Create, edit, synchronize, inspect, test, and publish editable draw.io diagrams. Use when the user explicitly requests draw.io/diagrams.net, needs a polished architecture, ERD, UML, sequence, C4, SysML, BPMN, network…
Agent skill published as a SKILL.md in Agents365-ai/drawio-skill (folder skills/drawio-skill). Install it with one command using the open skills CLI, or copy the folder into ~/.claude/skills/.