email-marketing
Craft A/B test variants, optimize open rates, and structure drip campaigns for marketing emails. Trigger when a user explicitly requests a "marketing email," "email sequence," "marketing CTA," or "optimize subject lines." Do not use for standard or internal correspondence.
94
92%
Does it follow best practices?
Impact
95%
1.72xAverage score across 3 eval scenarios
Passed
No known issues
Quality
Discovery
100%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 an excellent skill description that hits all the key criteria. It provides specific concrete actions, includes natural trigger terms users would actually say, explicitly states both what the skill does and when to use it, and clearly distinguishes itself from general email writing skills with explicit negative scope.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Lists multiple specific concrete actions: 'Craft A/B test variants', 'optimize open rates', and 'structure drip campaigns'. These are clear, actionable capabilities in the marketing email domain. | 3 / 3 |
Completeness | Clearly answers both what (A/B test variants, optimize open rates, structure drip campaigns) AND when with explicit 'Trigger when' clause. Also includes helpful negative scope ('Do not use for standard or internal correspondence'). | 3 / 3 |
Trigger Term Quality | Includes natural keywords users would say: 'marketing email', 'email sequence', 'marketing CTA', 'optimize subject lines'. These are terms marketers naturally use when requesting this type of help. | 3 / 3 |
Distinctiveness Conflict Risk | Clear niche focused specifically on marketing emails with explicit boundary excluding 'standard or internal correspondence'. The specific triggers like 'A/B test', 'drip campaigns', and 'marketing CTA' create a distinct profile unlikely to conflict with general email skills. | 3 / 3 |
Total | 12 / 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 strong, well-structured skill that provides actionable email marketing guidance with clear workflows and validation checkpoints. The three-phase approach with explicit user confirmation points demonstrates good process design. Minor verbosity in explaining concepts Claude already understands (basic copywriting principles, what bulletproof buttons are) slightly reduces token efficiency.
Suggestions
Trim explanatory text in sections like 'Readability' and 'Image Independence' that describe concepts Claude already knows—keep only the specific rules to apply.
Consider removing the definition of bulletproof buttons and just provide the HTML template with a brief usage note.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill is reasonably efficient but includes some unnecessary explanation (e.g., explaining what bulletproof buttons are, general copywriting concepts Claude already knows). The HTML snippet and structured output template earn their place, but sections like 'Readability' describe basic practices. | 2 / 3 |
Actionability | Provides fully executable guidance with specific HTML code for CTAs, concrete subject line examples with character counts, exact output structure templates, and clear A/B testing methodology. The copy-paste ready HTML snippet and structured output format are immediately usable. | 3 / 3 |
Workflow Clarity | Clear three-phase workflow with explicit validation checkpoints after Phase 1 ('Pause here. Ask the user to confirm') and Phase 3 ('Prompt the user for feedback'). The sequence is unambiguous with numbered steps and feedback loops built into the process. | 3 / 3 |
Progressive Disclosure | Well-organized with clear sections, appropriate use of headers, and a single one-level-deep reference to DRIP_CAMPAIGNS.md for extended content. The main skill stays focused on core email drafting while appropriately deferring automation sequences to a separate file. | 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.
- Repository
- davidkogit/public-skills
- Commit
e3c0149
- Reviewed
Table of Contents
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