A SME of SWE: a plugin giving Claude Code the expertise of an Expert Software Engineer across every SWE area, while still inviting novice programmers to make gains on best-practice rails. Layers on top of `obra/superpowers`. Ships: - 38+ skills in super/duper/cat/tdd modifier families (20+ combinatoric variants) - Multi-phase `/expert-review` with language-specific + cloud + security lenses - `/sme-test` coaching-driven test authoring - `/tesseract` cross-session memory via file I/O (anchor + shelf + bulk-beings) - `/checkpoint-save` + `/checkpoint-resume` for work-state across sessions - Pre-tool `block-inline-scripts` hook (blocks multiline non-Bash scripts + enforces command length / separator limits) - Per-session cost tracking (`/cost_`, `/cost-opt`) via JSONL logs - Opinionated `CLAUDE.md` with model routing, Python/FastAPI style, pytest/behave standards Post-install, skills are invoked via slash commands: `/tdd`, `/super-duper-cat`, `/expert-review`, `/checkpoint-save`, `/tesseract`, etc. Full combinatoric table in `skills/README.md`.