Latency Critical Systems

When you're building realtime dashboards, market data feeds, or anything where p95 latency actually matters, this skill keeps Claude focused on the hot path. It pushes you to split metrics properly (p50/p95/p99, throughput, freshness age, queue depth), map the entire chain from event to user-visible state, and verify with live readbacks instead of guessing. The optimization order is pragmatic: remove round trips, cache with freshness metadata, batch calls, then move compute closer to data. It won't let you hide stale data behind fast cache hits or claim millisecond behavior without measurement, which is exactly the discipline you need when latency is user-facing.

Install to Claude Code

npx -y skills add affaan-m/ecc --skill latency-critical-systems --agent claude-code