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mcp/harbor
Verified official

Diagrams MCP Server MCP

v0.5.2

io.github.mohammad-emad-dev/diagrams-mcp-server

Local-first MCP server for PlantUML and Mermaid diagrams with drift detection.

transport:stdio runtime:npm
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Target client

run in your project directory

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

claude mcp add diagrams-mcp-server -e PROJECT_ROOT=<PROJECT_ROOT> -e DIAGRAMS_DIR=<DIAGRAMS_DIR> -e PLANTUML_SERVER_URL=<PLANTUML_SERVER_URL> -e ALLOW_REMOTE_PLANTUML=<ALLOW_REMOTE_PLANTUML> -e DISABLE_REMOTE_PLANTUML=<DISABLE_REMOTE_PLANTUML> -- npx -y diagrams-mcp-server

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.