mcp server for Grok

Install mcp server in Grok

.mcp.json (in your project root)

{
  "mcpServers": {
    "mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@21e14/mcp-server"
      ],
      "env": {
        "COUNTERPARTY_NODE": "<COUNTERPARTY_NODE>",
        "SIGNER_PRIVATE_KEY": "<SIGNER_PRIVATE_KEY>",
        "SIGNER_ADDRESS": "<SIGNER_ADDRESS>"
      }
    }
  }
}

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