mssql_mcp_server
3.6
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A Model Context Protocol (MCP) server that enables secure interaction with Microsoft SQL Server databases.
Microsoft SQL Server MCP Server
A Model Context Protocol (MCP) server for secure SQL Server database access through Claude Desktop.
Features
- 🔍 List database tables
- 📊 Execute SQL queries (SELECT, INSERT, UPDATE, DELETE)
- 🔐 Multiple authentication methods (SQL, Windows, Azure AD)
- 🏢 LocalDB and Azure SQL support
- 🔌 Custom port configuration
Quick Start
Install with Claude Desktop
Add to your claude_desktop_config.json:
{
"mcpServers": {
"mssql": {
"command": "uvx",
"args": ["microsoft_sql_server_mcp"],
"env": {
"MSSQL_SERVER": "localhost",
"MSSQL_DATABASE": "your_database",
"MSSQL_USER": "your_username",
"MSSQL_PASSWORD": "your_password"
}
}
}
}
Configuration
Basic SQL Authentication
MSSQL_SERVER=localhost # Required
MSSQL_DATABASE=your_database # Required
MSSQL_USER=your_username # Required for SQL auth
MSSQL_PASSWORD=your_password # Required for SQL auth
Windows Authentication
MSSQL_SERVER=localhost
MSSQL_DATABASE=your_database
MSSQL_WINDOWS_AUTH=true # Use Windows credentials
Azure SQL Database
MSSQL_SERVER=your-server.database.windows.net
MSSQL_DATABASE=your_database
MSSQL_USER=your_username
MSSQL_PASSWORD=your_password
# Encryption is automatic for Azure
Optional Settings
MSSQL_PORT=1433 # Custom port (default: 1433)
MSSQL_ENCRYPT=true # Force encryption
Alternative Installation Methods
Using pip
pip install microsoft_sql_server_mcp
Then in claude_desktop_config.json:
{
"mcpServers": {
"mssql": {
"command": "python",
"args": ["-m", "mssql_mcp_server"],
"env": { ... }
}
}
}
Development
git clone https://github.com/RichardHan/mssql_mcp_server.git
cd mssql_mcp_server
pip install -e .
Security
- Create a dedicated SQL user with minimal permissions
- Never use admin/sa accounts
- Use Windows Authentication when possible
- Enable encryption for sensitive data
License
MIT
