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Found 6,762 Skills
REST and GraphQL API design patterns. Covers HTTP methods, status codes, versioning, pagination, error handling, schema design, mutations, and API best practices. Trigger: When designing APIs, when creating REST endpoints, when implementing GraphQL schemas, when handling API versioning, when designing pagination.
Use this for exploratory data analysis (EDA), generating visualizations, finding trends, and deriving insights from datasets using Python (Pandas/Seaborn/Plotly) or SQL.
Analyze character relationships in stories, identify their types, characteristics, and developmental changes. Suitable for deeply understanding character relationship networks, analyzing the role of relationships in driving the plot, and providing relationship support for plot design
Scaffold or continue a software project with a Harness-style workflow. Use when the user wants a new app or repo, a structured bootstrap, or milestone-driven execution from PRD through implementation. Supports greenfield and existing codebases across web, iOS, CLI, agent, and desktop projects.
Automated web QA skill: analyzes a website or project, generates end-user use cases, derives a structured test plan, executes tests via Playwright browser automation, and produces a full HTML/Markdown QA report with screenshots and pass/fail results. TRIGGER this skill whenever the user asks to: test a website, run QA on a web app, check if a site works, find bugs on a site, validate a web project, create a test plan for a website, run functional tests, check a landing page, audit a web app for issues, test user flows — or any variation of "проверить сайт", "протестировать сайт", "QA сайта", "тест веб-приложения", "найти баги на сайте". Even if the user just says "посмотри работает ли всё нормально на сайте" — use this skill.
NestJS framework best practices and production patterns. Use whenever working with NestJS — creating modules, controllers, services, DTOs, guards, interceptors, pipes, middleware, or building REST/GraphQL/microservice APIs. Also use when setting up authentication, authorization, validation, queues, health checks, WebSockets, caching, or any @nestjs/* package. Even for simple NestJS tasks, this skill ensures correct import paths, proper decorator usage, and production-ready patterns. Covers NestJS v11 with Express v5, native JWT auth, Zod validation, Keyv caching, and Suites testing.
Guides the agent through upgrading a Capacitor plugin from v4 to v5. Use when the plugin targets Capacitor 4 and needs the v5 migration path. Do not use for app upgrades, other major versions, or non-Capacitor plugins.
Enforces framework-native frontend development. Use the component library and CSS framework as intended — no overrides, no fighting the framework. Respects the design system, uses Tailwind best practices, and leverages the component library's built-in theming instead of bypassing it.
Use when writing, fixing, or editing TypeScript code that touches APIs, JSON, environment variables, storage, databases, browser APIs, SDKs, generated clients, or other external boundaries.
Use when writing, fixing, or editing TypeScript modules, classes, file structure, declaration order, vertical formatting, dependency direction, cohesion, coupling, dependency construction, temporal coupling, public exports, wiring, or over-abstraction.
Use when writing, fixing, editing, or refactoring TypeScript code, especially weak types, unclear names, duplicated logic, oversized functions, stale comments, boundary gaps, error handling, data modeling, async flows, module structure, or brittle tests.
Use when you want to search for or download experimentally-determined 3D structures for biomolecules (proteins, nucleic acids, bound ligands). Supports searching by sequence similarity, structure similarity, chemical and other attributes. Also use to get metadata about biomolecular structure experiments.