# Core (SQLite support included)
pip install mcp

# PostgreSQL support
pip install psycopg2-binary

# MySQL support
pip install mysql-connector-python

python server.py

{
  "mcpServers": {
    "database": {
      "command": "python",
      "args": ["/path/to/database-universal-mcp/server.py"]
    }
  }
}

Tool: list_tables
Input: {"connection_string": "/Users/me/data/app.db"}
Output: {"tables": ["users", "orders", "products"], "count": 3, "db_type": "sqlite"}

Tool: describe_table
Input: {"connection_string": "/Users/me/data/app.db", "table_name": "users"}
Output: {"columns": [{"name": "id", "type": "INTEGER", "primary_key": true}, {"name": "email", "type": "TEXT", "nullable": false}], "row_count": 1523}

Tool: query_sql
Input: {"connection_string": "postgresql://admin:secret@localhost/myapp", "sql": "SELECT name, email FROM users WHERE created_at > '2026-01-01' LIMIT 10"}
Output: {"columns": ["name", "email"], "rows": [{"name": "Alice", "email": "alice@example.com"}, ...], "row_count": 10}

Tool: insert_row
Input: {"connection_string": "/tmp/test.db", "table_name": "notes", "data": {"title": "Meeting notes", "body": "Discussed Q2 roadmap", "created_at": "2026-04-13"}}
Output: {"message": "Inserted 1 row into notes"}

Tool: export_to_csv
Input: {"connection_string": "/Users/me/data/app.db", "sql": "SELECT * FROM orders WHERE total > 100"}
Output: {"output": "/tmp/export_20260413_143022.csv", "rows_exported": 47}