swiftdata-pro

Writes, reviews, and improves SwiftData code using modern APIs and best practices. Use when reading, writing, or reviewing projects that use SwiftData.

0.94x

Quality

86%

Does it follow best practices?

Impact

84%

0.94x

Average score across 3 eval scenarios

Securityby

Passed

No findings from the security scan

Quality

Content

86%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

A well-structured review skill with concrete executable examples, a clear conditional workflow, and excellent progressive disclosure through verified reference files. Adding an explicit 'verify each finding is genuine' checkpoint would round out the workflow.

Dimension	Reasoning	Score
Conciseness	The body is lean and assumes Claude's competence, with no over-explanation of SwiftData concepts; the worked example output is concrete and useful but somewhat lengthy, leaving minor trimmable material.	4 / 5
Actionability	Provides fully executable, copy-paste-ready before/after Swift examples (delete rules, predicate crash fix, @Query misuse) covering common cases alongside specific directives like 'Target Swift 6.2 or later'.	5 / 5
Workflow Clarity	The numbered review process (1-5) with conditional branches for CloudKit/iOS 18+/iOS 26+ is clearly sequenced, but there is no explicit verification checkpoint confirming findings are genuine beyond the one-line 'do not nitpick' instruction.	4 / 5
Progressive Disclosure	Offers a clear overview with well-signaled, verified one-level-deep reference files (core-rules, predicates, cloudkit, indexing, class-inheritance) and explicit guidance to load only relevant files, with content appropriately split.	5 / 5
	Total	18 / 20 Passed

Description

87%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

A strong, third-person description that clearly states capabilities and provides an explicit 'Use when' trigger clause tied to a specific framework. Minor room to tighten the generic 'best practices' phrasing.

Dimension	Reasoning	Score
Specificity	Names the SwiftData domain and three concrete actions ('Writes, reviews, and improves SwiftData code'), though the trailing 'using modern APIs and best practices' is mild generic padding, keeping it just below comprehensive.	4 / 5
Completeness	Explicitly answers both what ('Writes, reviews, and improves SwiftData code') and when ('Use when reading, writing, or reviewing projects that use SwiftData') with concrete trigger phrases.	5 / 5
Trigger Term Quality	Includes natural phrases users would say ('SwiftData', 'reading, writing, or reviewing projects that use SwiftData') with good coverage, but offers few synonyms or extensions beyond the framework name.	4 / 5
Distinctiveness Conflict Risk	Targets a single specific framework (SwiftData) with distinct triggers, giving it a clear niche and minimal overlap risk with other skills.	5 / 5
	Total	18 / 20 Passed

Validation

100%

Warnings & errors only

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository: twostraws/SwiftData-Agent-Skill
Path: swiftdata-pro/SKILL.md
Commit: 922d989

Reviewed: 6 days ago

Table of Contents

Discovery Implementation Validation

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