Individual skill

skill-update

Skill creation, update and management — generates skill directory structure, validates against best practices, enforces line count limits. Use when creating, updating, or improving skills.

skills/skill-update/SKILL.md

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Scanner rules are current: No
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Observed behavior: Not checked yet
Last checked: Nov 5, 2026

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Repository stars (not skill ratings): 610
Repository last updated: Jul 29, 2026
License: MIT

Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.

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SKILL.mdcore · 4,902 bytes
reference/CONTENT.mddoc · 6,305 bytes
reference/FRONTMATTER.mddoc · 5,591 bytes
reference/ROUTING.mddoc · 2,783 bytes
reference/STRUCTURE.mddoc · 6,170 bytes

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# Skill Update

Generate or refine Claude Code skills following Anthropic best practices.

## Hard caps (enforced by `scripts/skill_linter.py`)

- `SKILL.md` ≤ 150 lines
- `reference/*.md` ≤ 200 lines (`reference/scenarios/*.md` ≤ 400 lines)
- `README.md` ≤ 100 lines
- Every `SKILL.md` has YAML frontmatter with `name` + `description`
- No `DO NOT` / `MUST NOT` / `NEVER` outside an `## Anti-Patterns` section
- No challenge-specific identifiers (machine names, lab IDs, lab IPs, preserved flags)
- Every Markdown link resolves to an existing file
- Every reference file is linked from at least one other file (no orphans)