Overview
What is Mcp Sql Server?
A Model Context Protocol server that provides comprehensive access to SQL databases, starting with MSSQL support. It enables AI assistants to inspect database schemas, execute queries, and perform database operations with enterprise‑grade security and performance monitoring.
How to use Mcp Sql Server?
Install globally via npm install -g @donggyunryu/mcp-sql or run with npx -y @donggyunryu/mcp-sql. Create a .env file with your MSSQL credentials (DB_HOST, DB_PORT, DB_DATABASE, DB_USER, DB_PASSWORD). Then add the server configuration to your MCP‑compatible assistant (e.g., Claude Desktop, Cursor) using the provided JSON settings. Restart the assistant and start with natural‑language queries like “Show me all tables in my database.”
Key features of Mcp Sql Server
- Full MSSQL support (MySQL and PostgreSQL coming soon)
- Schema inspection and metadata extraction
- Safe SQL execution with parameterized queries
- Performance monitoring and real‑time metrics
- SQL injection prevention and connection encryption
- Batch operations and transaction management
- Connection pooling with configurable settings
- Native integration with Claude Desktop, Cursor, and others
Use cases of Mcp Sql Server
- Exploring database schemas and table structures via natural language
- Running safe, ad‑hoc SQL queries through AI assistants
- Monitoring database performance and identifying slow queries
- Processing multiple queries in batch or managing transactions
- Generating performance reports and analyzing query statistics
FAQ from Mcp Sql Server
What databases does Mcp Sql Server support?
Currently only Microsoft SQL Server (MSSQL) is fully supported. MySQL and PostgreSQL support are planned for future releases.
What are the prerequisites to use Mcp Sql Server?
Node.js 18.0.0 or later, a running Microsoft SQL Server instance, and an MCP‑compatible AI assistant such as Claude Desktop or Cursor.
How do I configure Mcp Sql Server for Claude Desktop?
Add an entry to your claude_desktop_config.json with "command": "npx", "args": ["-y", "@donggyunryu/mcp-sql"], and the required environment variables (DB_HOST, DB_PORT, DB_DATABASE, DB_USER, DB_PASSWORD, etc.).
How can I test the database connection?
Run npx @donggyunryu/mcp-sql test:db or npm run test:db in a local environment.
What security measures are in place?
Connection encryption via TLS/SSL, parameter binding to prevent SQL injection, database user permission‑based access control, complete query logging, and comprehensive input sanitization.
