MySQL Legacy MCP Server: Install & Setup

Install MySQL Legacy in Claude Code

Claude Code

claude mcp add mysql-legacy -e MYSQL_LEGACY_HOST=... -e MYSQL_LEGACY_USER=... -e MYSQL_LEGACY_PASSWORD=... -- npx -y mysql-legacy-mcp

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

{
  "mcpServers": {
    "mysql-legacy": {
      "command": "npx",
      "args": [
        "-y",
        "mysql-legacy-mcp"
      ],
      "env": {
        "MYSQL_LEGACY_HOST": "...",
        "MYSQL_LEGACY_USER": "...",
        "MYSQL_LEGACY_PASSWORD": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the MySQL Legacy MCP server do?

Access legacy MySQL 5.0 to 5.6 databases: schema inspection and SELECT by default, with opt-in INSERT, UPDATE, DELETE and DDL.

Is the MySQL Legacy MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does MySQL Legacy run locally or remotely?

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

How do I add MySQL Legacy to Claude Code?

Run: claude mcp add mysql-legacy -e MYSQL_LEGACY_HOST=... -e MYSQL_LEGACY_USER=... -e MYSQL_LEGACY_PASSWORD=... -- npx -y mysql-legacy-mcp

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