What Context7 does in Claude
Context7 is an MCP server that delivers up-to-date, version-specific documentation and code examples directly into your prompts. It solves a common problem with LLMs: outdated training data leading to hallucinated APIs and deprecated code patterns. Instead of relying on stale information, Context7 pulls current documentation straight from source repositories. The plugin provides two main tools: resolve-library-id for matching library names to Context7-compatible identifiers, and query-docs for retrieving documentation for specific libraries. You can even target specific versions by mentioning them in your prompt. How to use: Simply add "use context7" to any prompt where you need current documentation. For example: "Create a Next.js middleware that checks for a valid JWT in cookies. use context7" or "Configure a Cloudflare Worker script to cache JSON API responses. use context7". You can also specify exact libraries with "use library /supabase/supabase for API and docs".
How to add Context7 to Claude
- 1
In Claude Code, run
/pluginand open the Discover tab. - 2 Search for Context7 and choose Install. In Cowork, add it from the plugin directory.
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Questions people ask
What does the Context7 plugin do in Claude?
Context7 is an MCP server that delivers up-to-date, version-specific documentation and code examples directly into your prompts. It solves a common problem with LLMs: outdated training data leading to hallucinated APIs and deprecated code patterns. Instead of relying on stale information, Context7 pulls current documentation straight from source repositories. The plugin provides two main tools: resolve-library-id for matching library names to Context7-compatible identifiers, and query-docs for retrieving documentation for specific libraries. You can even target specific versions by mentioning them in your prompt. How to use: Simply add "use context7" to any prompt where you need current documentation. For example: "Create a Next.js middleware that checks for a valid JWT in cookies. use context7" or "Configure a Cloudflare Worker script to cache JSON API responses. use context7". You can also specify exact libraries with "use library /supabase/supabase for API and docs".
Is the Context7 plugin official?
It is made by Upstash. This site is independent and lists it from the official directory.