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MCP Node Mssql

@cwilby

Repository

Basic information

Category

Databases

License

MIT

Transports

stdio

Author

cwilby

About MCP Node Mssql

MCP Server for SQL Server using node-mssql

MCP Node Mssql config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mssql": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-node-mssql"
      ],
      "env": {
        "DB_HOST": "localhost",
        "DB_PORT": "1433",
        "DB_USERNAME": "<username>",
        "DB_PASSWORD": "<password>",
        "DB_DATABASE": "<database>"
      }
    }
  }
}

MCP Node Mssql tools

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Overview

What is mcp-node-mssql?

mcp-node-mssql is an MCP (Model Context Protocol) server that allows AI assistants like Cursor, Windsurf, and Claude Code to connect to a Microsoft SQL Server database. It is intended for developers who want to give their AI coding tools direct database access.

How to use mcp-node-mssql?

Configure the server in the client’s MCP JSON file (e.g., ~/.cursor/mcp.json, <project>/.cursor/mcp.json, or ~/.claude.json) by setting the command to npx with the package name mcp-node-mssql and providing the required environment variables (DB_HOST, DB_PORT, DB_USERNAME, DB_PASSWORD, DB_DATABASE, etc.). After saving, restart the AI assistant to load the server.

Key features of mcp-node-mssql

  • Connects to Microsoft SQL Server databases.
  • Configurable connection and request timeouts.
  • Runs via npx with no manual installation.
  • Supports local development builds for testing.
  • Integrates with Cursor, Windsurf, and Claude Code.

Use cases of mcp-node-mssql

—

Frequently asked questions

1

How do I report an issue or get help?

Open an issue on the [GitHub repository](https://github.com/cwilby/mcp-node-mssql/issues).

2

What environment variables are required?

`DB_HOST`, `DB_PORT`, `DB_USERNAME`, `DB_PASSWORD`, and `DB_DATABASE` must be set. Optional variables include `CONNECTION_TIMEOUT`, `REQUEST_TIMEOUT`, `DB_ENCRYPT`, `DB_ENABLE_ARITH_ABORT`, `DB_TRUST_SERVER_CERTIFICATE`, and `TRUSTED_CONNECTION`.

Comments

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