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mcp/harbor
Grok

postmcp mcp server for Grok

io.github.postmcp/postmcp-mcp-server

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client:Grok transport:stdio runtime:npm

Install postmcp mcp server in Grok

.mcp.json (in your project root)

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{
  "mcpServers": {
    "postmcp-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@postmcpai/server"
      ],
      "env": {
        "POSTMCPAI_API_KEY": "<POSTMCPAI_API_KEY>",
        "POSTMCPAI_PROJECT_ID": "<POSTMCPAI_PROJECT_ID>"
      }
    }
  }
}

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

postmcp mcp server in other clients

postmcp mcp server MCP server