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Claude Desktop

NexQL Postgres MCP for Claude Desktop

io.github.nexql-oss/nexql-mcp

Standalone Postgres MCP server — schema-aware, read-only by default, installable everywhere.

client:Claude Desktop transport:stdio runtime:npm

Install NexQL Postgres MCP in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

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

{
  "mcpServers": {
    "nexql-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "nexql-mcp"
      ],
      "env": {
        "DATABASE_URL": "<DATABASE_URL>",
        "NEXQL_MCP_CONFIG": "<NEXQL_MCP_CONFIG>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

NexQL Postgres MCP in other clients

NexQL Postgres MCP MCP server