Generate structured PR descriptions from diffs, add review checklists, risk assessments, and test coverage summaries. Use when the user says "write a PR description", "improve this PR", "summarize my changes", "PR review", "pull request", or asks to document a diff for reviewers.
88
82%
Does it follow best practices?
Impact
100%
2.04xAverage 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 marks. It provides specific concrete actions, comprehensive natural trigger terms, explicit 'Use when' guidance, and a clearly distinct niche focused on PR description generation and review documentation. It follows the third-person voice convention and is concise without being vague.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Lists multiple specific concrete actions: 'Generate structured PR descriptions from diffs', 'add review checklists', 'risk assessments', and 'test coverage summaries'. These are all distinct, concrete capabilities. | 3 / 3 |
Completeness | Clearly answers both 'what' (generate structured PR descriptions, add checklists, risk assessments, test coverage summaries) and 'when' with an explicit 'Use when...' clause listing specific trigger phrases. | 3 / 3 |
Trigger Term Quality | Excellent coverage of natural trigger terms users would say: 'write a PR description', 'improve this PR', 'summarize my changes', 'PR review', 'pull request', 'document a diff for reviewers'. Covers both abbreviations and full terms. | 3 / 3 |
Distinctiveness Conflict Risk | Clearly scoped to PR/pull request description generation and review documentation. The specific triggers like 'PR description', 'pull request', and 'document a diff for reviewers' create a distinct niche unlikely to conflict with general code review or git commit message skills. | 3 / 3 |
Total | 12 / 12 Passed |
Implementation
64%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
A solid, actionable skill with a well-designed PR template and clear categorization rules that provide real value to Claude. Its main weaknesses are the lack of validation checkpoints in the workflow (e.g., verifying the generated description covers all diff changes) and some boilerplate content (Limitations section, partially redundant 'When to Use') that could be trimmed. The referenced bundle file doesn't exist, slightly undermining the progressive disclosure structure.
Suggestions
Add a validation step after generating the PR description, e.g., 'Verify every changed file from --stat appears in the Changes table and no categories are missed.'
Remove or significantly trim the generic Limitations section — it adds no skill-specific safety guidance and wastes tokens.
Provide the referenced `resources/implementation-playbook.md` bundle file or remove the reference if it doesn't exist.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | Mostly efficient but has some unnecessary padding — the 'When to Use' bullets partially restate the description, and the Limitations section is boilerplate that doesn't add skill-specific value. The template and checklist rules are well-structured and earn their tokens. | 2 / 3 |
Actionability | Provides a concrete, copy-paste-ready PR template in markdown, specific git commands, a clear categorization table for review checklists, and actionable thresholds (>500 lines, >20 files/1000 lines) for triggering specific behaviors. | 3 / 3 |
Workflow Clarity | The 5-step workflow is clearly sequenced and the splitting guidance adds a useful branch point, but there are no validation or verification checkpoints — e.g., no step to verify the generated description against the actual diff or confirm completeness before posting. | 2 / 3 |
Progressive Disclosure | References `resources/implementation-playbook.md` for advanced helpers, which is good progressive disclosure, but no bundle files are provided so the reference is unverifiable. The content is reasonably structured with sections but the checklist rules table could arguably live in a separate reference file to keep the main skill leaner. | 2 / 3 |
Total | 9 / 12 Passed |
Validation
90%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 10 / 11 Passed
Validation for skill structure
| Criteria | Description | Result |
|---|---|---|
frontmatter_unknown_keys | Unknown frontmatter key(s) found; consider removing or moving to metadata | Warning |
Total | 10 / 11 Passed | |
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Table of Contents
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