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Mybatis Mapper2sql

@handsomestWei

Repository

About Mybatis Mapper2sql

Automatically extract SQL statements from MyBatis mapper XML files. Support automatic mocking of SQL parameters, and support automatic connection to the database to execute SQL tests and output results.

#sql#mybatis#mapper-xml

Basic information

Category

Databases

Transports

stdio

Publisher

handsomestWei

Submitted by

handsomestWei

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mapper2sql": {
      "command": "java",
      "args": [
        "-DdbType=mysql",
        "-DjdbcDriver=com.mysql.cj.jdbc.Driver",
        "-DjdbcDriverJar=/path/to/mysql-connector-java-8.0.33.jar",
        "-DjdbcUrl=jdbc:mysql://localhost:3306/testdb",
        "-DuserName=root",
        "-Dpassword=your_password_here",
        "-jar",
        "mapper2sql-mcp-server-1.0.0.jar"
      ],
      "env": {
        "JAVA_HOME": "/path/to/jdk17",
        "PATH": "/path/to/jdk17/bin;${PATH}"
      }
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Mybatis Mapper2sql?

A Model Context Protocol (MCP) service that extracts SQL statements from MyBatis mapper XML files, optionally mocks parameters using resultMap and JDBC type inference, and tests SQL against a database. It is aimed at developers who need deterministic SQL analysis and AI collaboration.

How to use Mybatis Mapper2sql?

—

Key features of Mybatis Mapper2sql

  • Extracts SQL from MyBatis mapper XML files
  • Automatically mocks SQL parameters based on type inference
  • Tests extracted SQL by connecting to a real database
  • Uses MyBatis’s official parsing engine for deterministic results
  • Supports multiple database types

Use cases of Mybatis Mapper2sql

  • Quickly reviewing SQL structure from mapper files without parameter details
  • Generating executable SQL with mocked parameters for offline analysis
  • Validating SQL correctness by running it against a live database

FAQ from Mybatis Mapper2sql

What databases does Mybatis Mapper2sql support?

It supports multiple database types through JDBC connections.

What input does Mybatis Mapper2sql require?

The server expects a file path to a mapper XML file or a directory containing such files.

What tools does Mybatis Mapper2sql provide?

Three tools: parse_mapper (basic extraction), parse_mapper_and_mock (extraction with parameter mocking), and parse_mapper_and_run_test (extraction, mocking, and execution).

How does Mybatis Mapper2sql mock parameters?

It automatically generates SQL parameters based on resultMap definitions and JDBC type inference.

Comments

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