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DiagramZu is an MCP server that lets Claude, Cursor, ChatGPT — any MCP client — create and update Mermaid diagrams in your workspace. Your AI authors the diagram from your conversation; your team reads, comments on, and shares it at a clean URL.

Transport
streamable-http
Auth
smithery_api_key
Cost

How to connect

MCP endpoint (streamable-http)
https://server.smithery.ai/jack08300/diagramzu-mcp/mcp
JSON-RPC initialize probe
curl -X POST https://server.smithery.ai/jack08300/diagramzu-mcp/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'
Homepage
https://diagramzu.ai
Listed at (smithery)
https://diagramzu.ai