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Found 9,230 Skills
Language-agnostic coding principles for maintainability, readability, and quality. Use when implementing features, refactoring code, or reviewing code quality.
Comprehensive accessibility patterns for building, testing, and fixing accessible interfaces. Use when building UI components, forms, pages, or auditing code for accessibility issues.
Ultracite is a zero-config linting and formatting preset for JavaScript/TypeScript projects. Use when: (1) Setting up or initializing Ultracite in a project (ultracite init), (2) Running linting or formatting commands (check, fix, doctor), (3) Writing or reviewing JS/TS code in a project that uses Ultracite — to follow its code standards, (4) Troubleshooting linting/formatting issues, (5) User mentions 'ultracite', 'lint', 'format', 'code quality', or 'biome/eslint/oxlint' in a project with Ultracite installed.
Use when user wants to extract text from ebooks (EPUB, MOBI, PDF). Use for converting ebooks to plain text for analysis, processing, or reading. Handles all common ebook formats.
Comprehensive reference for Apple's Tap to Pay on iPhone — the ProximityReader framework, PSP integration, entitlement workflow, marketing guidelines, and regional availability. Use this skill whenever the user asks about implementing contactless payments on iPhone, the ProximityReader API, Tap to Pay entitlements, NFC payment acceptance, loyalty card reading via NFC, payment service provider (PSP) selection for Tap to Pay, or merchant-facing payment app development. Also trigger when the user mentions "Tap to Pay", "TTP", "softPOS", "iPhone as terminal", "contactless payment acceptance", or building an app that accepts card-present payments on iPhone without external hardware.
Guide for implementing HolmesGPT - an AI agent for troubleshooting cloud-native environments. Use when investigating Kubernetes issues, analyzing alerts from Prometheus/AlertManager/PagerDuty, performing root cause analysis, configuring HolmesGPT installations (CLI/Helm/Docker), setting up AI providers (OpenAI/Anthropic/Azure), creating custom toolsets, or integrating with observability platforms (Grafana, Loki, Tempo, DataDog).
Query fan-out coverage for AI visibility. Covers semantic variation analysis and sub-question targeting.
Run comprehensive PR checks including reviewing CodeRabbit comments, ensuring PR description quality, running pre-commit hooks, tests, and validation. Use on an existing PR to address review feedback.
Load PROACTIVELY when task involves security review, vulnerability assessment, or hardening. Use when user says "check for security issues", "audit for vulnerabilities", "scan for secrets", "review auth security", or "check OWASP compliance". Covers authentication and session security, authorization and access control, input validation and injection prevention, data protection and encryption, dependency vulnerability scanning, API security (CORS, rate limiting, headers), and infrastructure hardening. Produces structured reports with severity ratings.
Generate self-contained HTML pages that visually explain systems, data stories, investigations, editorial workflows, and code changes. Use when the user asks for diagrams, architecture views, visual diffs, data tables, timelines, source maps, or any structured visualization that would be painful to read as terminal output. Also activates for tables with 4+ rows or 3+ columns. Adapted from nicobailon/visual-explainer with journalism, newsroom, and academic design sensibilities.
Security audit workflow - vulnerability scan → verification
Reviews Workers and Cloudflare Developer Platform code for type correctness, API usage, and configuration validity. Load when reviewing TypeScript/JavaScript using Workers APIs, wrangler.jsonc/toml config, or Cloudflare bindings (KV, R2, D1, Durable Objects, Queues, Vectorize, AI, Hyperdrive).