mysql-mcp
MCP server for MySQL/MariaDB/Aurora MySQL that enables executing SQL queries, explaining query plans, inspecting schema, checking health, and running diagnostic playbooks through Claude.
README
mysql-mcp
MCP server for MySQL / MariaDB / Aurora MySQL — built for Claude Desktop and Claude Code.
mysql-mcp serve --url "mysql://root:root@localhost:3306/mydb"
mysql-mcp serve --aurora-host my-cluster.cluster-xxx.us-east-1.rds.amazonaws.com \
--aurora-region us-east-1 --aurora-user myuser --dbname mydb
mysql-mcp playbook slow-query --url "mysql://..."
mysql-mcp config desktop --url "mysql://root:root@localhost:3306/mydb"
Tools exposed to Claude
| Tool | What it does |
|---|---|
query |
Execute SQL (read-only by default) |
explain |
EXPLAIN FORMAT=JSON + EXPLAIN ANALYZE on a query |
schema |
List tables + describe columns, indexes, constraints |
health_check |
InnoDB status, connections, replication, slow query summary |
playbook |
Named multi-step diagnostic workflow (see below) |
Playbooks
mysql-mcp playbook health --url "..." # full cluster health
mysql-mcp playbook slow-query --url "..." # find + diagnose slow queries
mysql-mcp playbook pre-deploy --url "..." # safe to deploy?
mysql-mcp playbook replication --url "..." # diagnose replica lag
mysql-mcp playbook innodb-status --url "..." # parse SHOW ENGINE INNODB STATUS
Claude Desktop setup
mysql-mcp config desktop --url "mysql://root:root@localhost:3306/mydb"
Prints the JSON block to paste into ~/Library/Application Support/Claude/claude_desktop_config.json.
Aurora MySQL (IAM auth)
mysql-mcp serve \
--aurora-host my-cluster.cluster-xxx.us-east-1.rds.amazonaws.com \
--aurora-region us-east-1 \
--aurora-user myuser \
--dbname mydb
Requires AmazonRDSReadOnlyAccess IAM policy on the calling role and IAM DB auth enabled on the cluster.
Part of the rajivonai polyglot database toolkit
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