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Professional code review with auto CHANGELOG generation, integrated with Codex AI. Use when you want professional code review before commits, you need…

Best practices for SciPy scientific computing, optimization, signal processing, and statistical analysis in Python

Guidelines for developing with Sequelize, a promise-based Node.js ORM supporting PostgreSQL, MySQL, MariaDB, SQLite, and SQL Server

Deep dive into Claude Code source code to learn production-grade AI agent architecture patterns

Comprehensive React and Next.js performance optimization guide with 40+ rules for eliminating waterfalls, optimizing bundles, and improving rendering. Use when…

Java Spring Boot development guidelines with best practices for building robust, secure, and maintainable enterprise applications

Expert in Kubernetes and DevOps with infrastructure-as-code and cloud-native patterns

Page transitions library for creating fluid, smooth transitions between website pages. Use this skill when implementing page transitions, creating SPA-like…

Design, validate, and optimize schema.org structured data for eligibility, correctness, and measurable SEO impact.

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an…

Database design principles and decision-making. Schema design, indexing strategy, ORM selection, serverless databases.

Kubernetes cluster, pod, node, and workload monitoring. Use when analyzing K8s health, resource optimization, pod failures, OOMKills, scheduling, or security posture. Also use for Kubernetes operational events like pod restarts, OOM events, evictions, and cluster event history. Trigger: "Kubernetes pods", "K8s cluster health", "OOMKill", "pod restarts", "container CPU", "namespace resource usage", "over-provisioned pods", "privileged containers", "pod placement", "K8s node capacity", "running containers by cluster", "workload scheduling", "pod evictions", "K8s labels and annotations", "kubernetes events", "pod restart events", "OOM events", "K8s event history". Do NOT use for explaining existing queries, product documentation questions, AWS-specific resource queries, service-level RED metrics, distributed tracing, or log analysis — use the relevant skill instead.

中文超压缩沟通模式。用更少汉字表达完整技术信息，保留代码、术语、报错原文与关键约束。 支持强度级别：lite、full（默认）、ultra。适用于用户说“中文 caveman”、“穴居人模式”、 “更简短”、“少点字”、“用中文 caveman”，或调用 /caveman-cn 时。也适用于明确要求节省 token 的中文对话。

Document frontend data needs for backend developers. Use when frontend needs to communicate API requirements to backend, or user says 'backend requirements',…

Python best practices for writing production-grade code. This skill should be used when writing, reviewing, or refactoring Python code. Triggers on tasks…

Design and evaluate programmatic SEO strategies for creating SEO-driven pages at scale using templates and structured data.

Framework-agnostic, immutable reactive data store with framework adapters for React, Vue, Solid, Angular, and Svelte.

Automatically fetch latest library/framework documentation for Claude Code via Context7 API. Use when you need up-to-date documentation for libraries and…

Debug and optimize Android/Gradle build performance. Use when builds are slow, investigating CI/CD performance, analyzing build scans, or identifying…

Self-hosted auth for TypeScript/Cloudflare Workers with social auth, 2FA, passkeys, organizations, RBAC, and 15+ plugins. Requires Drizzle ORM or Kysely for D1 (no direct adapter). Self-hosted alternative to Clerk/Auth.js. Use when: self-hosting auth on D1, building OAuth provider, multi-tenant SaaS, or troubleshooting D1 adapter errors, session caching, rate limits, Expo crashes, additionalFields bugs.