Claude Code skillPerformance
hotspot-scout
Profile a system under its REAL workload and emit a SCORED, ranked hotspot list — hot paths by CPU, memory, I/O, and lock/contention, each with measured evidence (flamegraph / sampler / timing), p95/p99 where latency matters, and a headroom estimate. Measures and ranks; never optimizes. Use when "profile this", "why is it slow", "find the bottleneck", "where's the time going", "rank the hot paths", "flamegraph", "p95 is bad", or when perf-max / project-autopilot need their profiling stage.
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Point it at a system and a real workload and it comes back with the one artifact performance work actually needs: a ranked target list. Not a wall of profiler output — a scored table where every row is a hot path, its measured cost on the…
Full skill ships in the matt-skills pack
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