Writing great skills

Source of truth for skill-authoring vocabulary and predictability principles.

Adapted from mattpocock/skills writing-great-skills (MIT © 2026 Matt Pocock).

A skill exists to wrangle determinism out of a stochastic system. Predictability — the agent taking the same process every run, not producing the same output — is the root virtue; every lever below serves it.

Read references/research-basis.md when calibrating authoring claims. Do not load by habit.

Bold terms are defined in references/glossary.md; look them up there for the full meaning.

Invocation

Two choices, trading different costs: