Create branded architecture, IT current-state, flowchart, sequence, state machine, ER/data model, timeline, swimlane, quadrant, radar/spider, polar chart (polar/radial lollipop), loop/flywheel, nested, tree, org…

Agent skill published as a SKILL.md in cathrynlavery/diagram-design (folder skills/diagram-design). Install it with one command using the open skills CLI, or copy the folder into ~/.claude/skills/.