ER Flow
Click to design your database. AI to build. MCP to connect.
What is ER Flow?
Build your database schema visually — add tables with a click, define typed columns inline, and drag to create relationships. No other tool makes it this fast. ERFlow's MCP Server connects to AI coding tools like Cursor and Claude Code, letting AI create and modify your schema in real-time. Connect directly to PostgreSQL, MySQL, or SQLite to run queries inside the modeling tool. Includes real-time collaboration, migration generation, and schema versioning. Free plan available.
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