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skill-builder-generic

Universal guide for creating production-ready Claude Code skills for any project. Includes 6-step workflow (understand, plan, initialize, edit, package, iterate), progressive disclosure design, YAML frontmatter templates, validation scripts, reference organization patterns, and 10 community-proven innovations. Use when creating new Claude Code skills, converting documentation to skills, improving existing skills, or learning skill development best practices for any domain.

Quality

77%

Does it follow best practices?

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SecuritybySnyk

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tessl review fix ./.claude/skills/skill-builder-generic/SKILL.md

The canonical home for this skill is skill-builder-generic in fernandezbaptiste/Skrillz

SKILL.md
Quality
Evals
Security

Quality

Content

62%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

The body delivers a genuinely clear, actionable 6-step creation workflow with strong validation and feedback structure, and its references are real, descriptive, and one level deep. But it violates its own progressive-disclosure doctrine: ~3,300 words with three separate re-explanations of progressive disclosure, inlined checklists duplicating references/validation-checklist-complete.md, and a phantom templates/ directory make it noticeably verbose and partially mis-structured.

Suggestions

Consolidate the four repeated progressive-disclosure passages (Core Principles, Step 2 planning, Deep Dive, Summary, and the 'SKILL.md too large' troubleshooting entry) into one canonical section and delegate depth to references/progressive-disclosure-architecture.md, keeping only the level-1/2/3 rule and one good/bad link example inline.

Replace the inlined 32-item validation checklists in Step 5 with a short summary (counts + how to run scripts/validate-skill.py and read its exit codes) and point to references/validation-checklist-complete.md, since the checklist is already bundled there.

Move the '10 Community Innovations' and 'Automation Tools Overview' sections into references/ (linking them as one-liners), remove or de-scope the missing templates/ directory reference, and strip time-sensitive footer metadata ('Version: 1.0', 'Last Updated: October 25, 2025') or move it to a changelog reference.

DimensionReasoningScore

Conciseness

The ~3,300-word body repeats the same material in several places: progressive disclosure is explained in 'Core Principles', 'Progressive Disclosure Planning' (Step 2), the 'Progressive Disclosure Deep Dive', 'Common Patterns Summary', and the 'SKILL.md too large' troubleshooting entry; writing-style guidance appears in 'Core Principles', Step 4's 'Writing Guidelines', and the summary; the Step 5 checklists restate what references/validation-checklist-complete.md and validate-skill.py already cover. It also spends tokens on concepts Claude already knows (context-window arithmetic with invented token counts, '5x context efficiency!') and embeds time-sensitive metadata ('Last Updated: October 25, 2025', 'Version: 1.0') outside any deprecated/old-patterns section. This is 'noticeably verbose; several unnecessary explanations or padded sections' (anchor 2) rather than the mostly-efficient anchor 3.

2 / 5

Actionability

Most guidance is executable: scaffold commands ('mkdir -p .claude/skills/skill-name', heredoc SKILL.md template), real script invocations ('python scripts/validate-skill.py skill-name/', 'python scripts/init-skill.py skill-name --template workflow'), and complete YAML frontmatter and SKILL.md templates. Minor gaps keep it at anchor 4: the '10 Community Innovations' section mostly describes ideas rather than instructing how to apply them, and the body advertises a templates/ directory that does not exist in the bundle.

4 / 5

Workflow Clarity

The 6-step process is clearly sequenced, with each step given an objective, questions/output, and pointers to references; validation is a dedicated step (Step 5) with per-phase checklists, documented exit codes (0=pass, 1=fixable, 2=fatal), and automated scripts; error recovery is covered via the troubleshooting causes/fixes pattern and the Step 6 iterate/feedback loop. This matches anchor 5: explicit validation steps, feedback loops for error recovery, and checklists.

5 / 5

Progressive Disclosure

The bundle structure is real and well-signaled — all 8 references/ and 4 scripts/ files exist and are linked with descriptive 'See references/... for X' phrases one level deep. However, content that clearly belongs in those references is still inlined in the ~1,000-line SKILL.md: the full 32-item validation checklists duplicate references/validation-checklist-complete.md, the four organizational-pattern deep dives and the '10 Community Innovations' and 'Automation Tools Overview' sections are reference material, and the 'To Use Templates' section points to a templates/ directory that is absent from the bundle. This matches anchor 3 ('content that should be separate is inline') better than anchor 4's 'minor organization gaps'.

3 / 5

Total

14

/

20

Passed

Description

87%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

A strong description: it explicitly states what the skill contains (feature-by-feature) and when to use it, with natural, varied trigger phrases. The only weakness is that its capability list reads slightly more like a table of contents than a set of performable actions, and a few natural trigger synonyms are absent.

DimensionReasoningScore

Specificity

The description enumerates concrete capabilities — '6-step workflow (understand, plan, initialize, edit, package, iterate), progressive disclosure design, YAML frontmatter templates, validation scripts, reference organization patterns, and 10 community-proven innovations' — giving several specific actions with only minor gaps (e.g., it describes bundled assets rather than actions like 'validate' or 'package'). It falls between anchor 4 (several specific actions, minor gaps) and anchor 5 (fully comprehensive); the listed items are features/contents rather than an exhaustive action inventory, so 4 fits best.

4 / 5

Completeness

Both questions are explicitly answered: the 'what' is 'Universal guide for creating production-ready Claude Code skills... Includes [feature list]' and the 'when' is an explicit 'Use when creating new Claude Code skills, converting documentation to skills, improving existing skills, or learning skill development best practices' clause with concrete trigger phrases — the anchor-5 pattern.

5 / 5

Trigger Term Quality

Triggers are natural phrases users would say: 'creating new Claude Code skills, converting documentation to skills, improving existing skills, or learning skill development best practices'. Coverage is good but a few natural variations are missing (e.g., 'authoring skills', 'SKILL.md', 'skill templates'), matching anchor 4 rather than the comprehensive synonym/extension coverage of anchor 5.

4 / 5

Distinctiveness Conflict Risk

It occupies a clear niche (building Claude Code skills themselves — a meta-skill) with distinct trigger phrases ('Claude Code skills', 'documentation to skills', 'skill development best practices') that are unlikely to fire for unrelated skills, matching the anchor-5 'clear niche with distinct triggers; minimal conflict risk'.

5 / 5

Total

18

/

20

Passed

Validation

75%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 12 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

skill_md_line_count

SKILL.md is long (998 lines); consider splitting into references/ and linking

Warning

allowed_tools_field

'allowed-tools' contains unusual tool name(s)

Warning

relative_links

Relative link issues: 5 missing

Warning

referenced_paths_exist

Referenced path issues: 7 missing

Warning

Total

12

/

16

Passed

Repository

fernandezbaptiste/Skrillz

Path

.claude/skills/skill-builder-generic/SKILL.md

Reviewed

Table of Contents

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