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Claude Desktop

sw-postgres-mcp for Claude Desktop

io.github.jpka/sw-postgres-mcp

Safe-write Postgres MCP server with preview-before-execute writes and rollback safety.

client:Claude Desktop transport:stdio runtime:npm

Install sw-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": {
    "sw-postgres-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "sw-postgres-mcp"
      ],
      "env": {
        "DATABASE_URL_READONLY": "<DATABASE_URL_READONLY>",
        "DATABASE_URL_WRITER": "<DATABASE_URL_WRITER>"
      }
    }
  }
}

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

sw-postgres-mcp in other clients

sw-postgres-mcp MCP server