swift-concurrency-pro
Reviews Swift code for concurrency correctness, modern API usage, and common async/await pitfalls. Use when reading, writing, or reviewing Swift concurrency code.
89
95%
Does it follow best practices?
Impact
94%
1.23xAverage score across 2 eval scenarios
—
The risk profile of this skill
Evaluation results
98%
29%Async Concurrency Review: Network Monitoring Library
Swift async bridging code review
makeStream factory flagged
0%
100%
onTermination missing flagged
100%
100%
Unbounded buffer flagged
100%
100%
Unsafe continuation flagged
100%
100%
CancellationError not filtered
10%
100%
Missing task cancellation bridge
100%
100%
CPU-bound loop lacks cancellation check
40%
60%
No @unchecked Sendable suggestion
0%
100%
No unsolicited rewrite of LegacyDataService
100%
100%
Organized by file
100%
100%
Rule named per finding
60%
100%
Before/after code shown
100%
100%
Prioritized summary
80%
100%
91%
7%Swift Concurrency Review: Image Cache
Swift actor concurrency review with reentrancy and task-structure bugs
Reentrancy in image(for:)
100%
100%
Force-unwrap after await
100%
100%
Task {} inside loop
100%
100%
Structured concurrency recommended
100%
100%
withDiscardingTaskGroup for prefetch
0%
0%
Task.detached misuse
100%
100%
Missing cancel before new task
100%
100%
Missing deinit cancellation
25%
75%
Organized by file
62%
100%
Before/after code fix
100%
100%
Prioritized summary
100%
100%
- Repository
- twostraws/Swift-Concurrency-Agent-Skill
- Commit
bee3f69
- Evaluated
- Agent
- Claude Code
- Model
- Claude Sonnet 4.6
Table of Contents
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