# Erd Editor (MCP server)

> 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.

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.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/dineug/erd-editor |
| GitHub stars | 1,731 |
| License | MIT |
| Language | TypeScript |
| Transport | stdio |
| Packages | npm: @dineug/erd-editor-mcp |
| Remote URL | none |
| Needs API key | no |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | Databases |
| Latest release | v4.2.0 (Oct 23, 2026) |
| Last commit | Oct 25, 2026 |

## Install

### Claude Desktop (claude_desktop_config.json)

```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

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

### Cursor (.cursor/mcp.json)

```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)

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

Config formats checked against the official docs on 2026-10-07.

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