Skill Claude CodeCodex
Reason about shared state, races, and ordering before writing concurrent code.
Skill Claude CodeCodex
Reason about shared state, races, and ordering before writing concurrent code.
Skill Claude CodeCodex
Wait for a real condition or event, never a blind fixed-duration sleep.
Skill Claude CodeCodex
Build reliable, resumable data connectors and transforms (ETL).
Skill Claude CodeCodex
Change a schema safely on a live system — reversible, ordered, zero-downtime.
Skill Claude CodeCodex
Split independent work across parallel subagents with focused scope, then aggregate.
Skill Claude CodeCodex
Ship to production with staged rollout, health checks, and a fast rollback.
Skill Claude CodeCodex
Move slow/async work off the request path with a reliable worker queue.
Skill Claude CodeCodex
Handle failures deliberately — fail loud, recover narrow, never swallow.
Skill Claude CodeCodex
Map an unfamiliar codebase and find the right place to change before editing.
Skill Claude CodeCodex
When a request is unclear or underspecified, resolve it well instead of guessing.
Skill Claude CodeCodex
Receive inbound event callbacks securely and reliably.
Skill Claude CodeCodex
When production is broken — stop the bleeding first, diagnose second, learn third.
Skill Claude CodeCodex
Turn a vague report into a clear, reproducible, prioritized issue.
Skill Claude CodeCodex
Add, update, and audit third-party dependencies deliberately and safely.
Skill Claude CodeCodex
Instrument code so failures are diagnosable in production, without noise.
Skill Claude CodeCodex
Make it fast by measuring first — never optimize on a guess.
Skill Claude CodeCodex
Catch bad React in your changes — run react-doctor's deterministic scan and fix what it flags.
Skill Claude CodeCodex
Get a fresh-eyes review of your own change before calling it done.
Skill Claude CodeCodex
Change code structure without changing behaviour — tests green at every step.
Skill Claude CodeCodex
Review code defensively for injection, secrets, and trust-boundary flaws.
Skill Claude CodeCodex
Run a verifiable security scan (vulns, secrets, misconfig) over code you wrote or deps you added, before calling the work done.
Skill Claude CodeCodex
Throwaway exploration to learn the unknown, then delete it and build it properly.
Skill Claude CodeCodex
Reproduce, isolate the root cause, fix the cause not the symptom, then prove it.
Skill Claude CodeCodex
Write a failing test first, watch it fail, then write the minimal code to pass.