Provides deterministic tool call logging via Claude Code hooks. Logs Bash, Edit, Write, and Read operations to JSONL format. Use when implementing execution plans, audit trails, or debugging...
Use this skill when writing tests, fixing test failures, improving code quality, doing accessibility audits, or optimizing performance. Activates on mentions of testing, unit test, integration...
World-class application logging - structured logs, correlation IDs, log aggregation, and the battle scars from debugging production without proper logsUse when "log, logging, logger, debug, trace,...
Performs comprehensive code reviews focusing on correctness, maintainability, performance, security, and best practices. Trigger keywords: review, code review, PR review, pull request, check code,...
Expert code reviewer that enforces best practices, clean code principles, strong typing (TypeScript), architecture guidelines, and security standards. Reviews PRs and code snippets for bugs, code...
Expert SEO content strategy for SaaS and B2B sites. Use when doing keyword research, planning content clusters, creating pillar pages, optimizing on-page SEO, fixing technical SEO issues, building...
Assess a codebase's readiness for autonomous agent development and provide tailored recommendations. Use when asked to evaluate how well a project supports unattended agent execution, assess...
Complete SEO setup for Next.js applications. Use when the user wants to implement or improve SEO in a Next.js app, including page metadata generation, sitemaps (sitemap.xml and llms.txt),...
Review code written by Claude Code or humans across multiple languages. Use when asked to review, audit, critique, or analyze code quality. Supports R, Python, JavaScript, SQL, C++, Rust, Go,...
Fetch up-to-date library documentation via Context7 REST API. Use when needing current API docs, framework patterns, or code examples for any library. Use when user asks about React, Next.js,...
Customer-centric conversion rate optimization methodology based on "Making Websites Win" by Karl Blanks and Ben Jesson (Conversion Rate Experts). Use when optimizing websites, landing pages,...
Audit integration strategy and daily build processes (CHECKER) or select optimal integration approach and configure CI/CD (APPLIER). Use when integrating components, planning integration order,...
Execute quality checklists (112+ items) for code review, testing strategy, and debugging. CHECKER mode audits QA practices with evidence tables. APPLIER mode generates test cases (5:1 dirty...
TypeScript language expertise for writing type-safe, production-quality TypeScript code. Use for TypeScript development, advanced type system features, strict mode, type-safe APIs, and modern...
World-class content strategy expertise combining the frameworks of Andy Crestodina's data-driven approach, Ann Handley's "everybody writes" philosophy, and the content engines that power companies...
Server management principles and decision-making. Process management, monitoring strategy, and scaling decisions. Teaches thinking, not commands.
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
Pragmatic coding standards - concise, direct, no over-engineering, no unnecessary comments
Specialized skill for building production-ready serverless applications on GCP. Covers Cloud Run services (containerized), Cloud Run Functions (event-driven), cold start optimization, and...
Complete browser automation with Playwright. Auto-detects dev servers, writes clean test scripts to /tmp. Test pages, fill forms, take screenshots, check responsive design, validate UX, test login...