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mcp/harbor
Grok

A2H: ask a human for Grok

io.github.andreaacanfora/a2h-gateway

Ask a human before acting: approvals by email, Telegram or push, signed answers, passkeys.

client:Grok transport:stdio runtime:oci

Install A2H: ask a human 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": {
    "a2h-gateway": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/andreaacanfora/a2h-gateway:0.3.0"
      ],
      "env": {
        "A2H_GATEWAY": "<A2H_GATEWAY>",
        "A2H_API_KEY": "<A2H_API_KEY>",
        "A2H_TO": "<A2H_TO>",
        "A2H_PRINCIPAL": "<A2H_PRINCIPAL>"
      }
    }
  }
}

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

A2H: ask a human in other clients

A2H: ask a human MCP server