Frontend

FastMCP framework documentation - build MCP servers and clients in Python with tools, resources, prompts, auth, and middleware.

TanStack Start server/client code boundary patterns. Use when: debugging virtual module resolution errors (tanstack-start-injected-head-scripts, tanstack-start-manifest, #tanstack-router-entry), importing from @tanstack/react-start/server, using getCookie/getRequestHeaders/getRequestUrl, adding providers to router.tsx, or when Vite fails to resolve TanStack Start imports. Covers createServerFn patterns, dynamic imports, and proper placement of server-only code.

Apply when setting up the development environment, running dev server, building, testing, or deploying the extension. Covers npm commands, CORS configuration, debugging, and deployment to ChurchTools.

Use when configuring project preferences in .c3/settings.yaml - diagram tools, layer guidance, guardrails, and handoff steps

Generate appropriate commit messages and maintain git log documentation. Use when preparing to commit changes, reviewing git history, or maintaining project change documentation. Provides commit message generation, git log maintenance, and quick command reference.

Senior Frontend QA Engineer with 10+ years JavaScript/TypeScript testing experience. Use when writing unit tests for React components, creating integration tests with React Testing Library, testing custom hooks, mocking APIs, or following TDD for frontend.

Build accessible user interfaces with semantic HTML, keyboard navigation, proper color contrast, ARIA attributes, and screen reader support. Use this skill when creating or modifying frontend UI components, HTML templates, JSX/TSX files, forms, interactive elements, modals, navigation menus, or any user-facing interface code. Use this when ensuring keyboard accessibility, adding ARIA labels and roles, providing alt text for images, managing focus states, implementing proper heading hierarchy, testing with screen readers, or ensuring sufficient color contrast ratios. Use this when working on .jsx, .tsx, .vue, .html, or component files that render UI elements.

nextjs-app-router expert with self-populating documentation

Lightweight vector database providing semantic code search with 97% storage savings. Uses graph-based selective recomputation for efficient RAG on codebases, documents, and any text content. Provides build, search, and ask commands via MCP integration.

Autogenerate production code from disambiguated business rules (BR-*). Converts BR-* specifications into validators, constants, and logic. Use when requirements have been disambiguated into BR-*, C-*, F-* format.

Guide for implementing code following the noop function-first, layered architecture. Use when writing handlers, services, database operations, or middleware. Automatically invoked when working on noop-based projects.

Webhook event handling patterns for email tracking (sent, delivered, bounced, opened, clicked). Use when implementing email event webhooks, signature verification, processing delivery events, logging email analytics, or building real-time email status tracking.

Standards for creating AGENTS.md files that guide AI coding agents working with your codebase. Use when creating instructions for AI agents to follow project conventions, setup, and workflows.

This skill should be used to answer questions and guide workflows related to the Graphite CLI. It assists with creating, managing, submitting, and synchronizing stacked code changes (diffs).

Build professionally designed, multi-source project status trackers that consolidate information from Gmail, Google Calendar, Google Drive, and Asana into Excel dashboards and interactive HTML visualizations with automated updates, intelligent blocker detection, and category-based organization.

Complete SaaS project creation orchestrator. Triggers when user wants to start a new SaaS project, build a full-stack application, or initialize a project from scratch. Guides through all SDLC phases.

Gera prototipos React (SPA) visuais completos num unico ficheiro HTML. Utiliza Tailwind e shadcn/ui. Ideal para visualizar dashboards do PCA Camocim.

Security requirements, threats, and controls that apply across this system.

Create interactive analytics dashboards with React components from drizzle-cube/client. Use when building dashboards, configuring portlets, setting up grid layouts, or creating analytics UIs with drizzle-cube React components.

Universal React/Next.js frontend expert. Handles shadcn/ui components, Tailwind CSS, Server/Client Components, anti-duplication checks. Auto-activates on keywords "frontend", "UI", "component", "page", "shadcn", "React", "Next.js" or paths app/**, components/**.