Attio MCP Server

by kesslerioai.smithery/kesslerio-attio-mcp-serverv1.1.1

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Active3d ago

Install Attio MCP server

claude mcp add attio -e ATTIO_API_KEY='<attio-api-key>' -- npx -y attio-mcp

{
  "mcpServers": {
    "attio": {
      "command": "npx",
      "args": [
        "-y",
        "attio-mcp"
      ],
      "env": {
        "ATTIO_API_KEY": "<attio-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "attio": {
      "command": "npx",
      "args": [
        "-y",
        "attio-mcp"
      ],
      "env": {
        "ATTIO_API_KEY": "<attio-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "attio": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "attio-mcp"
      ],
      "env": {
        "ATTIO_API_KEY": "<attio-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "attio": {
      "command": "npx",
      "args": [
        "-y",
        "attio-mcp"
      ],
      "env": {
        "ATTIO_API_KEY": "<attio-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
ATTIO_API_KEY	yes	yes	Your Attio API key (required for all tools except health-check)
ATTIO_WORKSPACE_ID	—	—	Optional Attio workspace ID for workspace-specific operations
ATTIO_MCP_TOOL_MODE	—	—	Tool mode: 'full' (all tools) or 'search' (search tools only). Default: 'full'
MCP_LOG_LEVEL	—	—	Logging level: 'DEBUG', 'INFO', 'WARN', 'ERROR'. Default: 'INFO'

Remote endpoints

streamable-httphttps://server.smithery.ai/@kesslerio/attio-mcp-server-beta/mcp
streamable-httphttps://server.smithery.ai/@kesslerio/attio-mcp-server/mcp

Freshness

Active — last maintenance signal 3d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-06 · 3d ago · GitHub
Latest release
2026-09-09 · 30d ago · GitHub · v1.8.0
Package published
no data · npm/PyPI
Registry entry updated
2025-10-07 · 12mo ago · official registry · v1.1.1

FAQ

›How do I install the Attio MCP server in Claude Code?

Run: claude mcp add attio -e ATTIO_API_KEY='<attio-api-key>' -- npx -y attio-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Attio require an API key?

Yes. It expects ATTIO_API_KEY, of which 1 is a secret.

›Can I use Attio as a remote (hosted) MCP server?

Yes — it offers both a hosted endpoint and a local stdio package.

›Is Attio in the official MCP registry?

Yes, as ai.smithery/kesslerio-attio-mcp-server.