python-skill

Compact Python skill catalogue for coding agents: one router, focused language skills, a verification selector, and a quality-tools guide.

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Common pitfalls

Updated Aug 23, 2026

Loading two language skills in one turn. Pick the one whose decision surface dominates and keep the other in reserve.
Routing an obvious five-line invariant through a verification ceremony instead of loading hypothesis directly.
Replacing a finite normative parameter table with generated values. The table is the specification.
Treating mutation testing as a build gate. The survivor list is a worklist; CI should publish the trend, not fail the build.
Profiling without a baseline. Pyinstrument is most useful as a before-and-after comparison.