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Microsoft SQL MCP Server

@aaaaalexander

Repository

Basic information

Category

Databases

License

MIT license

Transports

stdio

Author

aaaaalexander

About Microsoft SQL MCP Server

No overview available yet

Microsoft SQL MCP Server config

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

{
  "mcpServers": {
    "MS_SQL_MCP_server": {
      "command": "python",
      "args": [
        "-m",
        "venv",
        ".venv"
      ]
    }
  }
}

Microsoft SQL MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Microsoft SQL MCP Server?

A robust SQL Server interface using the Model Context Protocol (MCP) standard, providing AI assistants with a controlled way to interact with SQL databases. It offers tools for schema exploration, query execution, and data analysis, with safety mechanisms to prevent harmful operations. Designed primarily for integration with Claude Desktop.

How to use Microsoft SQL MCP Server?

Install prerequisites (Python 3.8+, SQL Server 2016+, Microsoft ODBC Driver 17+), clone the repository, create a virtual environment, install dependencies, then configure via claude_config.json for Claude Desktop (using DB_ environment variables) or via .env for standalone mode. Restart Claude Desktop to activate; ask natural language prompts like "Show me the structure of the Customers table."

Key features of Microsoft SQL MCP Server

  • 🔒 Secure database access with configurable security restrictions
  • 🛠️ Rich tool set for queries, schema exploration, and analysis
  • 📊 Data visualization support through export and analysis
  • 🧠 AI‑ready interface implementing the Model Context Protocol
  • ⚡ Connection pooling and efficiency optimizations for high throughput
  • 📦 Export query results to CSV, JSON, Excel and more

Use cases of Microsoft SQL MCP Server

  • 🗂️ Explore database schemas and table structures interactively
  • ⚡ Execute safe read‑only SQL queries with parameter binding
  • 📈 Generate statistical analyses and data summaries from tables
  • 🔍 Discover foreign keys, related tables, and relationship maps
  • 💾 Export query results to various formats for reporting

Frequently asked questions

1

What are the runtime requirements?

Python 3.8+, SQL Server 2016+, and Microsoft ODBC Driver for SQL Server 17+ are required.

2

How does the server prevent harmful operations?

It validates and sanitizes SQL queries, enforces read-only mode by default, restricts schema access via `DB_ALLOWED_SCHEMAS`, and recommends using a dedicated read‑only SQL user instead of admin accounts.

3

Where does configuration data live?

Configuration is stored in `claude_config.json` (for Claude Desktop) or `.env` file (standalone), with connection variables like `DB_SERVER`, `DB_NAME`, `DB_USERNAME`, `DB_PASSWORD`, and `DB_ALLOWED_SCHEMAS`.

4

What transport does the server use?

The server uses the Model Context Protocol (MCP) standard, invoked via stdio when connected to Claude Desktop or run as a standalone process.

5

Are there any known limitations?

The server is designed for read‑only access by default; it does not support write operations like INSERT/UPDATE/DELETE unless explicitly overridden. Schema and object access can be further limited using environment variables.

Comments

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