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Found 962 Skills
Best practices and guidelines for esbuild, the ultra-fast JavaScript and TypeScript bundler and minifier
REST Assured Java library for testing REST APIs. Covers HTTP requests, JSON/XML validation, and Spring Boot integration. USE WHEN: user mentions "rest assured", "api test java", "rest api test", asks about "given when then", "RestAssured", "HTTP test", "JSON validation" DO NOT USE FOR: Unit tests - use `junit`; E2E browser tests - use Selenium; WebSocket testing - use dedicated tools; Non-Java projects - use language-specific HTTP clients
Implements and debugs browser Language Detector API integrations in JavaScript or TypeScript web apps. Use when adding LanguageDetector support checks, availability and model download flows, session creation, detect() calls, input-usage measurement, permissions-policy handling, or compatibility fallbacks for built-in language detection. Don't use for server-side language detection SDKs, cloud translation services, or generic NLP pipelines.
Prevent Ethereum hashing bugs in JavaScript and TypeScript. Node's sha3-256 is NIST SHA3, not Ethereum Keccak-256, and silently breaks selectors, signatures, storage slots, and address derivation.
Fast, accurate, DOM-free text measurement and layout library for JavaScript/TypeScript supporting multiline, rich-text, and variable-width layouts.
Development conventions and patterns for everything-claude-code. JavaScript project with conventional commits.
Create diagrams and visualizations using Mermaid.js v11 syntax. Use when generating flowcharts, sequence diagrams, class diagrams, state diagrams, ER diagrams, Gantt charts, user journeys, timelines, architecture diagrams, or any of 24+ diagram types. Supports JavaScript API integration, CLI rendering to SVG/PNG/PDF, theming, configuration, and accessibility features. Essential for documentation, technical diagrams, project planning, system architecture, and visual communication.
Extract the Supabase project URL from client-side JavaScript code, environment variables, and configuration files.
Assists users with updating Tauri dependencies including the Tauri CLI, Rust crates, JavaScript packages, and checking for outdated versions to upgrade to the latest version.
Guides developers through Tauri v2 event system for calling frontend from Rust, covering emit functions, event payloads, IPC channels, and JavaScript evaluation for bi-directional Rust-frontend communication.
Bun JavaScript/TypeScript runtime and all-in-one toolkit. Covers runtime, package manager, bundler, test runner, HTTP server, WebSockets, SQLite, S3, Redis, file I/O, shell scripting, FFI, Markdown parser. Keywords: bun, bunx, bun install, bun run, bun test, bun build, Bun.serve, Bun.file, bun:sqlite, Bun.markdown.
Debugging techniques for Python, JavaScript, and distributed systems. Activate for troubleshooting, error analysis, log investigation, and performance debugging. Includes extended thinking integration for complex debugging scenarios.