skill-authoring

SKILL.md

Skills are modular, self-contained packages that extend Claude's capabilities by providing specialized knowledge, workflows, and tools. Think of them as "onboarding guides" for specific domains or tasks—they transform Claude from a general-purpose agent into a specialized agent equipped with procedural knowledge that no model can fully possess.

The context window is a public good. Skills share the context window with everything else Claude needs: system prompt, conversation history, other Skills' metadata, and the actual user request.

Default assumption: Claude is already very smart. Only add context Claude doesn't already have. Challenge each piece of information: "Does Claude really need this explanation?" and "Does this paragraph justify its token cost?"

Guide pour créer des compétences efficaces qui étendent les capacités de Claude. À utiliser lors de la création, de la mise à jour ou de l'amélioration des compétences, de l'apprentissage de la structure des compétences, de la divulgation progressive ou du dépannage des problèmes de compétences. Source : philoserf/claude-code-setup.

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