@enemyrr/mcp-mysql-server


A Model Context Protocol server that provides MySQL database operations. This server enables AI models to interact with MySQL databases through a standardized interface.

Installation & Setup for Cursor IDE

$3

To install MySQL Database Server for Claude Desktop automatically via Smithery:

``bash
npx -y @smithery/cli install @enemyrr/mcp-mysql-server --client claude
`

$3


1. Clone and build the project:
`bash
git clone https://github.com/enemyrr/mcp-mysql-server.git
cd mcp-mysql-server
npm install
npm run build
`

2. Add the server in Cursor IDE settings:
- Open Command Palette (Cmd/Ctrl + Shift + P)
- Search for "MCP: Add Server"
- Fill in the fields:
- Name: mysql
- Type: command
- Command: node /absolute/path/to/mcp-mysql-server/build/index.js

> Note: Replace /absolute/path/to/ with the actual path where you cloned and built the project.

Database Configuration

You can configure the database connection in three ways:

1. Database URL in .env (Recommended):
`env
DATABASE_URL=mysql://user:password@host:3306/database
`

2. Individual Parameters in .env:
`env
DB_HOST=localhost
DB_USER=your_user
DB_PASSWORD=your_password
DB_DATABASE=your_database
`

3. Direct Connection via Tool:
`typescript
use_mcp_tool({
server_name: "mysql",
tool_name: "connect_db",
arguments: {
url: "mysql://user:password@host:3306/database"
// OR
workspace: "/path/to/your/project" // Will use project's .env
// OR
host: "localhost",
user: "your_user",
password: "your_password",
database: "your_database"
}
});
`

Available Tools

$3

Connect to MySQL database using URL, workspace path, or direct credentials.

$3

Execute SELECT queries with optional prepared statement parameters.

`typescript
use_mcp_tool({
server_name: "mysql",
tool_name: "query",
arguments: {
sql: "SELECT * FROM users WHERE id = ?",
params: [1]
}
});
`

$3

Execute INSERT, UPDATE, or DELETE queries with optional prepared statement parameters.

`typescript
use_mcp_tool({
server_name: "mysql",
tool_name: "execute",
arguments: {
sql: "INSERT INTO users (name, email) VALUES (?, ?)",
params: ["John Doe", "john@example.com"]
}
});
`

$3

List all tables in the connected database.

`typescript
use_mcp_tool({
server_name: "mysql",
tool_name: "list_tables"
});
`

$3

Get the structure of a specific table.

`typescript
use_mcp_tool({
server_name: "mysql",
tool_name: "describe_table",
arguments: {
table: "users"
}
});
`

$3

Create a new table with specified fields and indexes.

`typescript
use_mcp_tool({
server_name: "mysql",
tool_name: "create_table",
arguments: {
table: "users",
fields: [
{
name: "id",
type: "int",
autoIncrement: true,
primary: true
},
{
name: "email",
type: "varchar",
length: 255,
nullable: false
}
],
indexes: [
{
name: "email_idx",
columns: ["email"],
unique: true
}
]
}
});
`

$3

Add a new column to an existing table.

`typescript
use_mcp_tool({
server_name: "mysql",
tool_name: "add_column",
arguments: {
table: "users",
field: {
name: "phone",
type: "varchar",
length: 20,
nullable: true
}
}
});
``

Features

- Multiple connection methods (URL, workspace, direct)
- Secure connection handling with automatic cleanup
- Prepared statement support for query parameters
- Schema management tools
- Comprehensive error handling and validation
- TypeScript support
- Automatic workspace detection

Security

- Uses prepared statements to prevent SQL injection
- Supports secure password handling through environment variables
- Validates queries before execution
- Automatically closes connections when done

Error Handling

The server provides detailed error messages for:
- Connection failures
- Invalid queries or parameters
- Missing configuration
- Database errors
- Schema validation errors

Contributing

Contributions are welcome! Please feel free to submit a Pull Request to https://github.com/enemyrr/mcp-mysql-server

License

MIT