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Found 1,099 Skills
Write JavaScript code with deep understanding of the language fundamentals as envisioned by Brendan Eich, creator of JavaScript. Emphasizes first-class functions, prototypes, and the dynamic nature of the language. Use when leveraging JavaScript's unique characteristics.
Write CSP-compatible Alpine.js components for Hyvä themes in Magento 2. This skill should be used when the user wants to create Alpine components, add interactivity to Hyvä templates, write JavaScript for Hyvä themes, or needs help with Alpine.js patterns that work with Content Security Policy. Trigger phrases include "create alpine component", "add interactivity", "alpine for hyva", "x-data component", "csp compatibility", "csp compliant javascript".
Explains JavaScript bundling, code splitting, chunking strategies, tree shaking, and build pipelines. Use when optimizing bundle size, understanding how modern build tools work, configuring Webpack/Vite/esbuild, or debugging build output.
Agent skill for java-tron — TRON Protocol Java implementation (FullNode, build, run, APIs, modular architecture, custom actuators).
Implements and debugs browser Web Neural Network API integrations in JavaScript or TypeScript web apps. Use when adding navigator.ml checks, MLContext creation, MLGraphBuilder flows, device selection, tensor dispatch and readback, or explicit fallback paths to ONNX Runtime Web or other local runtimes. Don't use for model training, server-side ML inference, or cloud AI APIs.
Build browser-based VoIP calling apps using Telnyx WebRTC JavaScript SDK. Covers authentication, voice calls, events, debugging, call quality metrics, and AI Agent integration. Use for web-based real-time communication.
Platform-agnostic OWASP secure coding practices with JavaScript/Node.js patterns and NetSuite SuiteScript examples. Covers Open Worldwide Application Security Project (OWASP) Top 10 (2021), output encoding, injection prevention, CSP headers, file security, API hardening, AI agent security, DRY security patterns, and 48+ security pitfalls with GOOD/BAD code templates.
Use when you need to implement or improve Java logging and observability — including selecting SLF4J with Logback/Log4j2, applying proper log levels (ERROR, WARN, INFO, DEBUG, TRACE), parameterized logging, secure logging without sensitive data exposure, environment-specific configuration, log aggregation and monitoring, or validating logging through tests. This should trigger for requests such as Improve logging; Apply logging; Refactor logging; Add logging support. Part of cursor-rules-java project
Expert guidance for developing with the tinystruct Java framework. Use when working on the tinystruct codebase or any project built on tinystruct — including creating Application classes, @Action-mapped routes, unit tests, ActionRegistry, HTTP/CLI dual-mode handling, the built-in HTTP server, the event system, JSON with Builder/Builders, database persistence with AbstractData, POJO generation, Server-Sent Events (SSE), file uploads, and outbound HTTP networking.
Use when you need to refactor Java code for high performance — including memory/allocation reduction, CPU hot-path optimization, and syntax/API/control-flow improvements. This should trigger for requests such as Review Java code for high performance; Optimize Java hot path; Reduce Java allocations; Improve Java latency/throughput. Part of cursor-rules-java project
WebKit integration in SwiftUI using WebView and WebPage for embedding web content, navigation, JavaScript interop, and customization. Use when embedding web content in SwiftUI apps.
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. Use when hashing for Ethereum in JavaScript or TypeScript, or when a selector, signature, storage slot, or derived address is wrong.