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Natural Language MCP-MSSQL Client

@david-ruffin

Repository

Basic information

Category

Databases

Transports

stdio

Author

david-ruffin

About Natural Language MCP-MSSQL Client

Natural Language SQL Chat Interface using MCP SQL Server

Natural Language MCP-MSSQL Client config

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

{
  "mcpServers": {
    "MCP-MSSQL-SERVER-WEBAPP": {
      "command": "python",
      "args": [
        "-m",
        "venv",
        "venv"
      ]
    }
  }
}

Natural Language MCP-MSSQL Client 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 Natural Language MCP-MSSQL Client?

A client that lets users query Microsoft SQL Server databases using plain English questions through Claude AI, integrating with an MCP-MSSQL server via the Model Context Protocol. It is designed for anyone who wants to interact with SQL databases without writing SQL manually.

How to use Natural Language MCP-MSSQL Client?

Clone the repository, set up a virtual environment, install dependencies from requirements.txt, copy .env.example to .env and fill in database and API credentials. Then run python interactive_client.py for interactive questioning, or python demo_nl_client.py to run predefined questions.

Key features of Natural Language MCP-MSSQL Client

  • Natural language querying of MS SQL Server databases
  • MCP integration via FastMCP framework
  • Uses Anthropic’s Claude API to translate English to SQL
  • Interactive mode for ad‑hoc questions
  • Demo mode with predefined example queries

Use cases of Natural Language MCP-MSSQL Client

  • Ask “How many products are there?” without writing SQL
  • List customers from a specific state (e.g., California)
  • Show the most expensive products in the database
  • Quickly explore order counts or product categories
  • Demo the system with built‑in example questions

Frequently asked questions

1

What prerequisites are needed?

Python 3.8+, the Microsoft ODBC Driver for SQL Server installed, and an Anthropic API key.

2

How do I configure the environment?

Copy `.env.example` to `.env` and fill in your database server, database name, username, password, ODBC driver name, and Anthropic API key.

3

How do I run the client in interactive mode?

After setup, run `python interactive_client.py` and type natural language questions at the prompt.

4

What does demo mode do?

`python demo_nl_client.py` runs several predefined questions automatically, showing the translation to SQL and the results.

5

How does the client connect to the database?

It uses the MCP-MSSQL server (via FastMCP) and the credentials supplied in the `.env` file to access the MS SQL Server database.

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