Convert Mermaid/draw.io/excalidraw Sources Into Themed Diagrams

An Agent Skill (Claude Code, Codex, Pi, Factory Droid plugin) that generates editorial-quality diagrams as self-contained HTML+SVG, with ~50 layout types and importers for Mermaid, draw.io, and Excalidraw. No build step, JS, or external images.

Skills | HTML · agent-skills · diagrams