooting

  • Tips provided for resolving common errors like ERR_MODULE_NOT_FOUND and ESM resolution issues

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