proof-skills

In the author's own words, from each skill's SKILL.md.

• formal-verify

  End-to-end formal-methods bug hunting for real codebases in any language — scope a risky concern, model it in TLA+ and/or Lean 4, check it, turn every counterexample into a failing test, fix the code, re-verify, and publish the results as an Artifact report. Use this skill whenever the user wants to find race conditions, lost updates, deadlocks, stale caches, double-applied retries, broken idempo…

  skills/formal-verify/SKILL.md on GitHub (opens in a new tab)

• lean-model

  Use this skill to prove or refute properties of real software in Lean 4. The target is the user's own code, not textbook math. It covers state machines, concurrency and interleavings, async handlers, retries and idempotency, queues, batching pipelines, and graph algorithms such as topological order, acyclicity and DAG scheduling. Trigger it when the user wants a guarantee for every input or size…

  skills/lean-model/SKILL.md on GitHub (opens in a new tab)

• proof-simplify

  Use verified TLA+ specs and Lean proofs to simplify real code safely — delete defensive checks the invariants make dead, remove locks/transactions/retries that do no work, collapse redundant states and flags, replace complex implementations with simpler ones proven equivalent, and encode invariants in types — re-verifying every change (re-check, refinement, reachable-state equivalence) before tou…

  skills/proof-simplify/SKILL.md on GitHub (opens in a new tab)

• tlaplus-model

  TLA+/TLC model-checking skill. Use it whenever TLA+, PlusCal, Quint, Apalache, TLC, a .tla/.cfg file, or model-checker output appears. That includes a pasted TLC error, "Invariant X is violated", or a State 1/State 2… counterexample trace the user wants explained or triaged (real bug, model artifact, or too-strong property), even if it looks answerable by reading alone. Also use it to write, run,…

  skills/tlaplus-model/SKILL.md on GitHub (opens in a new tab)

• lore

  Author, retrieve, and maintain OKF documentation with the lore CLI, including explicit multi-repository workspaces. Use whenever reading, writing, linking, moving, querying, or checking docs, so Story/Task coupling, managed blocks, provenance, and cross-links stay coherent. Run `lore instructions` for the canonical agent loop and `lore instructions <topic>` for just-in-time detail.

  .claude/skills/lore/SKILL.md on GitHub (opens in a new tab)

• quest

  Drive this repo's task tracker with the quest CLI instead of editing backlog/tracker state directly. Use whenever creating, listing, viewing, editing, completing, or archiving tasks, drafts, milestones, or decisions in a Quest-initialized workspace. Run `quest instructions --list` for the workflow guides and `quest help [command]` for full usage.

  .claude/skills/quest/SKILL.md on GitHub (opens in a new tab)

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