Skip to content

Grok CREW / CrewPay crew_launch

How to: Grok CREW / CrewPay crew_launch

client:Grok transport:streamable-http tool:crew_launch

Add CREW / CrewPay to Grok

  1. 01

    Open .mcp.json (in your project root) and merge this in. Keep any servers already there.

{
  "mcpServers": {
    "crewpay-mcp": {
      "type": "http",
      "url": "https://mcp.crewpay.dev/mcp"
    }
  }
}
  1. 02

    Save the file and restart Grok.

  2. 03

    Ask for something crew_launch does. Grok lists the server's tools on connect and calls crew_launch itself — you do not invoke it by name.

  3. 04

    If nothing happens, check the server is running and that CREW / CrewPay's identifier in your config matches the one above exactly.

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

Set these first

CREW / CrewPay will not start until these are set, so crew_launch never becomes available.

  • CREW_AGENT_API_KEY
  • CREW_LAUNCHER_KEY
  • CREW_API_URL
  • CREWPAY_REFERRAL_CODE
  • X402_EVM_PRIVATE_KEY

Same tool, other clients

This list was read from the server itself, by connecting to it and calling tools/list on 14 November 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.