“javascript”

Writes, debugs, and refactors JavaScript code using modern ES2023+ features, async/await patterns, ESM module systems, and Node.js APIs.

JavaScript and Node.js patterns, async programming, modules, runtime internals, and modern ES2024+ features.

Deobfuscates malicious JavaScript code used in web-based attacks, phishing pages, and dropper scripts by reversing encoding layers, eval chains, string…

Deobfuscates malicious JavaScript found in phishing pages, web skimmers, and dropper scripts by reversing encoding layers, eval chains, string manipulation…

JS source map recovery, endpoint extraction, API key discovery in client-side JS

Use when the user asks to add, write, fix, or structure tests for JavaScript or TypeScript code, including TDD or BDD workflows, mocking, fixtures, and…

Idiomatic JavaScript patterns and conventions for maintainable code.

Modern JavaScript (ES2022+) patterns for clean, maintainable code.

Master ES6+ features including async/await, destructuring, spread operators, arrow functions, promises, modules, iterators, generators, and functional…

Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking…

Node.js setup for TinyFish HTTP examples — ESM, native fetch.

Detect and exploit JavaScript prototype pollution vulnerabilities on both client-side and server-side applications to achieve XSS, RCE, and authentication…

Idiomatic programming style, patterns, and conventions for TypeScript and JavaScript development.

Google Ads Scripts Reference — JavaScript automation, AdsApp object model, selectors, GAQL queries, 10+ working script patterns, MCC parallel processing…

Write, route, cache, and debug Netlify Edge Functions, the Deno-based TypeScript or JavaScript handlers in netlify/edge-functions that run at the network edge…

Write, configure, and deploy Netlify serverless functions in TypeScript, JavaScript, or Go.

Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model migration.

Use when reading or writing TypeScript or JavaScript files (.ts, .tsx, .js, tsconfig.json).

Drive a real browser through Aside: open a page, read it, click through a flow, take screenshots, check console errors.

Generates production-grade Appium mobile automation scripts for Android and iOS in Java, Python, or JavaScript.

Instrument browser/web apps with the Application Insights JavaScript SDK (@microsoft/applicationinsights-web).

Upgrade Claude Code to the latest version with graceful shutdown and auto-restart.

ClawSec suite manager with embedded advisory-feed monitoring, cryptographic signature verification, approval-gated malicious-skill response, and guided setup…

AgentCall (agentcall.dev) — Join a video meeting (Google Meet, Teams, Zoom) as an AI bot with voice and visual presence.