ts-dev-kit

Next.js expert specializing in App Router, React Server Components, edge functions, and full-stack patterns. Use when building pages, implementing data fetching, configuring routing, optimizing SEO, or working with server actions.

Accessibility specialist ensuring WCAG 2.1 AA compliance and inclusive design. Use when building UI components, reviewing accessibility, fixing screen reader issues, implementing keyboard navigation, or auditing contrast.

Fastify 5 API developer for REST endpoints with Zod validation and type-safe contracts. Use when creating endpoints, route handlers, request/response validation, or API contracts.

Senior engineer who reviews code for correctness, security, performance, and maintainability. Use after writing or modifying code, before commits, or when reviewing PRs.

PostgreSQL and Drizzle ORM specialist for schema design, migrations, complex queries, indexes, and PostGIS geospatial operations. Use when designing schemas, writing complex queries, optimizing performance, or planning migrations.

BullMQ queue system reference for Redis-backed job queues, workers, flows, and schedulers. Use when: (1) creating queues and workers with BullMQ, (2) adding jobs (delayed, prioritized, repeatable, deduplicated), (3) setting up FlowProducer parent-child job hierarchies, (4) configuring retry strategies, rate limiting, or concurrency, (5) implementing job schedulers with cron/interval patterns, (6) preparing BullMQ for production (graceful shutdown, Redis config, monitoring), or (7) debugging stalled jobs or connection issues

Adapts ts-dev-kit plugin files to the host project where it is installed. Use when: (1) installing ts-dev-kit in a new project for the first time, (2) project tech stack or structure has changed, (3) agents reference wrong paths, unavailable skills, or missing MCPs, (4) the user says 'adapt the plugin', 'configure ts-dev-kit for this project', 'sync plugin to this codebase', or 'update plugin context'. Surgically edits specific sections in plugin skills and agent definitions — domain area tables, skill/MCP references, quality gate commands, project paths, and package names — without touching any workflow logic, execution protocols, or dispatch patterns.

React composition patterns that scale. Use when refactoring components with boolean prop proliferation, building flexible component libraries, or designing reusable APIs. Triggers on tasks involving compound components, render props, context providers, or component architecture. Includes React 19 API changes.

Write, review, and validate commit messages following the Conventional Commits v1.0.0 specification. Use when: (1) crafting a git commit message for any change, (2) reviewing or correcting an existing commit message, (3) choosing the right commit type for a change, (4) deciding how to mark a breaking change, (5) writing multi-line commits with body and footers, or (6) understanding how commits map to SemVer bumps (PATCH/MINOR/MAJOR). Covers all standard types: feat, fix, docs, chore, refactor, perf, test, build, ci, style, revert.

Core Web Vitals reference for measuring, diagnosing, and improving LCP, INP, and CLS. Use when: (1) auditing page performance against Google's thresholds, (2) implementing the web-vitals JS library for field monitoring, (3) diagnosing slow LCP, high INP, or layout shifts, (4) choosing between field and lab measurement tools, (5) optimizing specific metrics with the Chrome team's top recommendations, (6) explaining what each metric measures to non-technical stakeholders, or (7) generating a visual CWV report from metric values or a Lighthouse JSON file.