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mcp/harbor
Verified official

uml.singsk.com PlantUML MCP

v1.1.0.2

com.singsk/uml-plantuml

Render, validate, encode/decode PlantUML diagram-as-code; 22 diagram types. Free, no auth.

transport:streamable-http
Website

Target client

run in your project directory 

claude mcp add --transport http uml-plantuml https://uml.singsk.com/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.