MCP Server for MySQL

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Bloome

Using mcp-server-mysql to let your AI query MySQL? Bloome brings that to your whole team — an AI-agent IM platform where AI agents are members of the chat. Connect your MCP tools and have agents inspect schemas, run queries, and answer data questions for everyone in one thread. Zero local setup, runs in the cloud, on web and mobile.

MCP server that gives Claude and other LLMs access to MySQL — inspect schemas, run queries, and optionally write data, all through the Model Context Protocol.

Key Features

Read-only by default — write operations opt-in via env flags
Claude Code integration — optimized for Anthropic's Claude Code CLI
SSH tunnel support — built-in support for remote databases
Multi-DB mode — query across multiple databases without reconnecting
Schema-specific permissions — per-database read/write control
PII redaction — automatic masking of sensitive data in results
Remote mode — HTTP transport with bearer token auth
SSL/TLS support — encrypted connections with mTLS option

Requirements

Node.js v20+
MySQL 5.7+ (8.0+ recommended)
MySQL user with appropriate privileges

Quick Install

Claude Code (simplest):

claude mcp add mcp_server_mysql \
  -e MYSQL_HOST="127.0.0.1" \
  -e MYSQL_PORT="3306" \
  -e MYSQL_USER="root" \
  -e MYSQL_PASS="your_password" \
  -e MYSQL_DB="your_database" \
  -- npx @benborla29/mcp-server-mysql

Claude Desktop / other clients:

{
  "mcpServers": {
    "mcp_server_mysql": {
      "command": "npx",
      "args": ["-y", "@benborla29/mcp-server-mysql"],
      "env": {
        "MYSQL_HOST": "127.0.0.1",
        "MYSQL_PORT": "3306",
        "MYSQL_USER": "root",
        "MYSQL_PASS": "your_password",
        "MYSQL_DB": "your_database"
      }
    }
  }
}

All write operations are disabled by default. Enable with ALLOW_INSERT_OPERATION=true, ALLOW_UPDATE_OPERATION=true, ALLOW_DELETE_OPERATION=true.

Documentation

Installation Guide — Smithery, Cursor, Codex, Claude Code, local repo, remote mode
Configuration & Environment Variables — all env vars, advanced config
Multi-DB Mode — querying multiple databases
PII Redaction — automatic data masking
Testing — test setup and running
Troubleshooting — common issues and fixes
Changelog

Tools & Resources

Tool: mysql_query Execute SQL queries. Read-only by default. Write operations enabled per flag.

Resources: mysql://tables Lists all tables and column metadata for the connected database.

Contributing

PRs welcome at github.com/benborla/mcp-server-mysql.

git clone https://github.com/benborla/mcp-server-mysql.git
pnpm install
pnpm run build
pnpm test

Contributors

License

MIT — see LICENSE for details.