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mcp/harbor
Claude Desktop

Tag Pilot GTM for Claude Desktop

io.github.tagpilot/gtm-mcp

Free, read-only Google Tag Manager: containers, tags, diffs vs live, audits. No GCP setup.

client:Claude Desktop transport:stdio runtime:npm

Install Tag Pilot GTM in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "gtm-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@tagpilot/gtm-mcp"
      ],
      "env": {
        "TAGPILOT_API_KEY": "<TAGPILOT_API_KEY>",
        "GTM_MCP_NO_BROWSER": "<GTM_MCP_NO_BROWSER>",
        "GTM_MCP_AUTH_WAIT_SECONDS": "<GTM_MCP_AUTH_WAIT_SECONDS>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

Tag Pilot GTM in other clients

Tag Pilot GTM MCP server