Attio MCP Server: Install & Setup

Install Attio in Claude Code

Remote URL

Claude Code

claude mcp add --transport http kesslerio-attio https://server.smithery.ai/@kesslerio/attio-mcp-server/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "kesslerio-attio": {
      "url": "https://server.smithery.ai/@kesslerio/attio-mcp-server/mcp"
    }
  }
}

npm

Claude Code

claude mcp add kesslerio-attio -e ATTIO_API_KEY=... -- npx -y attio-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "kesslerio-attio": {
      "command": "npx",
      "args": [
        "-y",
        "attio-mcp"
      ],
      "env": {
        "ATTIO_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Attio MCP server do?

Connect AI to your Attio CRM. Manage contacts, companies, deals, and sales pipelines. Create tasks…

Is the Attio MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Attio run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add Attio to Claude Code?

Run: claude mcp add --transport http kesslerio-attio https://server.smithery.ai/@kesslerio/attio-mcp-server/mcp

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