Postey for Grok
ai.postey/postey
Draft, schedule and publish social posts to nine platforms from any AI agent.
client:Grok
transport:streamable-http
Install Postey in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"postey": {
"type": "http",
"url": "https://srvr.postey.ai/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