Content
92%Weight 40%Scale 1-5Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
An exemplary SKILL.md body: directive, dense with security invariants, a fully executable reference example, validation-gated migration workflow, and textbook progressive disclosure across a real, verified reference bundle. The only trimmable redundancy is the double enumeration of the reference files in both the Reference Loading table and the References catalog.
Suggestions
Merge the Reference Loading table and the References catalog into a single table with columns for trigger and one-line purpose, eliminating the duplicate 14-file enumeration and saving roughly 20 lines.
Consider trimming the Contents TOC (8 anchors) since the body is short enough for section headers to serve as navigation, further reducing token overhead.
Define or briefly stub KeychainError in the inline example (one line) so the sample code is fully self-contained without needing a reference file.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The body is lean and directive — no concept explanations Claude already knows, one compact code example, and dense invariants/checklists that earn their tokens. It falls short of anchor 5 only because the 14 reference files are enumerated twice in full (the Reference Loading table and the References catalog), a duplication that could be merged into one mapping. Not 3 because nothing is padded or over-explained. | 4 / 5 |
Actionability | The 'Minimum Safe Keychain Write' is a complete, copy-paste-ready Swift function with full OSStatus branching (errSecSuccess / errSecDuplicateItem / default), and the surrounding guidance is concrete: a task→file decision table, an explicit severity taxonomy (CRITICAL/HIGH/MEDIUM), and per-item review checks. This matches anchor 5; the only trivially minor gap (KeychainError is referenced but not defined) does not reduce executability given the rubric's instruction to assume Claude's competence. | 5 / 5 |
Workflow Clarity | The Workflow section classifies requests into three numbered paths, and the migration path includes an explicit validation checkpoint before a destructive step ('preserve existing data, verify the new item, then remove legacy storage only after success'). The Review Checklist supplies a per-item pass/fail checklist, matching anchor 5's 'explicit validation steps; checklists for complex processes'. The destructive-operation cap at 3 does not apply because validation-before-removal is explicitly sequenced. | 5 / 5 |
Progressive Disclosure | The body is a lean overview that explicitly instructs 'Do not load every reference file by default', provides a task→file mapping table for navigation, and pushes all detail into 14 one-level-deep reference files that all exist on disk (verified against references/, e.g. keychain-fundamentals.md with its own scoped contents). This matches anchor 5: clear overview, well-signaled one-level-deep references, easy navigation. | 5 / 5 |
Total | 19 / 20 Passed |