Content
22%Scale 1-5Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This skill is essentially a skeleton or outline with no actionable content. It names important email deliverability concepts and patterns but provides zero executable guidance—no DNS record examples, no code for queue implementation, no DKIM configuration, no bounce handling logic. The sharp edges table is particularly problematic as it identifies critical issues but leaves the solution column as empty comments.
Suggestions
Add concrete, executable examples for each pattern—e.g., actual SPF/DKIM/DMARC DNS record formats, a transactional email queue implementation with retry logic, and bounce webhook processing code.
Fill in the Sharp Edges 'Solution' column with actual solutions: real DNS record examples, IP warm-up schedules with specific daily volume numbers, and unsubscribe header implementation.
Add at least one complete workflow with sequenced steps and validation—e.g., 'Setting up email deliverability: 1. Configure SPF record → 2. Set up DKIM signing → 3. Validate with `dig` commands → 4. Configure DMARC → 5. Test with mail-tester.com'.
Remove the duplicated persona description from the body and the boilerplate 'When to Use' section to improve conciseness.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill repeats the persona description from the frontmatter in the body, and includes some filler ('You treat deliverability as infrastructure, not an afterthought'). The sharp edges table is reasonably compact but the 'Solution' column contains only comments with no actual solutions. The 'When to Use' section is boilerplate filler. | 3 / 5 |
Actionability | The skill provides no concrete code, commands, configurations, or executable guidance. Patterns are named but not implemented. The sharp edges table lists issues but the 'Solution' column contains only placeholder comments (e.g., '# Required DNS records:') with no actual DNS records, configurations, or code examples. | 1 / 5 |
Workflow Clarity | There are no sequenced steps, no workflows, no validation checkpoints. The patterns section names workflows (email queue, event tracking, template versioning) but provides zero implementation detail or step sequences. There is no guidance on how to actually perform any operation. | 1 / 5 |
Progressive Disclosure | The content is organized into logical sections (Patterns, Anti-Patterns, Sharp Edges) which provides some structure. However, there are no references to external files for detailed implementations, and the content that exists is too thin to warrant splitting. The structure is present but the sections are hollow. | 3 / 5 |
Total | 8 / 20 Passed |