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CodeRabbit is an AI-powered code review tool that automatically reviews pull requests. By connecting Context7 as an MCP server, CodeRabbit can access up-to-date library documentation during reviews, helping it verify implementations against the latest API references and best practices.

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Setup

1

Navigate to MCP Servers

Go to your CodeRabbit dashboard and navigate to Integrations → MCP Servers.Integrations tab
2

Add Context7

Click the Add button next to Context7 MCP server.Add the following header for higher rate limits:
HeaderValue
CONTEXT7_API_KEYYour API key from the Context7 dashboard
{
  "CONTEXT7_API_KEY": "YOUR_API_KEY"
}
Add server modal
3

Connect

Click the Connect button to connect the server.Server connected
4

Enable for Public Repos

To use Context7 with public repositories, go to Organization Settings → Configuration → Knowledge Base. In the MCP section, select Enabled instead of Auto and click Apply Changes.Update MCP settings

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Usage Guidance

In the Usage Guidance field, you can instruct CodeRabbit on how to use Context7 during reviews. For example: 
Use Context7 to look up documentation for any libraries used in the code being reviewed.
Verify that API usage matches the latest documentation and flag any deprecated patterns.

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How It Works

Once connected, CodeRabbit will query Context7 for relevant library documentation when reviewing pull requests. This helps CodeRabbit:
  • Verify correct API usage against the latest documentation
  • Identify deprecated methods or patterns
  • Suggest improvements based on library best practices
  • Provide more accurate and informed review comments