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MSSQL MCP Server

by JexinSam
GitHub
Python
MIT License
39
  • Linux
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MSSQL MCP Server

MSSQL MCP Server is a Model Context Protocol (MCP) server that enables secure and structured interaction with Microsoft SQL Server (MSSQL) databases. It allows AI assistants to:

  • List available tables
  • Read table contents
  • Execute SQL queries with controlled access

This ensures safer database exploration, strict permission enforcement, and logging of database interactions.

Features

  • Secure MSSQL Database Access through environment variables
  • Controlled Query Execution with error handling
  • Table Listing & Data Retrieval
  • Comprehensive Logging for monitoring queries and operations

Installation

pip install mssql-mcp-server

Configuration

Set the following environment variables to configure database access:

MSSQL_DRIVER=mssql_driver MSSQL_HOST=localhost MSSQL_USER=your_username MSSQL_PASSWORD=your_password MSSQL_DATABASE=your_database #optional TrustServerCertificate=yes Trusted_Connection=no

Usage

With Claude Desktop

To integrate with Claude Desktop, add this configuration to claude_desktop_config.json:

{ "mcpServers": { "mssql": { "command": "uv", "args": [ "--directory", "path/to/mssql_mcp_server", "run", "mssql_mcp_server" ], "env": { "MSSQL_DRIVER": "mssql_driver", "MSSQL_HOST": "localhost", "MSSQL_USER": "your_username", "MSSQL_PASSWORD": "your_password", "MSSQL_DATABASE": "your_database" } } } }

Running as a Standalone Server

# Install dependencies pip install -r requirements.txt # Run the server python -m mssql_mcp_server

Development

# Clone the repository git clone https://github.com/yourusername/mssql_mcp_server.git cd mssql_mcp_server # Set up a virtual environment python -m venv venv source venv/bin/activate # On Windows: venv\Scripts\activate # Install development dependencies pip install -r requirements-dev.txt # Run tests pytest

Security Considerations

  • Use a dedicated MSSQL user with minimal privileges.
  • Never use root credentials or full administrative accounts.
  • Restrict database access to only necessary operations.
  • Enable logging and auditing for security monitoring.
  • Regularly review permissions to ensure least privilege access.

Security Best Practices

For a secure setup:

  1. Create a dedicated MSSQL user with restricted permissions.
  2. Avoid hardcoding credentials—use environment variables instead.
  3. Restrict access to necessary tables and operations only.
  4. Enable SQL Server logging and monitoring for auditing.
  5. Review database access regularly to prevent unauthorized access.

For detailed instructions, refer to the MSSQL Security Configuration Guide.

⚠️ IMPORTANT: Always follow the Principle of Least Privilege when configuring database access.

License

This project is licensed under the MIT License. See the LICENSE file for details.

Contributing

We welcome contributions! To contribute:

  1. Fork the repository.
  2. Create a feature branch: git checkout -b feature/amazing-feature
  3. Commit your changes: git commit -m 'Add amazing feature'
  4. Push to the branch: git push origin feature/amazing-feature
  5. Open a Pull Request.

Need Help?

For any questions or issues, feel free to open a GitHub Issue or reach out to the maintainers.

This server cannot be installed

-
security - not tested
A
license - permissive license
-
quality - not tested

How are these scores calculated?

hybrid server

The server is able to function both locally and remotely, depending on the configuration or use case.

A Model Context Protocol server that enables secure and structured interaction with Microsoft SQL Server databases, allowing AI assistants to list tables, read data, and execute SQL queries with controlled access.

  1. Features
    1. Installation
      1. Configuration
        1. Usage
          1. With Claude Desktop
          2. Running as a Standalone Server
        2. Development
          1. Security Considerations
            1. Security Best Practices
              1. License
                1. Contributing
                  1. Need Help?

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