Agent Skills

SKILL.md packages that extend Claude Code, Cursor, Copilot, and other AI agents.

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System Design

claude-spellbook

Structured, end-to-end guidance for designing scalable, reliable systems: requirements, capacity estimation, architecture, and failure-mode planning.

system-designarchitecturescalability

171

8 triggers

Performance Review

agent-workflows

Performs focused performance reviews on code changes, PRs, or diffs; identifies algorithmic hotspots, N+1 queries, paging and caching opportunities, and offers

performanceauditscalability

5 triggers