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oauth-integrations
Implement OAuth 2.0 authentication with GitHub and Microsoft Entra (Azure AD) in Cloudflare Workers and other edge environments. Covers provider-specific quirks, required headers, scope requirements, and token handling without MSAL. Use when: implementing GitHub OAuth, Microsoft/Azure AD authentication, handling OAuth callbacks, or troubleshooting 403 errors in OAuth flows.
jquery-4
Migrate jQuery 3.x to 4.0.0 safely in WordPress and legacy web projects. Covers all breaking changes: removed APIs ($.isArray, $.trim, $.parseJSON, $.type), focus event order changes, slim build differences, ES modules migration, and Trusted Types support. Use when: upgrading jQuery to 4.0, fixing "$.isArray is not a function" errors, WordPress jQuery migration, updating legacy JavaScript, or troubleshooting focus/blur event order issues.
Debugging
Provides a structured four-phase debugging process that prevents random fixes by requiring root cause investigation first. Includes backward call stack tracing, multi-layer validation, and verification protocols. Useful for test failures, bugs, and unexpected behavior.
anubis-windows-commands
This Skill provides a specific workaround for a Git Bash path conversion issue on Windows that breaks Anubis build commands. It documents the exact environment variable prefix needed and when to apply it, with clear command templates and troubleshooting steps.
yt-dlp
Download audio and video from thousands of websites using yt-dlp. Feature-rich command-line tool supporting format selection, subtitle extraction, playlist handling, metadata embedding, and post-processing. This skill is triggered when the user says things like "download this video", "download from YouTube", "extract audio from video", "download this playlist", "get the mp3 from this video", "download subtitles", or "save this video locally".
skill-creator
Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.
Root Cause Analysis
Systematic approach to finding the true source of bugs, not just symptoms
earnings-trade-analyzer
Analyze recent post-earnings stocks using a 5-factor scoring system (Gap Size, Pre-Earnings Trend, Volume Trend, MA200 Position, MA50 Position). Scores each stock 0-100 and assigns A/B/C/D grades. Use when user asks about earnings trade analysis, post-earnings momentum screening, earnings gap scoring, or finding best recent earnings reactions.
paypal-integration
This skill enables seamless PayPal payment integration for e-commerce, supporting express checkout, subscription billing, refund management, and webhook handling to streamline online transactions.
testing-basics
Provides fundamental testing patterns and best practices applicable across programming languages. Covers test structure (AAA), types, naming conventions, isolation principles, and mocking guidelines. Includes concrete examples in Python and a practical checklist for developers.
manage-skills
Manage and maintain VRP Toolkit skills through compliance checking, audit tracking, and documentation synchronization. Use when (1) adding or modifying skills, (2) checking skill compliance with project standards, (3) auditing SKILLS.md vs skills directory consistency, (4) recording skill changes to SKILLS_LOG.md, or (5) performing periodic skill health checks. Ensures skills stay independent, under 500 lines, properly structured, and well-documented.
gcloud
A comprehensive and practical guide for Google Cloud SDK usage, covering installation, authentication, configuration, and common operations with clear examples.
skill-improver
Improve skills and workflows by analyzing run artifacts and execution logs (events.jsonl/state.json) under runs/ (or OpenSpec changes/). Use when you want to iterate on skills based on real runs: find failure modes, bottlenecks, unclear prompts, missing I/O contracts, and propose concrete edits.
performance
This Claude skill is a performance engineering expert that helps identify and resolve bottlenecks in web applications. It provides targeted optimization strategies for frontend, backend, databases, and caching, focusing on one critical area at a time to improve speed, scalability, and user experience.
tdd-orchestrator
A TDD orchestrator that guides developers through the red-green-refactor cycle, enforcing test-first discipline and coordinating multi-agent workflows to ensure comprehensive test-driven development practices with modern frameworks.
update-instructions
This skill intelligently merges updates into CLAUDE.md and AGENTS.md instruction files, preserving user customizations while updating framework-managed sections. It's used after plugin refreshes or version upgrades to keep instruction files in sync with the latest features.
prioritize-story-nodes
A story prioritization tool that combines deterministic script analysis with manual semantic review. It filters blocked stories, calculates complexity scores, identifies dependencies, and creates implementation plans. Works with SQLite database and generates markdown priority lists.
Waybar
This Claude Skill automatically includes Waybar configuration context when editing Waybar files. It references specific Nix configuration files and CSS documentation, helping developers maintain consistent Waybar setups across projects.
cfn-agent-tooling
Consolidates agent template generation and validation into a single package. Provides scaffolding for new agent profiles and linting for existing ones. Useful for developers building Claude agent workflows who need standardized templates and validation.
chatkit-frontend
Provides step-by-step instructions for integrating OpenAI ChatKit React components into Next.js applications. Includes API configuration, theming, custom sidebar integration, and client-side tool handling. Covers installation, project structure, and dark mode support with practical code examples.
google-adk-python
Imported from https://github.com/hotriluan/alkanacoating.
rust-daily
CRITICAL: Use for Rust news and daily/weekly/monthly reports. Triggers on: rust news, rust daily, rust weekly, TWIR, rust blog, Rust 日报, Rust 周报, Rust 新闻, Rust 动态
rust-daily
CRITICAL: Use for Rust news and daily/weekly/monthly reports. Triggers on: rust news, rust daily, rust weekly, TWIR, rust blog, Rust 日报, Rust 周报, Rust 新闻, Rust 动态
domain-embedded
Use when developing embedded/no_std Rust. Keywords: embedded, no_std, microcontroller, MCU, ARM, RISC-V, bare metal, firmware, HAL, PAC, RTIC, embassy, interrupt, DMA, peripheral, GPIO, SPI, I2C, UART, embedded-hal, cortex-m, esp32, stm32, nrf, 嵌入式, 单片机, 固件, 裸机