30 pragmatic rules for production JavaScript covering async operations, V8 optimization, memory management, testing, error handling, and performance.
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Master modern JavaScript with ES6+, async patterns, and Node.js APIs. Handles promises, event loops, and browser/Node compatibility.
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Expert JavaScript developer specializing in modern ES2023+ features, Node.js runtime environments, and asynchronous programming patterns.
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Expert-level JavaScript and React development. Use when asked to (1) write JavaScript code requiring advanced patterns like closures, proxies, generators, or async iterators, (2)…
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JavaScript/TypeScript SDK for inference.sh - run AI apps, build agents, integrate 150+ models. Package: @inferencesh/sdk (npm install).
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JavaScript and TypeScript coding standards, conventions, and best practices. Use when writing, reviewing, or testing JS/TS code.
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JavaScript (Node.js) strictness, clean code, and security rules. Use when writing, reviewing, or refactoring plain JavaScript (non-TypeScript) Node.js code.
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Write and run JavaScript/TypeScript tests using Vitest or Jest with mocking, component testing, and coverage.
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Comprehensive guide for implementing robust testing strategies in JavaScript/TypeScript applications using modern testing frameworks and best practices.
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Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and…
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JavaScript and TypeScript development with ES6+, Node.js, React, and modern web frameworks. Use for frontend, backend, or full-stack JavaScript/TypeScript projects.
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Best practices for writing JavaScript/TypeScript tests using Jest, including mocking strategies, test structure, and common patterns.
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You are a TypeScript project architecture expert specializing in scaffolding production-ready Node.js and frontend applications.
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Writing high-quality unit tests for JavaScript and TypeScript using Jest. Covers test structure (AAA pattern, USE naming), breaking dependencies (stubs, mocks, dependency…
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Java Backend Coding Technology skill for designing, implementing, and reviewing functional Java backend code.
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Jellyfin media server management via Podman Quadlet. Supports multi-instance deployment, hardware transcoding (NVIDIA/AMD/Intel), and FUSE filesystem mounts.
Score 70/100
Build Jenkins declarative and scripted pipelines with stages, agents, parameters, and plugins. Implement multi-branch pipelines and deployment automation.
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Reviews Jenkinsfile and Groovy pipeline scripts for anti-patterns, security issues, and performance bottlenecks using Jenkins Pipeline Linter API and static analysis rules.
Score 70/100
Jenkins Pipeline Intro - Auto-activating skill for DevOps Basics. Triggers on: jenkins pipeline intro, jenkins pipeline intro Part of the DevOps Basics skill category.
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Automates Jenkins CI/CD pipeline configuration using the Jenkins REST API and Jenkinsfile DSL. Manages multi-branch pipelines, triggers builds via webhooks, and parses build…
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Scaffolds and tests Jenkins Shared Libraries using the jenkins-pipeline-unit framework (JenkinsPipelineUnit).
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Jest testing best practices for JavaScript and TypeScript applications, covering test structure, mocking, and assertion patterns.
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Generates jest.config.cjs for unit testing configuration. Configures Jest with Vue, TypeScript support, coverage thresholds, and test environment settings.
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Use when jest configuration, setup files, module resolution, and project organization for optimal testing environments.
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Write JavaScript/TypeScript tests with Jest including unit tests, mocking, snapshots, and coverage. Test React components, async code, and Node.js.
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Jest + NestJS testing patterns for unit and e2e tests in Aurora projects. Trigger: When writing tests, mocking dependencies, or implementing test coverage in NestJS/Aurora.
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Comprehensive React component testing with Jest and React Testing Library covering configuration, mocking strategies, async testing patterns, hooks testing, and integration…
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Generates Jest unit and integration tests in JavaScript or TypeScript. Covers mocking, snapshots, async testing, and React component testing.
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Execute and generate Jest tests for JavaScript/TypeScript projects with support for unit, integration, and E2E testing
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Automatically activated when user works with Jest tests, mentions Jest configuration, asks about Jest matchers/mocks, or has files matching *.test.js, *.test.ts, jest.config.*.
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Use when jest testing patterns including unit tests, mocks, spies, snapshots, and assertion techniques for comprehensive test coverage.
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Unit testing skill using Jest for TypeScript and JavaScript, covering mocking, spies, snapshots, coverage, async testing, and custom matchers.
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JetBrains MCP 도구를 활용한 빠른 개발 워크플로우. IDE 검사, Run Configuration 실행, 리팩토링, 파일 검색 등을 통해 Gradle 의존도를 줄이고 개발 속도를 10배 향상시킵니다. Kotlin/Spring 개발 시 필수로 사용하세요.
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Expert assistant for Juju charm development using jhack utilities. Use when debugging charms, inspecting relations, syncing code, replaying events, testing scenarios, or…
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Extracts clean markdown content from any URL using the Jina Reader API (r.jina.ai). Handles JavaScript-rendered pages, PDF extraction, and multi-page crawling with depth control.
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Jinja2 template patterns for Python. Syntax, inheritance, includes, macros, filters, loops, whitespace, context, escaping, safe server-rendered HTML.
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Provides Comprehensive reference for Atlassian Jira REST API v3 documentation and best practices. Use when asking about Jira API endpoints, authentication, request/response…
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Guides for using jira-tool CLI correctly to create and manages Jira tickets with rich formatting. Use when working with Jira tickets, epics, or exports.
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Jira API operations via Python CLI scripts. AUTOMATICALLY TRIGGER when user mentions Jira URLs (https://jira.*/browse/*, https://*.atlassian.net/browse/*), issue keys (PROJ-123),…
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Control Chrome browser via CLI for testing, automation, and debugging. Use when the user needs browser automation, screenshots, form filling or page inspection.
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Orientation to facet-format JIT deserialization (tiering, fallbacks, key types/entry points) and where to look when changing or debugging JIT code
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Integrate third-party repository history into the monorepo by adding remotes and creating workspaces.
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Load and performance testing skill using Apache JMeter, covering test plans, thread groups, assertions, listeners, timers, and distributed testing.
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Jmeter Test Plan Creator - Auto-activating skill for Performance Testing. Triggers on: jmeter test plan creator, jmeter test plan creator Part of the Performance Testing skill…
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JOOQ type-safe SQL patterns - use for database queries, repositories, complex SQL operations, and PostgreSQL-specific features
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Retrieve the latest journal issue's table of contents and abstracts from URL/DOI/PMID/RSS/TOC sources, then generate Chinese key points locally (no external translation APIs) when…
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JavaScript 代码检查和修复工具。当需要执行 JavaScript 代码时，使用此技能进行：1) 检查本地 Node.js 版本是否支持代码语法，2) 自动修复全角符号等常见问题，3) 验证代码可执行性，4) 返回检查结果供主 Agent 使用 execute_shell_command 执行
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Правила написания и ревью JavaScript и TypeScript-кода в лаконичном прагматичном стиле.
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Converts one JavaScript source file to strict TypeScript 5.x, resolves all tsc errors without @ts-ignore, and confirms the Jest suite is unchanged.
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JavaScript and TypeScript best practices covering naming conventions, control flow, state management, TypeScript patterns (avoid any/enum, prefer type over interface), safety…
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Write JavaScript/TypeScript for business applications (frontend and backend) with CRUD, API integration, and data transforms that are correct, readable, and easy to trust.
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Write JavaScript/TypeScript that is performant, readable, and easy to trust with minimal inspection. Use when generating or reviewing JS/TS code—scripts, utilities, data…
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Implement, refactor, or review worker-based multithreading in TypeScript/JavaScript apps (browser or Node).
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JavaScript and TypeScript documentation generation using JSDoc and TSDoc. Parse source code, generate API documentation, validate coverage, and integrate with TypeDoc for…
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Extracts and indexes JSDoc type annotations from JavaScript codebases using the jsdoc-api parser. Generates TypeScript declaration files (.d.ts) and searchable type catalogs from…
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Documents TypeScript code with JSDoc comments, generates API documentation, and creates type-safe documentation.
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JavaScript/TypeScript static analysis tool for call graphs, unused code detection (tree shaking), dependency analysis, and circular dependency detection
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Json Config Manager - Auto-activating skill for DevOps Basics. Triggers on: json config manager, json config manager Part of the DevOps Basics skill category.
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Use when writing Python that parses JSON from outside the process — an HTTP response, a file, an environment value — to ensure JSONDecodeError is caught and translated into a…
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json-render component catalog patterns for AI-safe generative UI. Define Zod-typed catalogs that constrain what AI can generate, use @json-render/shadcn for 36 pre-built…
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