FastMCP SQL Tools

mcp-name: io.github.atarkowska/fastmcp-sqltools

A Model Context Protocol (MCP) server built with FastMCP that provides SQL database access with support for PostgreSQL, MySQL, and SQLite.

Features

• list_tables: List all tables in the database

• get_table_schema: Get detailed schema information for a table including columns, types, constraints, and indexes

• execute_query: Execute any SQL query (INSERT, UPDATE, DELETE, DDL, etc.)

• execute_safe_query: Execute read-only SELECT queries with additional safety checks

Related MCP server: mcp-sqlite3

Supported Databases

• PostgreSQL: Full support via asyncpg

• MySQL: Full support via aiomysql

• SQLite: Full support via aiosqlite

The server automatically detects the database type from the DATABASE_URL environment variable.

Configuration

Add the following to your claude_desktop_config.json:

{
    "mcpServers": {
        "sql-mcp-tools": {
            "command": "uvx",
            "args": [
                "fastmcp-sqltools"
            ],
            "env": {
                "DATABASE_URL": "<your-database-url>"
            }
        }
    }
}

Database URL Format

The DATABASE_URL should be in one of the following formats:

• PostgreSQL: postgresql://user:password@host:port/database or postgres://user:password@host:port/database

• MySQL: mysql://user:password@host:port/database

• SQLite: sqlite:///path/to/database.db (use three slashes for absolute path)

License

This project is licensed under the GNU Affero General Public License v3.0 (AGPL-3.0). See the LICENSE file for details.