erd-designer

by kajitiluna · Databases · ★ 27

erd-designer is an MCP server by kajitiluna. Free, open-source ERD designer for browser, VS Code & Google Drive — with AI agent integration (MCP / Claude Code plugin). DDL export for 7 databases. It has 27 GitHub stars and ranks #310 of 630 in Databases by stars.

Category: Databases
Author: kajitiluna
GitHub stars: 27
This week: Tracking since 18 Oct 2026
Language: TypeScript
License: Apache-2.0 (open source)
Last update: 2026-10-22 (2 days ago)
Links: Source Website

agent-skills
ai-agents
bigquery
claude-code
database
database-design
ddl
entity-relationship-diagram
er-diagram
erd
erd-design
mcp
+7 more

How to install erd-designer

Install steps differ per project, so follow the README in the erd-designer repository. Most MCP servers start with a single command (npx -y <package>, uvx <package> or a Docker image) that you add to your client's config. The install guide shows where that goes in Claude Code, Claude Desktop, Cursor and VS Code.

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Frequently asked questions

What is erd-designer?

erd-designer is an MCP server by kajitiluna in the Databases category. Free, open-source ERD designer for browser, VS Code & Google Drive — with AI agent integration (MCP / Claude Code plugin). DDL export for 7 databases. It has 27 GitHub stars and ranks #310 of 630 in Databases by stars.

Is erd-designer free and open source?

Yes. erd-designer is published under the Apache-2.0 license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.

What are the alternatives to erd-designer?

Other Databases projects on MCP Harbor include Chat2DB, dbx, mcp-toolbox. Each alternative links to its own page with stars, license and recent activity. The Databases category ranks all 630 by stars, and you can re-sort it by growth this week.

Alternatives to erd-designer

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Data last updated 25 October 2026. Stars and downloads are refreshed every day from GitHub and npm.