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May 3, 2025
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Updated mcp tools doc #376

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21 changes: 21 additions & 0 deletions fern/tools/mcp.mdx
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Expand Up @@ -144,6 +144,27 @@ Zapier offers an MCP server that provides access to thousands of app integration
Zapier MCP provides access to over 7,000+ apps and 30,000+ actions without requiring complex API integrations.
</Note>

### Composio MCP

Composio also offers an MCP server for integration:

1. Log in to the Composio dashboard at https://mcp.composio.dev/dashboard
2. Select the tool you want to integrate (e.g., Gmail)
3. Enable the MCP server for the selected tool by connecting your account using authentication flow
4. Create a server and copy the generated URL
5. Add this URL to your MCP tool configuration as the `serverUrl`
6. Your assistant will now have access to the specific Composio tool integration

<Note type="warning">
**Context Overflow Warning**: Some MCP server tool calls (eg: GitHub API queries) may return large amounts of data. This can exceed model context limits, affecting assistant performance and potentially causing failures, especially with models like GPT-4o.

**Best Practices**:
- Configure your MCP tools to return focused, relevant data
- Use filtering parameters when available to limit response size
- Test your integration with realistic queries before deploying
- Monitor token usage and context size during development
</Note>

## References

- [Model Context Protocol Introduction](https://modelcontextprotocol.io/introduction)
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