Content
78%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.
A well-structured hub-and-reference skill: the body stays at the right altitude with concrete invariants, entitlements, error semantics, and verified one-level-deep references carrying the deep detail. Its weaknesses are moderate redundancy (repeated version caveats, duplicated reference listings) and the absence of any inline end-to-end workflow sequence or runnable example for the most common operations.
Suggestions
Deduplicate the reference listings (the two files appear in both 'Choose the workflow' and 'References') and state the iOS/iPadOS 26+ requirement once in a single platform section instead of six times.
Inline one compact, runnable end-to-end example — e.g., an NFC slot session (check isNFCSupported, create slot, withSession transmit, end session on all paths) — so the most common flow is executable without opening a reference file.
Tighten the overlap between 'Core invariants', 'Common Mistakes', and 'Review Checklist', which restate several of the same rules (status words, guarded optionals, NFC session teardown) three times.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The body is dense with framework-specific invariants and contains no concept over-explanation, but "iOS/iPadOS 26+" is repeated six times, the two reference files are listed twice (Choose-the-workflow and References sections), and several invariants are restated across the invariants/mistakes/checklist sections. Efficient with trimmable redundancy — anchor 4 rather than the every-token-earns-its-place anchor at 5. | 4 / 5 |
Actionability | Concrete guidance throughout: an executable guard-let snippet, exact entitlement strings ("com.apple.ctk-tokens", "com.apple.ctk.driver-class"), named delegate methods, and an error-to-response table. However, the common flows (APDU exchange, PIN verification, keychain query) have no inline runnable examples — that detail is deferred to the reference files — so it falls short of the copy-paste-ready coverage of anchor 5. | 4 / 5 |
Workflow Clarity | Task-to-reference routing is unambiguous, validation requirements are explicit ("Check every APDU status word", "Verify token presence before queries"), and the error table plus review checklist provide recovery and verification checkpoints. The body lacks a consolidated step sequence for its main flows (e.g., the NFC session lifecycle), which keeps it at anchor 4's "minor validation/sequence gaps" rather than 5. | 4 / 5 |
Progressive Disclosure | The body is a genuine overview (architecture, invariants, routing) and both referenced files are real, well-organized, one level deep, with clear topic-based routing in "Choose the workflow"; the cross-link between the two references is lateral rather than a nested chain, and the 797-line pattern detail is appropriately externalized. This matches the clear-overview/well-signaled-references anchor. | 5 / 5 |
Total | 17 / 20 Passed |