PgVouch MCP Server: Install & Setup

Install PgVouch in Claude Code

Claude Code

claude mcp add pgvouch -e SOURCE_DATABASE_URL=... -e TARGET_DATABASE_URL=... -- npx -y pgvouch

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "pgvouch": {
      "command": "npx",
      "args": [
        "-y",
        "pgvouch"
      ],
      "env": {
        "SOURCE_DATABASE_URL": "...",
        "TARGET_DATABASE_URL": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the PgVouch MCP server do?

Safe PostgreSQL migrations: schema drift, lock analysis, safe rewrites, data checksums. Read-only.

Is the PgVouch MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does PgVouch run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add PgVouch to Claude Code?

Run: claude mcp add pgvouch -e SOURCE_DATABASE_URL=... -e TARGET_DATABASE_URL=... -- npx -y pgvouch

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