13 AI-powered UML diagram tools for coding agents. Generates class, sequence, state, ER, threat model, deployment and architecture diagrams in Mermaid syntax. Works in Claude Code, Cursor and Windsurf.
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process.env. You'll be asked to provide them before it can run.UMLFORGE_API_KEY— "": "your-api-key-here"UMLFORGE_GUIDED_MODE[](https://m8ven.ai/mcp/dave1362-umlforge-connector-15o9dg)