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How to set up Context7 MCP so your agent uses current docs

Set up Context7 so the agent pulls current docs when you add use Context7 to a prompt.

Who it is forA developer whose agent keeps using deprecated Next.js or Supabase APIs.

The problemModel training data lags behind library releases.

The outcomeCode generated from current documentation.

What you need first

  • Node.js for npx
  • An MCP-capable coding agent such as Cursor or Claude Code

Steps

  1. Run npx ctx7 setup
  2. Restart your agent
  3. Add use Context7 to a prompt, for example a Next.js proxy request
  4. Check the code against the current docs

Prompt for your agent

With Context7 set up, ask: How do I set up a Next.js 16 proxy? use context7. Confirm the answer cites the current docs version.

Caveat. Docs coverage depends on what Context7 has indexed for each library.

Use this in your AI agent

Ask your agent

Using the Deduped MCP, get the setup steps for upstash/context7 and "Stop your agent coding against outdated library APIs"

Add Deduped to Claude Code once

claude mcp add --transport http deduped https://dedupedai.com/mcp

Cursor, ChatGPT, others

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