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MySQL Legacy MCP

Inspect and query MySQL 5.0–5.6; opt-in INSERT/UPDATE/DELETE/DDL. Live-verified 5.0–8.0.

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★ 0 stars Last pushed 2026-09-22 License: MIT

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Review any command before running it. Package names and URLs come from the server's own registry entry.

Package (npm 0.2.1)

npx -y [email protected]

Or add to your MCP client config:

{
  "mcpServers": {
    "mysql-legacy-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "MYSQL_LEGACY_HOST": "<YOUR_VALUE>",
        "MYSQL_LEGACY_USER": "<YOUR_VALUE>",
        "MYSQL_LEGACY_PASSWORD": "<YOUR_VALUE>"
      }
    }
  }
}

MYSQL_LEGACY_HOST required — Database host or local tunnel endpoint
MYSQL_LEGACY_USER required — Dedicated database reader account
MYSQL_LEGACY_PASSWORD required secret — Nonempty database account password
MYSQL_LEGACY_PORT — TCP port, 1–65535
MYSQL_LEGACY_DATABASE — Optional default database
MYSQL_LEGACY_HIDE_SYSTEM_DATABASES — Hide mysql and information_schema from listings
MYSQL_LEGACY_QUERY_TIMEOUT — Driver query timeout, 100–60000 milliseconds
MYSQL_LEGACY_MAX_ROWS — SELECT response row limit, 1–1000
MYSQL_LEGACY_MAX_RESULT_BYTES — SELECT row-data JSON byte limit, 1024–1048576
MYSQL_LEGACY_CONNECT_TIMEOUT — Connection-establishment timeout, 100–60000 milliseconds
MYSQL_LEGACY_POOL_SIZE — Pooled connection limit, 1–50
MYSQL_LEGACY_ALLOW_INSERT — Enable the mysql_legacy_insert tool
MYSQL_LEGACY_ALLOW_UPDATE — Enable the mysql_legacy_update tool (WHERE clause always required)
MYSQL_LEGACY_ALLOW_DELETE — Enable the mysql_legacy_delete tool (WHERE clause always required)
MYSQL_LEGACY_ALLOW_DDL — Enable the mysql_legacy_ddl tool (table-level statements only)
MYSQL_LEGACY_DISABLE_READ_ONLY_TRANSACTIONS — Disable the read-only transaction wrap around mysql_legacy_select on MySQL 5.6.5+