Simon Heimlicher

Spec-Driven Engineering for Python and TypeScript

Standalone /commit, /handoff, /pickup for projects without the spx CLI

Claude Code meta-skills: /creating-skills

Frontend design: /designing-frontend skill

Behavior-driven testing: /testing (foundational)

TypeScript engineering: /testing-typescript, /coding-typescript, /reviewing-typescript, /architecting-typescript, /reviewing-typescript-architecture, typescript-simplifier agent

Python engineering: /testing-python, /coding-python, /reviewing-python, /architecting-python, /reviewing-python-architecture

Legacy specs/ projects: /managing-specs, /understanding-specs

Legacy Outcome Engineering (spx/): /writing-prd, /managing-spx, /understanding-spx, /decomposing-*, migration agents

Prose craft: /writing-prose (always active), /reviewing-prose (on request)

Spec Tree: /understanding, /contextualizing, /bootstrapping, /authoring, /decomposing, /refactoring, /aligning, /testing, /reviewing-tests, /coding, /committing-changes, /bootstrap, /author, /commit, /handoff, /pickup, /rtfm, /clarify

Visual diagrams: /excalidrawing (Excalidraw JSON generation)