Small, disciplined AI capabilities — each with a pre-declared kill criterion and real usage numbers.
Skill Claude CodeCodex
Assumption-driven venture validation that compounds founder judgment across sessions. Use whenever someone wants to pressure-test, stress-test, red-team, or validate a business or product idea, asks if an idea is worth building, wants a brutal or honest second opinion, says "convene the council", types "/crucible", or…
Skill Claude CodeCodex
Capture engineering knowledge as a promotion pipeline (CASE → JUDGMENT → PRINCIPLE → STANDARD) and retrieve answers from it. Capture is automatic — a post-session sweep drafts cases with status:auto; the user reviews them at /distill. Use whenever the user types "/history", "/case", or "/distill", says "log this…
Skill Claude CodeCodex
Evidence-driven task discipline for hard tasks. Use PROACTIVELY, mid-task as well as at the start, and specifically whenever any of these is true - the task has 3+ dependent steps; you are about to build on a file, API response, or dataset you have not opened; you are on the second failed attempt at the same fix; you…
Skill Claude CodeCodex
Use when the user says "session handoff", "wrap up session", "hand off", "handoff summary", "let's wrap up", "summarize before I clear", or wants a structured end-of-session summary before clearing context. Also use proactively when the user says they are about to /clear and no handoff has been produced yet. Generates…
Skill Codex
Edit, draft, or audit nonfiction prose for named writing patterns while preserving factual meaning and the writer's voice. Use for requests to sharpen, tighten, remove generic phrasing, or make nonfiction sound less AI-written. Do not use for fiction, poetry, screenwriting, code, translation, or internal summaries.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: