Database Tools for Claude AI

This is an MCP (Model Context Protocol) server that allows Claude AI to interact directly with MySQL databases.

Features

• Query MySQL databases through Claude
• Execute any valid SQL query
• Get information about tables, including size and structure
• Formatted results for easy reading in Claude

Installation

To install and use this tool, follow these steps:

1. Clone or download the repository

   git clone [repository-url]
   

   or download and extract the ZIP file.

2. Install dependencies Navigate to the project directory and run:

   npm install
   

Configuration

For Claude to use this tool, you need to add the configuration to your claude_desktop_config.json file, which is typically located at:

C:\Users\YOUR_USER\AppData\Roaming\Claude\claude_desktop_config.json

With the following structure:

{
  "mcpServers": {
    // Other existing configurations...
    "database-tools": {
      "command": "node",
      "args": [
        "C:\\path\\to\\index.js"
      ]
    }
  }
}

Usage

Once configured, you can interact with your MySQL databases from Claude with commands like:

1. List all databases
   "Execute query in MySQL to show me the databases."

2. View tables in a database
   "Execute query in MySQL to show me the table name_table."

3. Query the size of a table
   "Execute query in MySQL to show me the size of the table name_table."

4. Execute custom queries
   "Execute query in MySQL: 'The description of what you want your query to do.'"

Security

This tool runs with the permissions configured in the mysql.js file. Make sure the credentials provided have only the necessary permissions for the operations you want to allow.

Troubleshooting

If you have connection problems, check:

• That MySQL is running
• That the credentials in mysql.js are correct
• That the path in the Claude configuration file is correct

Implementation

To query databases, simply ask Claude something like: "Show me all databases in my MySQL" or "What is the size of the users table?"