self-testing

Health checks for AI agent systems that also answer 'could I even tell?'. Unmeasurable never counts as green. One file, no dependencies.

A Claude Code metaskill that enforces a mandatory self-test → reflect → rework → quality-gate closed loop before any delivery, making the model accountable for its own output quality.

UI/UX design makeover skill for Claude Code. Audits your app, proposes complete directions, builds, and self-tests before you see the result. Stops AI-generic UI cold.

Practical shortcuts and science-backed techniques for learning German faster and remembering longer.

牛逼机场怎么判断：把这个说不清的词拆成线路是否如实、晚高峰失败率、倍率、入口稳定性、退款条款、售后可达性六项自测指标，四项付款前可完成。