Individual skill
memory-leak-detector
Identifies unclosed handles, event listener accumulation, retain cycles, and heap memory leak patterns.
skills/development/memory-leak-detector/SKILL.md
Source commit d0a9928d24afb7df0fad2f2f35f65d3938a6926a
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- Yes
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- Observed behavior
- Instructions only
- Last checked
- Nov 5, 2026
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- 27
- Repository last updated
- Aug 20, 2026
- License
- MIT
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README.mddoc · 630 bytesSKILL.mdcore · 1,796 bytesexamples/example.mddoc · 878 bytes
Read excerpt
## Purpose
Detect and fix memory leaks, lingering closures, detached DOM trees, unbounded cache growth, and uncollected resources in Node.js, JavaScript, Python, Go, and mobile applications.
## When to Use
- Applications whose memory (RSS / Heap) steadily climbs until crashing with Out-Of-Memory (OOM) errors.
- Investigating heap profile snapshots and GC thrashing.
- Reviewing caching layers, WebSocket connection registries, and event listeners.
## What to Analyze
1. **Unbounded In-Memory Collections**: Global arrays/maps that append data without TTL, LRU eviction, or size caps.
2. **Lingering Event Listeners / Subscriptions**: Attaching listeners on recurring objects without matching `removeEventListener` / `unsubscribe`.