Context7

service active freemium

A documentation retrieval service that provides AI coding assistants with up-to-date library and framework documentation. Context7 indexes official documentation and code examples from popular open-source projects, making them accessible to AI tools through an API. Helps AI assistants give accurate, current advice instead of relying on potentially outdated training data.

Implements

Concepts this tool claims to implement:

  • Retrieves relevant documentation snippets to augment AI assistant responses with accurate, current information.

  • Indexes and maintains a curated knowledge base of library documentation, examples, and best practices.

  • Tool Use secondary

    Exposed as MCP tools that AI assistants can call to retrieve documentation for specific libraries.

Integration Surfaces

  • MCP Server
  • REST API

Details

Vendor
Context7
License
Proprietary
Runs On
cloud
Used By
agent

Notes

Context7 addresses a key limitation of LLMs: training data cutoffs mean they may not know about recent library changes. By providing real-time documentation retrieval, it helps AI assistants stay current with rapidly evolving ecosystems.