From billy-milligan
Performance optimization — frontend Core Web Vitals, backend profiling, database tuning, load testing
npx claudepluginhub rnavarych/alpha-engineer --plugin billy-milliganThis skill is limited to using the following tools:
- **Measure before optimizing**: Guessing is expensive; profiling is cheap.
Designs and optimizes AI agent action spaces, tool definitions, observation formats, error recovery, and context for higher task completion rates.
Compares coding agents like Claude Code and Aider on custom YAML-defined codebase tasks using git worktrees, measuring pass rate, cost, time, and consistency.
Designs, implements, and audits WCAG 2.2 AA accessible UIs for Web (ARIA/HTML5), iOS (SwiftUI traits), and Android (Compose semantics). Audits code for compliance gaps.
references/frontend-performance.md — Core Web Vitals, bundle optimization, lazy loadingreferences/backend-performance.md — Profiling Node/Python/Go, N+1, connection poolingreferences/database-performance.md — EXPLAIN ANALYZE, indexing strategies, query optimization, partitioningreferences/connection-performance.md — Connection pooling, prepared statements, batch operations, read replicasreferences/load-testing-reference.md — k6, Gatling, interpreting results, bottlenecksscripts/run-lighthouse.sh — Runs Lighthouse audit against a URL