SQL and File MCP

SQL and File MCP

An MCP server that gives LLM clients access to a SQL Server database and the local filesystem, including file operations and image handling.

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README

SQL and File MCP

An MCP (Model Context Protocol) server that gives LLM clients access to a SQL Server database and the local filesystem.

Setup

  1. Install dependencies:

    npm install

  2. Copy .env and fill in your database credentials:

    cp .env.example .env
    Variable Description
    DB_USER SQL Server username
    DB_PASSWORD SQL Server password
    DB_SERVER Hostname or IP of the SQL Server
    DB_PORT Port (default: 1433)
    DB_NAME Database name

  3. Register the server in your MCP client config (e.g. Claude Desktop claude_desktop_config.json):

    {
  "mcpServers": {
    "mssql-server": {
      "command": "node",
      "args": ["/absolute/path/to/server.js"]
    }
  }
}

Tools

Database

Tool Description
query Run a SELECT query against the configured SQL Server database. Write queries are blocked.

File system

Tool Description
read_file Read a text file and return its contents.
write_file Write (or append) text to a file. Creates the file if it doesn't exist.
delete_file Delete a file.
copy_file Copy a file from source to destination.
move_file Move or rename a file or directory.
file_info Get metadata for a file or directory (size, created, modified, accessed).
list_directory List the contents of a directory. Supports recursive listing.
create_directory Create a directory and any missing parent directories.
delete_directory Delete a directory. Pass recursive: true to delete non-empty directories.

Images

Tool Description
read_image Read a local image file and return it as base64. Supports png, jpg, gif, webp.
compare_images Load two images side-by-side for visual comparison. Each source can be a local file path or an http/https URL.

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