skill-authoring

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Atualizado10 de julho de 2026 às 21:42

How to write and maintain Modelibr agent skills — compactness budget, structure template, staleness rules, what belongs in a skill vs the code vs CLAUDE.md. Use when creating or editing anything under .claude/skills/.

Instalação

Instalar com Codex ou Claude Copie este prompt, cole no Codex, Claude ou outro assistente e deixe que ele revise a página da skill e instale para você.

Fonte

Papyszoo

Papyszoo/Modelibr

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Ocupações relacionadasSOC

Baseado na classificação ocupacional SOC

Outras ocupações de informáticaInformática e Matemática·SOC 15-1299

SKILL.md

readonly

name	skill-authoring
description	How to write and maintain Modelibr agent skills — compactness budget, structure template, staleness rules, what belongs in a skill vs the code vs CLAUDE.md. Use when creating or editing anything under .claude/skills/.

Skill authoring (keep skills compact and specific)

Skills are loaded into agent context. Every line that doesn't change agent behavior is context pollution. The litmus for each line: "would an agent do something wrong without this?" If no — delete it.

Budget & tone

Target one screen (~90 lines) per skill. Hard signal to trim: scrolling.
No history, no changelogs, no "recently changed/added in PR #X", no narrative, no praise. Git holds the history.
State facts in present tense as checkable claims naming a file/symbol (CustomWebDavHandler.WriteFileAsync checks Stream.Null), so a reader can verify against code in seconds.

Structure template (in this order, sections optional)

Cardinal rule / traps — the things that break production or data if an agent doesn't know them. First, always.
Map — files with one-line roles. No file trees.
Rules — imperatives ("never X", "always Y via Z"), grouped by topic.
Testing — what coverage exists, what's manual, what gates apply.
Verify — exact commands to run before claiming done.

Maintenance rules

Code wins. If a skill claim contradicts the code, fix the skill in the same session (CLAUDE.md rule). Don't soften with "may have changed".
Prefer replace/delete over append. A feature that changes behavior rewrites the stale line; it doesn't add a second paragraph beside it.
Temporary state ("until prompt N lands") is allowed ONLY with the trigger that removes it — and landing prompt N must delete the clause.
Prompt/PR references only when they're the pointer to fuller context an agent may need, never as attribution.
description: frontmatter = trigger conditions, concrete paths ("Use when creating or editing anything under src/X") — that's what decides loading.
Don't duplicate CLAUDE.md or another skill; name the other skill instead.
One domain per skill. If a section serves a different audience/task, it's a different skill (or belongs in none).

Review checklist before committing a skill edit

Every new line passes the litmus test
No stale claims left in touched sections (grep the named symbols)
Still one screen-ish; something got deleted if something got added
Verify commands still correct

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name	skill-authoring
description	How to write and maintain Modelibr agent skills — compactness budget, structure template, staleness rules, what belongs in a skill vs the code vs CLAUDE.md. Use when creating or editing anything under .claude/skills/.

Skill authoring (keep skills compact and specific)

Budget & tone

Target one screen (~90 lines) per skill. Hard signal to trim: scrolling.
No history, no changelogs, no "recently changed/added in PR #X", no narrative, no praise. Git holds the history.
State facts in present tense as checkable claims naming a file/symbol (CustomWebDavHandler.WriteFileAsync checks Stream.Null), so a reader can verify against code in seconds.

Structure template (in this order, sections optional)

Cardinal rule / traps — the things that break production or data if an agent doesn't know them. First, always.
Map — files with one-line roles. No file trees.
Rules — imperatives ("never X", "always Y via Z"), grouped by topic.
Testing — what coverage exists, what's manual, what gates apply.
Verify — exact commands to run before claiming done.

Maintenance rules

Code wins. If a skill claim contradicts the code, fix the skill in the same session (CLAUDE.md rule). Don't soften with "may have changed".
Prefer replace/delete over append. A feature that changes behavior rewrites the stale line; it doesn't add a second paragraph beside it.
Temporary state ("until prompt N lands") is allowed ONLY with the trigger that removes it — and landing prompt N must delete the clause.
Prompt/PR references only when they're the pointer to fuller context an agent may need, never as attribution.
description: frontmatter = trigger conditions, concrete paths ("Use when creating or editing anything under src/X") — that's what decides loading.
Don't duplicate CLAUDE.md or another skill; name the other skill instead.
One domain per skill. If a section serves a different audience/task, it's a different skill (or belongs in none).

Review checklist before committing a skill edit

Every new line passes the litmus test
No stale claims left in touched sections (grep the named symbols)
Still one screen-ish; something got deleted if something got added
Verify commands still correct