check-errors
Find error handling gaps including swallowed exceptions, missing handlers, inconsistent error responses, and reactive error handling issues
Find error handling gaps including swallowed exceptions, missing handlers, inconsistent error responses, and reactive error handling issues
This skill should be used when the user asks to "add client interactivity", "implement form validation", "add event handlers", "use client state", "add Zod validation", "implement React hooks", "add local state", "make component interactive", "add form with validation", "use React Hook Form", or needs guidance on client-side events, form handling, optimistic updates, or when to add "use client" directive.
Generates Django models with proper field types, relationships, and migrations. Use when creating Django models or database schemas.
Extracts 'version' or 'uuid' fields from YAML frontmatter using uv.
HTMLプレゼンテーションスライドを生成するスキル。Kanagawaテーマ、GSAPアニメーション、23種類のスライドタイプ対応。ホバーエフェクト・ツールチップによるインタラクティブ機能、無料CDNアイコン(FontAwesome 6 Free推奨)、GASデプロイ可能な1ファイルHTML出力。 Anchors: • Presentation Zen (Garr Reynolds) / 適用: スライド構成 / 目的: 1スライド1メッセージの原則 • GSAP 3.x / 適用: アニメーション / 目的: スライドタイプ別enter/leaveアニメーション • Kanagawa Color Scheme / 適用: テーマ / 目的: 一貫したカラーパレット • FontAwesome 6 Free / 適用: アイコン / 目的: 無料CDN、2000+アイコン、ブランドロゴ対応 Trigger: Use when user requests creating HTML presentation slides, generating slide decks, or building animated presentations with Kanagawa theme. プレゼン, スライド, プレゼンテーション, HTMLスライド, Kanagawa, 発表資料, presentation, slides
Build Backstage backend plugins with createBackendPlugin and core services: DI, httpRouter, secure-by-default auth, Knex DB, routes, testing. Use for APIs and background jobs.
Load feature requirements, design, and implementation plan when working on in-progress features. Use when user is implementing code, debugging, asking about requirements, or making changes related to a tracked feature. Silently loads context files to inform responses.
Claude Code スラッシュコマンドの基本構造(YAML frontmatter/本文パターン/ファイル構造)を整理し、最小構成と設計判断を支援するスキル。 frontmatter設計、本文パターン、配置ルールを一貫して整理する。 Anchors: • The Pragmatic Programmer (Andrew Hunt, David Thomas) / 適用: 構造設計の実務 / 目的: コマンド構造の再現性確保 • 18-skills.md 仕様 / 適用: スキル構造の整合 / 目的: frontmatter規約の統一 Trigger: Use when designing slash command structure, defining YAML frontmatter fields, or establishing consistent command composition patterns. command structure, YAML frontmatter, command composition, minimal command template
Cloudflare R2 storage handler for fractary-file plugin
Comprehensive Blazor development expertise covering Blazor Server, WebAssembly, and Hybrid apps. Use when building Blazor components, implementing state management, handling routing, JavaScript interop, forms and validation, authentication, or optimizing Blazor applications. Includes best practices, architecture patterns, and troubleshooting guidance.
Detailed specifications for Uploader Plugin System and Annotation Subsystem features
Critical Phoenix HTML and HEEx template guidelines that prevent common bugs and syntax errors. Use when writing Phoenix templates, HEEx files, LiveView templates, or any code using `~H` sigils. Prevents common mistakes with form handling, conditional syntax, class attributes, interpolation, and template comments that cause compilation errors or runtime bugs.
Checks websites for WCAG 2.1 Level AA compliance, identifies accessibility violations, and provides remediation guidance. Use when user asks to "check accessibility", "wcag compliance", "a11y audit", "accessibility violations", or "screen reader testing".
Next.js SEO optimization guide. Use when building Next.js apps, optimizing for search engines, fixing Google indexing issues, implementing metadata, sitemaps, robots.txt, JSON-LD, or auditing SEO.
Interactive configuration wizard for the fractary-file plugin, guiding users through storage handler setup with validation
Modern React SPA development with React Router v7, Jotai state management, and Vite tooling. Use for building single-page applications with client-side routing, global state, forms, and async data loading. Triggers: react, spa, single page application, react-router, jotai, vite, bun, client-side routing, react hooks, useState, useEffect.
Scaffolds a new design in the design-inspirations repo with preview component, detail page, and main page entry. Use when creating a new design, adding a design inspiration, or scaffolding design files.
Creates image carousels with hover-activated auto-advance, touch swipe support, and animated progress indicators. Use when building image galleries, product showcases, or any multi-image display with navigation.
Core GPUI concepts including contexts, windows, entities, elements, and rendering. Use when learning GPUI basics, understanding the framework architecture, or implementing core UI patterns.
Agent Skill: DDEV setup for TYPO3 extension development. Use when setting up local dev environment or multi-version testing (11.5/12.4/13.4/14.0). By Netresearch.
Validate, test, and distribute Claude Code plugins and marketplaces. Use when developing plugins, debugging validation errors, or preparing for distribution.
Adds a complete blog feature to an existing Blazor WebAssembly Static Web App with Azure Functions backend and Azure File Share for markdown storage. Use when implementing blog functionality in .NET Blazor WASM projects with Azure infrastructure. Includes post listing, detail pages, markdown rendering, Azure Storage integration.