MCP MySQL Server
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| READONLY | No | If set to 'true', only SELECT and SHOW commands are allowed | false |
| ALLOW_DDL | No | Whether to allow DDL operations | false |
| ALLOW_DROP | No | Whether to allow DROP operations | false |
| MYSQL_HOST | Yes | MySQL host address | localhost |
| MYSQL_PORT | Yes | MySQL port | 3306 |
| MYSQL_USER | Yes | MySQL username | root |
| MCP_LOG_DIR | No | Log directory | ./.setting |
| TOOL_PREFIX | No | Optional tool prefix for tool names and config isolation | |
| ALLOW_DELETE | No | Whether to allow DELETE operations | false |
| MCP_LOG_FILE | No | Log filename | mcp-mysql.log |
| PROJECT_NAME | No | Optional project branding for tool descriptions | |
| MYSQL_DATABASE | Yes | Database name | |
| MYSQL_PASSWORD | Yes | MySQL password | |
| MCP_DDL_LOG_FILE | No | DDL SQL log filename | ddl.sql |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": false
} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| sql_queryC | Execute SQL query, supports DDL and DML operations |
| get_database_infoA | Get database information, including database list, table list and configuration information |
| get_operation_logsC | Get operation logs |
| check_permissionsA | Check database permissions for DDL, DROP, DELETE and other operations. Returns detailed permission status including readonly mode restrictions (only SELECT and SHOW allowed when readonly is enabled) |
| get_ddl_sql_logsC | Get DDL SQL operation logs |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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