Runtime Starvation & Capacity Recovery
Recover runtimes that collapse under task pressure, blocked workers, leaked permits, exhausted descriptors, saturated pools, cache herds, and missing backpressure. This bundle combines concrete repository repairs with performance diagnosis so capacity limits become explicit and recoverable. Use it when a service works at light load but queues, latency, tasks, handles, or connections grow uncontrollably under sustained traffic.
Works with every agent that reads SKILL.md — Claude Code, Cursor, Codex CLI, Gemini CLI, GitHub Copilot, Windsurf, OpenClaw, and more.
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What's included
8 skills
Repair event-loop starvation from synchronous CPU work, blocking libraries, long callbacks, microtask monopolization, and unsafe offload boundaries.
Repair file descriptor and handle leaks from files, streams, watchers, pipes, subprocesses, early returns, retries, errors, and cancellations.
Repair semaphore permit leaks and over-release bugs across exceptions, cancellation, timeouts, task submission, and shutdown.
Repair thread-pool starvation from nested waits, callback affinity, fan-out, or shutdown competition without adding capacity.
Repair leaked or long-held connections, per-request client pools, fan-out saturation, retry amplification, and cleanup gaps without guessing pool sizes.
Repair unbounded stream/queue pipelines, ignored backpressure, slow-consumer memory growth, retry amplification, and cancellation leaks.
Stop cache stampedes by repairing fill ownership, request coalescing, lock safety, refresh failures, TTL synchronization, and cold-cache overload.
Is your system slow or inefficient? This skill analyzes performance issues and identifies bottlenecks in your system, code, or architecture. It provides clea...
See it in action
Repair Event Loop Starvation
Example session with this skill installed
Our Node/TypeScript report endpoint parses a large JSON payload, runs pbkdf2Sync for every section, gzipSync-compresses the result, and writes it to storage. During a report request, unrelated health checks and WebSocket heartbeat timers are delayed for seconds. Repair locally with generated payloads and deterministic responsiveness tests. Preserve report ordering/output. Do not access production, change live worker counts, or invent our latency SLO.
- Read your context and instructions
- Compiled the repair event loop
Event-loop starvation found. The repair removes request-path blockers, preserves order and cancellation, and verifies responsiveness locally. Production capacity remains unverified.
How to install
Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.
- 1
Download the ZIP
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- 2
Unzip into your skills folder
Every agent reads skills from one folder on your machine. Drop the unzipped folder in there.
- 3
Ask your agent to use it
Restart the agent if it was already running. It picks the skill up automatically - no config needed.
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Click the path to copy it. Create the folder if it does not exist yet.
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