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Found 5,531 Skills
Guide for using Shopify Polaris Icons in Shopify Apps. Covers icon usage patterns, accessibility, tone variants, and common icon categories for commerce applications.
Design and build professional HTML email templates with inline CSS for broad email client compatibility. Use this skill when the user asks to create, design, or build email templates, newsletters, transactional emails (order confirmations, receipts, shipping notifications, password resets), marketing emails, welcome series, onboarding emails, abandoned cart emails, drip campaigns, or any HTML email layout. Covers responsive design, dark mode support, and compatibility with Gmail, Outlook (desktop + web), Apple Mail, Yahoo, and mobile clients.
Core Polaris Web Components fundamentals including component library structure, design tokens, responsive patterns, and SSR compatibility. Auto-invoked when working with Polaris components.
GitHub Actions security review for workflow exploitation vulnerabilities. Use when asked to "review GitHub Actions", "audit workflows", "check CI security", "GHA security", "workflow security review", or review .github/workflows/ for pwn requests, expression injection, credential theft, and supply chain attacks. Exploitation-focused with concrete PoC scenarios.
Security audit patterns for PHP/OWASP. Use when conducting security assessments, identifying vulnerabilities (XXE, SQL injection, XSS), or CVSS scoring.
Calibrate an LLM judge against human labels using data splits, TPR/TNR, and bias correction. Use after writing a judge prompt (write-judge-prompt) when you need to verify alignment before trusting its outputs. Do NOT use for code-based evaluators (those are deterministic; test with standard unit tests).
Provides high-performance WPF rendering techniques including DrawingVisual, WriteableBitmap, CompositionTarget.Rendering, and BitmapCache. Use when implementing real-time graphics, game loops, particle systems, charts, or when Shape controls cause performance issues.
Simplifies and refines Python code for clarity, consistency, and maintainability while preserving all functionality. Applies dignified-python standards. Focuses on recently modified code unless instructed otherwise.
Design security testing solutions, including OWASP Top 10, penetration testing, and vulnerability scanning. Default output is Markdown, and Excel/CSV/JSON output is available upon request. Use for security testing or security-testing.
Use when user asks to setup endorctl, install endorctl, run endorctl scan, scan for vulnerabilities, run endor scan or run Endor Labs scan or when any endorctl command fails with 'command not found', 'no such file or directory', authentication errors, 'unauthorized', '403', 'tenant not found', EOF error, or namespace/access errors.
Stripe, RevenueCat, subscription billing, webhooks, PCI compliance, and tax
Bitcoin Lightning wallet for agents — balances, invoices, payments, BTC/USD swaps, QR codes, price conversion, and transaction history via the Blink API. All output is JSON.