Software design · Mermaid
UML diagram maker
Generate class, sequence, state, and data-model diagrams from text, export SVG, and install the workflow as a Codex or Claude Code skill.
Developer field guides · runnable first
Practical AI tutorials and developer utilities that turn proven open-source tools into repeatable workflows for coding agents and software teams.
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Each tutorial starts with a working utility and ends with a reusable skill for your coding environment.
Software design · Mermaid
Generate class, sequence, state, and data-model diagrams from text, export SVG, and install the workflow as a Codex or Claude Code skill.