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mcp/harbor
Grok

PostgreSQL MCP Server for Grok

io.github.musaddiq-dev/postgresql-mcp-server

Python MCP server for PostgreSQL database inspection and querying

client:Grok transport:stdio runtime:pypi

Install PostgreSQL MCP Server in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "postgresql-mcp-server": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mdev-postgresql-mcp-server"
      ],
      "env": {
        "POSTGRES_HOST": "<POSTGRES_HOST>",
        "POSTGRES_PORT": "<POSTGRES_PORT>",
        "POSTGRES_USER": "<POSTGRES_USER>",
        "POSTGRES_PASSWORD": "<POSTGRES_PASSWORD>",
        "POSTGRES_DB": "<POSTGRES_DB>",
        "POSTGRES_READ_QUERY_LIMIT": "<POSTGRES_READ_QUERY_LIMIT>"
      }
    }
  }
}

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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