io.github.HoangNguyen0403/agent-skills-standard/nextjs-testing

Write Jest or Vitest unit tests with React Testing Library and Playwright E2E tests for Next.js projects. Use when testing components with RTL, mocking APIs with MSW, or creating Playwright user flow tests.

io.github.HoangNguyen0403/agent-skills-standard/nextjs-state-management

Apply best practices for managing URL, server, and client state in Next.js applications. Use when choosing between URL params, SWR/TanStack Query, Zustand, or Context for state, or when fixing hydration mismatches from localStorage.

io.github.HoangNguyen0403/agent-skills-standard/nextjs-security

Secure Next.js App Router with middleware auth, Server Action validation, CSP headers, and taint APIs. Use when adding authentication middleware, validating Server Action inputs with Zod, or preventing secret leakage to client bundles.

io.github.HoangNguyen0403/agent-skills-standard/nextjs-rendering

Select and implement SSG, SSR, ISR, Streaming, or Partial Prerendering strategies in Next.js App Router. Use when choosing a rendering mode for a page, configuring generateStaticParams, or enabling PPR.

io.github.HoangNguyen0403/agent-skills-standard/nextjs-pages-router

Implement Pages Router data fetching with getServerSideProps, getStaticProps, and API routes in Next.js legacy projects. Use when working in a pages/ directory project, adding SSR/SSG data fetching, or creating API routes.

io.github.HoangNguyen0403/agent-skills-standard/nextjs-optimization

Optimize images, fonts, scripts, and metadata for Next.js performance and Core Web Vitals. Use when configuring next/image for LCP, next/font for zero layout shift, next/script loading strategies, or generateMetadata for SEO.

io.github.HoangNguyen0403/agent-skills-standard/nextjs-i18n

Best practices for multi-language handling, locale routing, and detection strategies across App and Pages Router. Use when adding i18n, locale routing, or language detection in Next.js.

io.github.HoangNguyen0403/agent-skills-standard/nextjs-data-fetching

Implement Fetch API, Caching, and Revalidation strategies in Next.js. Use when fetching data, configuring cache behavior, or implementing revalidation in Next.js.

io.github.HoangNguyen0403/agent-skills-standard/nextjs-data-access-layer

Build secure, reusable data access patterns with DTOs, taint checks, and colocated authorization in Next.js. Use when centralizing database queries, transforming raw data to DTOs, adding server-only guards, or preventing sensitive data from reaching Client Components.

io.github.HoangNguyen0403/agent-skills-standard/nextjs-caching

Configure the 4 caching layers in Next.js: request memoization, data cache, full-route cache, and router cache. Use when setting revalidation strategies, invalidating cached data with tags, or diagnosing stale data bugs.

io.github.HoangNguyen0403/agent-skills-standard/nextjs-authentication

Secure token storage (HttpOnly Cookies) and Middleware patterns. Use when implementing authentication, secure session storage, or auth middleware in Next.js.

io.github.HoangNguyen0403/agent-skills-standard/nextjs-architecture

Structure Next.js projects with Feature-Sliced Design layers, domain-grouped slices, and strict import hierarchy. Use when organizing features into FSD layers, enforcing slice boundaries, or keeping page.tsx thin.

io.github.HoangNguyen0403/agent-skills-standard/nextjs-app-router

Configure file-system routing with nested layouts, route groups, parallel routes, and error boundaries in Next.js App Router. Use when creating page routes, adding loading/error states, or organizing routes with groups and dynamic segments.

io.github.xiaolai/vmark/css-design-tdd

Test-driven CSS design system modifications. Run checks before/after CSS changes to verify token usage, variable definitions, fallbacks, and consistency. Use when modifying CSS tokens, fixing design inconsistencies, or auditing CSS architecture.

io.github.getsentry/sentry-mcp/mcp-audit

Audit MCP servers for protocol compliance, metadata drift, and compatibility regressions. Use when reviewing tool annotations, tool/result schemas, structured output, lifecycle/init handshake, capabilities, prompts/resources support, transports, auth, security, version drift, or Warden/CI MCP compatibility checks. Trigger phrases include "audit MCP", "check MCP spec compliance", "review tool hints", "validate tools/list", "check initialize handshake", "review prompt or resource capabilities", and "check MCP compatibility in Warden".

io.github.tctinh/agent-hive/docker-mastery

Use when working with Docker containers — debugging container failures, writing Dockerfiles, docker-compose for integration tests, image optimization, or deploying containerized applications

io.github.oimiragieo/agent-studio/kubernetes-flux

Kubernetes cluster management and troubleshooting. Query pods, deployments, services, logs, and events. Supports context switching, scaling, and rollout management. Use for Kubernetes debugging, monitoring, and operations.

io.github.openai/plugins/metric-pack-designer

Design custom metric packs for plugin-eval so teams can add local evaluation rubrics that emit schema-compatible checks and metrics. Use when the user wants their own evaluation criteria or visualizations.

io.github.openai/plugins/deployments-cicd

Vercel deployment and CI/CD expert guidance. Use when deploying, promoting, rolling back, inspecting deployments, building with --prebuilt, or configuring CI workflow files for Vercel.

io.github.openai/plugins/nextjs

Next.js App Router expert guidance. Use when building, debugging, or architecting Next.js applications — routing, Server Components, Server Actions, Cache Components, layouts, middleware/proxy, data fetching, rendering strategies, and deployment on Vercel.

io.github.openai/codex/code-review-context

Model visible context

io.github.bitwarden/clients/writing-client-code

Bitwarden client code conventions for Angular and TypeScript. Use when creating components, services, or modifying web/browser/desktop apps.

io.github.bitwarden/server/writing-database-queries

Bitwarden database architecture, migrations, and dual-ORM strategy. Use when working with `.sql` files, stored procedures, EF migrations, or database schema changes. Also use when deciding whether a change needs both Dapper and EF Core implementations, or whether a breaking stored-procedure change requires `_V2` versioning.

io.github.bitwarden/server/writing-server-code

Bitwarden server code conventions for C# and .NET. Use when working in the server repo, creating commands, queries, services, or API endpoints. Also use when writing xUnit tests with `SutProvider`/`BitAutoData`, registering DI, or generating entity IDs.