UML-MCP Server is a UML diagram generation tool based on MCP (Model Context Protocol), which can help users generate various types of UML diagrams through natural language description or directly writing PlantUML and Mermaid and Kroki https://uml-mcp.vercel.app/mcp
This repository also configures its own agents. See what uml-mcp tells them →
Skill Claude CodeCodex
Writes valid llm2d JSON for uml-mcp (diagramtype=llm2d, bundled plugin llm-visualizer). Use when the user asks for a neural network or LLM architecture as a 2D map, or an autoencoder, VAE or GAN; then call validateuml, then generateumlimage (chat PNG) or generateuml with outputformat html (interactive MCP App page).
Skill Claude CodeCodex
Writes valid llm3d JSON for uml-mcp (diagramtype=llm3d, bundled plugin llm-visualizer). Use when the user asks for the same model as a rotatable 3D scene: layer panels, with encoder and decoder funnels; then call validateuml, then generateumlimage (chat PNG) or generateuml with outputformat html (interactive MCP App…
Skill Claude CodeCodex
Writes valid stackdiagram JSON for uml-mcp (diagramtype=stackdiagram, bundled plugin stack-diagram). Use when the user asks for a stack or cloud diagram with icon tiles, nested vendor and region groups; then call validateuml, then generateumlimage (chat PNG) or generateuml with outputformat html (interactive MCP App…
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: