Microsoft SQL Server MCP Server
A Model Context Protocol (MCP) server that enables secure interaction with Microsoft SQL Server databases. This server allows AI assistants to list tables, read data, and execute SQL queries through a controlled interface, making database exploration and analysis safer and more structured.
Features
- List available SQL Server tables as resources
- Read table contents
- Execute SQL queries with proper error handling
- Secure database access through environment variables
- Comprehensive logging
- Automatic system dependency installation
Installation
The package will automatically install required system dependencies (like FreeTDS) when installed through MCP:
Configuration
Set the following environment variables:
Usage
With Claude Desktop
Add this to your claude_desktop_config.json
:
As a standalone server
Development
Security Considerations
- Never commit environment variables or credentials
- Use a database user with minimal required permissions
- Consider implementing query whitelisting for production use
- Monitor and log all database operations
Security Best Practices
This MCP server requires database access to function. For security:
- Create a dedicated SQL Server login with minimal permissions
- Never use sa credentials or administrative accounts
- Restrict database access to only necessary operations
- Enable logging for audit purposes
- Regular security reviews of database access
See SQL Server Security Configuration Guide for detailed instructions on:
- Creating a restricted SQL Server login
- Setting appropriate permissions
- Monitoring database access
- Security best practices
⚠️ IMPORTANT: Always follow the principle of least privilege when configuring database access.
License
MIT License - see LICENSE file for details.
Contributing
- Fork the repository
- Create your feature branch (
git checkout -b feature/amazing-feature
) - Commit your changes (
git commit -m 'Add some amazing feature'
) - Push to the branch (
git push origin feature/amazing-feature
) - Open a Pull Request
You must be authenticated.
hybrid server
The server is able to function both locally and remotely, depending on the configuration or use case.
Tools
A Model Context Protocol server that enables secure interaction with Microsoft SQL Server databases, allowing AI assistants to list tables, read data, and execute SQL queries through a controlled interface.
- Features
- Installation
- Configuration
- Usage
- Development
- Security Considerations
- Security Best Practices
- License
- Contributing
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