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Erd Editor

Erd Editor is an MCP server that adds database tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Design database schemas as ERDs in your browser, VS Code, JetBrains IDEs or Obsidian. It has 1,731 GitHub stars, is released under the MIT license and runs locally with npx -y @dineug/erd-editor-mcp.

github.com/dineug/erd-editor (opens in a new tab)

Data as of from the GitHub API; description from the project's repository. Report an error

View on GitHub (opens in a new tab)

Install Erd Editor

Generated from the server's published package. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "erd-editor": {
      "command": "npx",
      "args": [
        "-y",
        "@dineug/erd-editor-mcp"
      ]
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --transport stdio erd-editor -- npx -y @dineug/erd-editor-mcp

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "erd-editor": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@dineug/erd-editor-mcp"
      ]
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "servers": {
    "erd-editor": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@dineug/erd-editor-mcp"
      ]
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

About Erd Editor

Design database schemas visually: in your browser, in your IDE, or by asking your coding agent Open erd-editor.io in your browser, nothing to install, or get it for VS Code, JetBrains IDEs, Obsidian and Google Drive.

  • erd
  • database
  • diagram
  • sql
  • code-generation
  • data-modeling
  • database-design
  • database-schema
  • dbml
  • ddl

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FAQ

Erd Editor FAQ

Still curious? Email info@appsgit.com.

How do I install the Erd Editor MCP server?

Add the command npx -y @dineug/erd-editor-mcp to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Erd Editor free?

The server is open source under the MIT license, so running it is free. It does not declare any required API key.

Is Erd Editor actively maintained?

The most recent commit was on Oct 25, 2026. The latest release is v4.2.0, published Oct 23, 2026. appsgit only lists MCP servers with a commit in the last six months.