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mcp/harbor
Grok

postall for Grok

io.github.postall-io/postall

Post to 35+ social media platforms. Schedule & publish from Claude AI.

client:Grok transport:stdio runtime:npm

Install postall in Grok

.mcp.json (in your project root)

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{
  "mcpServers": {
    "postall": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "postall-mcp-server"
      ],
      "env": {
        "POSTALL_API_KEY": "<POSTALL_API_KEY>"
      }
    }
  }
}

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

postall in other clients

postall MCP server