Context7 Mcp

This pulls live documentation from Context7 instead of making Claude rely on potentially outdated training data. You'd use it whenever someone asks about library setup, API references, or code examples for frameworks like React, Next.js, Prisma, or Supabase. It works in two steps: first resolves which specific library and version the user is asking about, then fetches the relevant docs for that exact question. The version awareness is honestly the killer feature here since framework APIs change fast enough that training data gets stale quickly. It's essentially giving Claude a fresh reference manual instead of forcing it to remember everything from whenever it was last trained.

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skills.sh installs: 6.8K
GitHub stars: 64.4K
last updated: Aug 21, 2026

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Install

$ npx -y skills add upstash/context7 --skill context7-mcp --agent claude-code

Installs into .claude/skills of the current project.

Files

When the user asks about libraries, frameworks, or needs code examples, use Context7 to fetch current documentation instead of relying on training data.

When to Use This Skill

Activate this skill when the user:

Asks setup or configuration questions ("How do I configure a Next.js proxy?")
Requests code involving libraries ("Write a Prisma query for...")
Needs API references ("What are the Supabase auth methods?")
Needs an exact fact from a library's source: a default value, a signature, or where an error comes from
Mentions specific frameworks (React, Vue, Svelte, Express, Tailwind, etc.)

How to Fetch Documentation

Step 1: Resolve the Library ID

Call resolve-library-id with:

libraryName: The library name extracted from the user's question
query: What to look up in the library's documentation (improves relevance ranking)