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Context7

Gives Claude, ChatGPT, or Cursor up-to-date docs and code examples for the library version you use, so it stops suggesting old APIs. Free API key.

Editor's rating 4.4/5 A 63k-star docs connector for coding assistants that cuts out-of-date code suggestions with little setup.

Credit: Upstash, Context7

GitHub: upstash/context7 · 63,491 stars as of Oct 22, 2026

License: MIT

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