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VS Code

UML Forge for VS Code

io.github.dave1362/umlforge

Architecture intelligence, security analysis, and living docs. 14 Mermaid tools.

client:VS Code transport:stdio runtime:pypi

Install UML Forge in VS Code

.vscode/mcp.json 

{
  "inputs": [
    {
      "type": "promptString",
      "id": "umlforge-api-key",
      "description": "UMLFORGE_API_KEY",
      "password": true
    }
  ],
  "servers": {
    "umlforge": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "umlforge"
      ],
      "env": {
        "UMLFORGE_API_KEY": "${input:umlforge-api-key}"
      }
    }
  }
}

VS Code prompts for each input the first time the server starts, so no secret is written to the file. VS Code docs

UML Forge in other clients

UML Forge MCP server