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mcp/harbor
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cairn for Grok

dev.mightys/cairn

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client:Grok transport:stdio runtime:npm

Install cairn in Grok

.mcp.json (in your project root)

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{
  "mcpServers": {
    "cairn": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@bborota/cairn-mcp"
      ],
      "env": {
        "CAIRN_KEY_PATH": "<CAIRN_KEY_PATH>",
        "CAIRN_API_BASE_URL": "<CAIRN_API_BASE_URL>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

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