Skill Claude CodeCodex
Instrumentation is directed, not preventive — add observability only when confirmed pain exists. Follow industry standards (OpenTelemetry, structured logging, performance.now()). Use when implementing metrics, tracing, performance debugging, or asking whether instrumentation is needed.
Skill Claude CodeCodex
Permanent learning — AI agent proposes learnings from sessions, user approves in chat, integrations saved to auto-loaded files. Triggers on session end or manual /learn command. Use when consolidating discoveries, user says learn/consolidate/document, or end-of-session signals.
Skill Claude CodeCodex
PROGRESS.md as executive dashboard in business/product projects — track phase, metrics, milestones. Use when starting a business or product project, during MVP/phase tracking, when asking about project status dashboards, or when implementing impact metrics.
Skill Claude CodeCodex
Observe facts, not promises — prefer kernel/runtime event streams (docker events, inotify, K8s watch, fanotify, journald) over application-level webhooks/callbacks. Use when designing reactive integrations to external system events, building event-driven architectures, and avoiding silent integration failures across…
Skill Claude CodeCodex
Collect sensitive values from users via secure local prompts, never in chat. Use when asking for API keys, tokens, passwords, or any secret that should remain hidden from logs.
Skill Claude CodeCodex
API key and token strategy — one token per purpose, least-privilege separation, distinct scopes for CI/automation vs. manual operations vs. read-only access. Use when designing token/credential architecture, rotating credentials, setting up API access for multi-purpose systems, or implementing least-privilege token…
Skill Claude CodeCodex
Keep versions up-to-date — every production change bumps the version in the same commit. Semantic versioning rules. Special handling for WXT browser extensions (version in wxt.config.ts, not package.json). Use when working with version, release, semver, changelog, MAJOR.MINOR.PATCH, breaking change, or deploying code.