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Analyze code statistics including line counts, language distribution, and directory complexity. Use when the user asks to count lines of code, analyze code size, show language distribution, or compare code stat...
Claude Code memory (CLAUDE.md) configuration reference. Use when setting up project memory, understanding memory hierarchy, or configuring persistent instructions.
Master SQL query optimization, indexing strategies, and EXPLAIN analysis to dramatically improve database performance and eliminate slow queries. Use when debugging slow queries, designing database schemas, or...
Go performance optimization techniques including profiling with pprof, memory optimization, concurrency patterns, and escape analysis.
Debug systematically with root cause analysis before fixes. Use for bugs, test failures, unexpected behavior, performance issues, call stack tracing, multi-layer validation.
React and Next.js performance optimization from Vercel Engineering. 45 rules across 8 categories covering async waterfalls, bundle size, server-side performance, re-renders, and rendering optimization. Use when...
Use Codex CLI (OpenAI) for code consultation and review. Triggers: "codex", "ask codex", "code review", "review this" Use cases: (1) Message/copy review, (2) Code review, (3) Design consultation, (4) Bug invest...
Analyze, compare, and debug Applitools test logs. Use when comparing log files, finding test failures, identifying performance bottlenecks, or preparing logs for analysis.
Patterns for optimizing database queries and preventing connection pool exhaustion. Use when writing batch operations, debugging slow queries, or reviewing code for performance.
4-phase debugging framework preventing "guess-and-check" fixing. Load when debugging fails or for complex bug investigation.
Execute documented runbooks for common SRE incidents. Use when investigating database connection exhaustion, high latency cascades, or elevated error rates. Provides structured investigation steps and remediati...
Auto-escalate reasoning depth for complex problems. Use proactively when encountering architecture, debugging, or unfamiliar code.
This skill should be used when the user asks to "review code", "check for bugs", "audit this file", or wants feedback on code quality, security, and best practices.
WHAT: Performance optimization with memoization, React.memo, and FlatList techniques. WHEN: profiler shows slow renders, preventing re-renders, optimizing list performance. KEYWORDS: performance, useMemo, useCa...
Performs structured code reviews focusing on bugs, security, performance, and best practices. Use when reviewing code, pull requests, diffs, or when the user asks for feedback on implementations.
Debug Laravel application issues using browser logs, tinker, database queries, and systematic troubleshooting. Use this when encountering errors, unexpected behavior, or performance issues.
Automates Tauri WebView debugging using official plugins (tauri-plugin-log + screenshots) with process verification, automated screenshots, console logs, and state analysis. Use when debugging Tauri apps, inves...
Full-repo debugging team workflow. Use for 'org run debug', 'org run debug list', or 'org run debug "pasted bug"' requests.
Single Ralph iteration with full visibility - learn before going AFK
WHAT: Performance hooks for TTR, TTI, and custom metrics with dual native + OTEL tracking. WHEN: measuring render time, tracking interactivity readiness, monitoring async operations. KEYWORDS: performance, TTR,...
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Trigge...
Comprehensive Terraform/OpenTofu mastery covering testing (native 1.6+, Terratest), modules, CI/CD, security scanning (trivy, checkov), and production patterns. Use for IaC architecture, module development, tes...
Terminal orchestration via tmux. Use for long-running processes, server management, parallel terminal sessions, and background task monitoring.
Claude Code MCP (Model Context Protocol) server configuration reference. Use when adding MCP servers, configuring external tools, or integrating third-party services.
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