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mcp/harbor
Grok

marrow for Grok

tech.skeletonarmy/marrow

Read-only MCP access to your own Apple Health data, mirrored from the Marrow iOS app.

client:Grok transport:stdio runtime:pypi

Install marrow in Grok

.mcp.json (in your project root)

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

{
  "mcpServers": {
    "marrow": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "marrow-mcp"
      ],
      "env": {
        "MARROW_DATA": "<MARROW_DATA>"
      }
    }
  }
}

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

marrow in other clients

marrow MCP server