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mcp/harbor
Grok

Cairn for Grok

io.github.jasondostal/cairn-mcp

Persistent memory for AI agents and humans. Store, search, and discover patterns.

client:Grok transport:stdio runtime:oci

Install Cairn 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": {
    "cairn-mcp": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/jasondostal/cairn-mcp:0.21.2"
      ],
      "env": {
        "CAIRN_DB_HOST": "<CAIRN_DB_HOST>",
        "CAIRN_DB_PASS": "<CAIRN_DB_PASS>",
        "CAIRN_TRANSPORT": "<CAIRN_TRANSPORT>",
        "CAIRN_LLM_BACKEND": "<CAIRN_LLM_BACKEND>"
      }
    }
  }
}

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

Cairn in other clients

Cairn MCP server