Development

並行性の観測。データレース、デッドロック、タイミング依存バグを検出。Use when: async/await実装、スレッド/goroutine使用、共有状態操作、本番でだけ起きる問題、たまに落ちるテスト調査。

Evaluates code against Apple's App Store Review Guidelines. Use this skill when reviewing iOS, macOS, tvOS, watchOS, or visionOS app code (Swift, Objective-C, React Native, or Expo) to identify potential App Store rejection issues before submission. Triggers on tasks involving app review preparation, compliance checking, or App Store submission readiness.

Standards for Coroutines, Flow, and Threading

並行処理や非同期操作を実装する際に使用。

Comprehensive guide to concurrency models, throughput optimization, worker pools, task queues, and scaling strategies for high-performance applications

This skill should be used when the user asks to 'write a rule', 'create a rule', 'make rule shorter', 'keep rules minimal', 'reduce rule size', 'optimize rule', or needs guidance on writing precise, context-efficient rules for CLAUDE.md.

Enforces brevity and signal-over-noise in all outputs. Eliminates verbose explanations, filler phrases, and unnecessary elaboration. Use when documentation, artifacts, or responses need to be maximally concise and actionable.

Real-time web research/search with sources (outputs JSON).

Strict code review following Clean Code, Clean Architecture, and The Pragmatic Programmer principles. Use when: (1) reviewing code or pull requests, (2) detecting code smells or quality issues, (3) auditing architecture decisions, (4) preparing code for merge, (5) refactoring existing code, or (6) checking adherence to SOLID, DRY, YAGNI, KISS principles. Features a 3+4+2 questionnaire system to calibrate strictness from L1 (lab) to L5 (critical). Also triggers on: "is this code good?", "check...

Forth/Factor/Joy: stack-based concatenative programming where composition replaces application.

Multi-agent app builder with 7 modes - greenfield, iteration, bugfix, refactor, UI polish, migration, and audit. PM orchestrates specialized agents with feature branches. 98%+ quality gate, runtime verified, visual QA.

Claude Computer Use tool integration for desktop automation. Enables Claude to interact with computer environments through screenshots, mouse control, keyboard input, and application automation in sandboxed environments.

Use when creating tailored resumes for job applications - researches company/role, creates optimized templates, conducts branching experience discovery to surface undocumented skills, and generates professional multi-format resumes from user's resume library while maintaining factual integrity

Build with Solana compressed NFTs (cNFTs) - Merkle trees, minting at scale, transfers, and metadata. Use when creating large NFT collections or reducing mint costs.

Read and write compressed sequence files (gzip, bzip2, BGZF) using Biopython. Use when working with .gz or .bz2 sequence files. Use BGZF for indexable compressed files.

Requires detailed type annotations for all Python functions, methods, and class members.

This skill should be used when the user asks to "review test coverage", "audit test quality", "check tests for completeness", or mentions reviewing pytest test suites. Performs thorough test review following standard checklist for test isolation, mock usage, naming, and coverage.

A Claude Code skill that allows you to search, browse, and install skills from a database of 31,767+ community skills with intelligent folder-level downloads. Supports SVN export, Git sparse checkout, and HTTP fallback methods for complete skill folder installation.

CLI-first API testing for HTTP, GraphQL, gRPC, and TCP.

Fetches ALL open issues from any GitHub repository using pagination and generates a comprehensive analysis including category breakdown, age distribution, stale issues (30+ days), top discussed issues, prioritization, and detailed recommendations for triage. Handles large repositories (5000+ issues) efficiently.

Complete frontend development skill combining distinctive design aesthetics with technical excellence. Creates production-grade web applications using React, Next.js, TypeScript, and modern tooling. Use when building web components, pages, or applications that require both exceptional design quality and robust technical implementation. Handles everything from creative UI design to performance optimization, component scaffolding, bundle analysis, and deployment.

Forensic, high-fidelity context handover for seamless continuation in a new chat. Produces a single Markdown transfer artifact plus reusable templates, preserving decisions, requirements, non-negotiables, and open loops without truncation by judgment. Not for code continuation unless explicitly stated.

Exhaustive multi-dimensional project auditor covering code, runtime, infrastructure, security, performance, business logic, and human processes across 12 dimensions with confidence-tracked findings and explicit blind spot documentation. Includes dead code detection (Knip/depcheck), file size/token limit analysis for AI editing compatibility, and honest system health reporting.

Generate comprehensive compound profiles including structure, properties, bioactivity, and development status. Use for drug analysis, SAR studies, and competitive profiling. Keywords: compound, drug, molecule, structure, SMILES, bioactivity, IC50