Interactive data-flow diagrams your AI agent can write. One SKILL.md — install in Claude Code, Cursor, Codex, and 11+ other clients via `npx openskills install naorsabag/openhop`.
RokoAI arch-diagram: a Claude Code & Codex skill that turns any repo or article into an animated architecture diagram (HTML / PNG / MP4 / GIF / Mermaid) with a live trace log
A Plantuml Claude Skill that can generate images and help you create Plantuml digrams from source code. It can also extract plantuml diagrams from a markdown file and then generate each of those to images and create a new markdown file with image links to those diagrams.