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Grok

Postemi: Social Media Scheduler for Grok

com.postemi/postemi

Write, preview and schedule social media posts to 37 platforms and apps, from Instagram to Bluesky.

client:Grok transport:streamable-http

Install Postemi: Social Media Scheduler in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "postemi": {
      "type": "http",
      "url": "https://mcp.postemi.com/mcp"
    }
  }
}

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

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