When the user wants to write, rewrite, or improve marketing copy for any page — including homepage, landing pages, pricing pages, feature pages, about pages, or product pages. Also use when the user says "write copy for," "improve this copy," "rewrite this page," "marketing copy," "headline help," "CTA copy," "value proposition," "tagline," "subheadline," "hero section copy," "above the fold," "this copy is weak," "make this more compelling," or "help me describe my product." Use this whenever someone is working on website text that needs to persuade or convert. For email copy, see email-sequence. For popup copy, see popup-cro. For editing existing copy, see copy-editing.
92
87%
Does it follow best practices?
Impact
94%
1.06xAverage score across 6 eval scenarios
Passed
No known issues
Quality
Discovery
89%Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.
This is a strong skill description with excellent trigger term coverage and completeness. The explicit cross-references to related skills (email-sequence, popup-cro, copy-editing) are a notable strength that reduces ambiguity. The main weakness is that the core capabilities could be more specific — listing concrete deliverables rather than just 'write, rewrite, or improve.'
Suggestions
Replace the generic 'write, rewrite, or improve marketing copy' with more specific actions like 'Crafts headlines, CTAs, value propositions, hero section copy, and full-page marketing copy for websites.'
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | The description names the domain (marketing copy) and lists page types (homepage, landing pages, pricing pages, etc.), but the actual actions are somewhat generic — 'write, rewrite, or improve marketing copy' rather than listing specific concrete deliverables like 'craft headlines, write CTAs, develop value propositions, structure hero sections.' | 2 / 3 |
Completeness | Clearly answers both 'what' (write/rewrite/improve marketing copy for various page types) and 'when' (explicit 'Use when' triggers and an extensive list of trigger phrases). Also includes helpful boundary-setting with cross-references to related skills (email-sequence, popup-cro, copy-editing). | 3 / 3 |
Trigger Term Quality | Excellent coverage of natural trigger terms users would actually say: 'write copy for,' 'improve this copy,' 'headline help,' 'CTA copy,' 'value proposition,' 'tagline,' 'hero section copy,' 'above the fold,' 'make this more compelling,' 'help me describe my product.' These are highly natural and comprehensive. | 3 / 3 |
Distinctiveness Conflict Risk | The description carves out a clear niche (website marketing copy that persuades/converts) and explicitly delineates boundaries by referencing adjacent skills for email copy, popup copy, and copy editing, significantly reducing conflict risk. | 3 / 3 |
Total | 11 / 12 Passed |
Implementation
85%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This is a well-structured copywriting skill that provides actionable frameworks, concrete examples, and clear workflow guidance. Its main weakness is moderate verbosity—some sections explain writing fundamentals Claude already knows (active voice, specificity, clarity over cleverness). The progressive disclosure is excellent with appropriate references to detailed frameworks and related skills.
Suggestions
Trim the 'Writing Style Rules' and 'Copywriting Principles' sections significantly—Claude already knows to prefer active voice, simple words, and specificity. Keep only the domain-specific guidance like the 'Honest over sensational' point about fabricated statistics.
Condense the 'Best Practices' section; the Slack example is useful but the explanations of why rhetorical questions and analogies work are unnecessary for Claude.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill is reasonably well-structured but includes some unnecessary explanation that Claude already knows (e.g., 'Features: What it does. Benefits: What that means for the customer,' basic writing style rules like active vs passive voice). Some sections like 'Be Direct' and 'Use Rhetorical Questions' explain concepts Claude inherently understands. However, the examples and frameworks add genuine value. | 2 / 3 |
Actionability | The skill provides concrete, actionable guidance throughout: specific headline formulas, CTA examples with good/bad comparisons, a clear page structure framework with section purposes, and a defined output format. The before-writing checklist gives Claude specific questions to ask, and the page-specific guidance provides clear direction for each page type. | 3 / 3 |
Workflow Clarity | The workflow is clearly sequenced: check for existing context → gather missing information → apply principles → write using page structure framework → output in specified format → use copy-editing skill for review. The cross-reference to copy-editing as a post-draft validation step serves as a feedback loop. For a non-destructive creative task, this level of workflow clarity is appropriate. | 3 / 3 |
Progressive Disclosure | The skill provides a clear overview with well-signaled one-level-deep references to 'references/copy-frameworks.md' and 'references/natural-transitions.md' for detailed content. Related skills are clearly listed at the end with brief descriptions of when to use each. The main content stays at an appropriate level of detail without becoming monolithic. | 3 / 3 |
Total | 11 / 12 Passed |
Validation
100%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 11 / 11 Passed
Validation for skill structure
No warnings or errors.
2c7c108
Table of Contents
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