Skills（SKILL.md）は、AIエージェント（Claude Code、Cursor、Codexなど）に特定の能力を追加するための設定ファイルです。
詳しく見る →Use when requirements specify risky technical assumptions, unfamiliar APIs, or complex integrations before implementing full features - creates sequential POC plans with parallel research validation, design documentation, and risk mitigation for incremental confidence building
This skill should be used when users need to generate ideas, explore creative solutions, or systematically brainstorm approaches to problems. Use when users request help with ideation, content planning, product features, marketing campaigns, strategic planning, creative writing, or any task requiring structured idea generation. The skill provides 30+ research-validated prompt patterns across 14 categories with exact templates, success metrics, and domain-specific applications.
You are to operate as an expert full-stack dotnet angular principle developer, software architect, and technical analyst to analyze all file changes between branches, perform comprehensive impact anal
Expert full-stack analyst for branch diff analysis, impact assessment, and spec synchronization.
Provides Jungian brand archetype frameworks, the 12 archetypes with profiles, the 70/30 primary/secondary rule, archetype combinations, and selection templates. Auto-activates during brand archetype selection, emotional positioning, and brand personality work. Use when discussing brand archetypes, Jungian archetypes, 12 archetypes, Hero, Outlaw, Magician, Creator, Lover, Jester, Everyman, Caregiver, Ruler, Sage, Explorer, Innocent, 70/30 rule, Mark-Pearson, or archetype combinations.
Evaluate and strengthen Northcote Curio brand style briefs by identifying
Provides brand color psychology and strategic palette development frameworks including Color-in-Context Theory, 60-30-10 Rule, color harmony systems, archetype color associations, Blue Ocean color differentiation, cultural considerations, and accessibility requirements. Auto-activates during brand color selection, palette development, color psychology discussions, and color strategy work. Use when discussing brand colors, color palettes, color psychology, color differentiation, color accessibility, color harmony, WCAG compliance, or color specifications.
Generate and maintain brand style guides - colors, fonts, imagery, voice/tone, responsive specs. Use when documenting brand identity or creating style guide pages.
Comprehensive brand identity system including brand strategy, visual identity (colors, typography, logo direction), messaging architecture (taglines, boilerplates), and tone of voice guidelines with before/after examples and implementation roadmap.
Template skill providing the single source of truth for brand guidelines, design tokens, technology choices, and voice/tone. Customize this template for your brand. Use when generating UI components, styling applications, writing copy, or creating user-facing assets to ensure brand consistency.
Provides the single source of truth for brand guidelines, design tokens, technology choices, and voice/tone. Use this skill whenever generating UI components, styling applications, writing copy, or creating user-facing assets to ensure brand consistency.
Provides brand messaging architecture, value proposition, and brand pillar development frameworks including Peep Laja's Message Layers, Osterwalder's Value Proposition Canvas, Geoffrey Moore positioning template, April Dunford's Five Components, StoryBrand SB7, Andy Raskin's Strategic Narrative, the Messaging House, and MECLABS quality tests. Auto-activates during messaging framework development, value proposition creation, and brand pillar definition. Use when discussing messaging architecture, value proposition, brand pillars, message layers, messaging house, messaging hierarchy, elevator pitch, Peep Laja, Geoffrey Moore, April Dunford, StoryBrand, Andy Raskin, or MECLABS.
Provides brand values frameworks, differentiation tests, discovery questions, and behavior mapping templates. Auto-activates during values definition, core values curation, and values testing. Use when discussing brand values, core values, Lencioni's four categories, opposite test, antivalue, fire someone test, operationalizing values, Brene Brown values process, values discovery, or permission-to-play values.
Complete Brand World Design methodology for developing comprehensive brand strategy. Use when users need brand positioning, purpose discovery, audience definition, creative strategy, or want to create a Brand World Document. Includes FOR/ONLY/BECAUSE framework, PITS (Problem-Insight-Truth-Solution), and Seven Chambers journey structure.
Skill para gerar e validar dados brasileiros (CPF/CNPJ) no Easy Budget.
Book Requirements Document (BRD) structure, systematic question frameworks for thorough book concept interviews, and genre-specific considerations for fiction vs nonfiction projects.
This skill should be used when analyzing market breadth charts, specifically the S&P 500 Breadth Index (200-Day MA based) and the US Stock Market Uptrend Stock Ratio charts. Use this skill when the user provides breadth chart images for analysis, requests market breadth assessment, positioning strategy recommendations, or wants to understand medium-term strategic and short-term tactical market outlook based on breadth indicators. All analysis and output are conducted in English.
This skill provides guidance for XSS filter bypass tasks where the goal is to craft HTML payloads that execute JavaScript despite sanitization filters. Use this skill when tasks involve bypassing HTML sanitizers (like BeautifulSoup), exploiting parser differentials between server-side sanitizers and browsers, or security testing/CTF challenges involving XSS filter evasion.
Brief-specific design system, typography, colors, and component patterns
Brief-specific code patterns and conventions
8-mode brightness system implementation with CSS custom properties. Use when implementing theme switching, color tokens, or fixing brightness-related issues.
Alpaca broker limitations: crypto shorts blocked (broker doesn't support), stock shorts allowed. Trigger when: (1) shorting gate blocks wrong assets, (2) SELL signals blocked, (3) order type confusion.
Use this skill when working with Brokle's domain-driven architecture, including creating new domains, modifying domain entities, designing cross-domain interactions, refactoring domain boundaries, or implementing complex domain logic. This is a specialized architectural skill.
Analyzes existing brownfield projects to map documentation to SpecWeave's structure (PRD/HLD/Spec/Runbook). Use when migrating existing projects to SpecWeave, scanning legacy docs, or creating project context maps. Detects external tools (JIRA, ADO, GitHub) and supports incremental or comprehensive migration paths.
Intelligently onboards brownfield projects by merging existing CLAUDE.md backups into SpecWeave structure. Use when installing SpecWeave into existing projects with CLAUDE.md, merging documentation, or importing project knowledge. Distributes content to appropriate folders without bloating main CLAUDE.md.
Use when debugging web applications or automating browser tasks. Leverage Chrome DevTools MCP for inspection, performance analysis, and automated testing.
Persistent browser automation via Playwright daemon. Keep a browser window open and send it commands (navigate, execute JS, inspect console). Perfect for interactive debugging, development, and testing web applications. Use when you need to interact with a browser repeatedly without opening/closing it.
Integrating Chrome DevTools and browser automation via MCP for live UI inspection, screenshot-to-code workflows, and visual debugging. Bridges the gap between design and implementation.
Browser debugging and automation using Playwright. Use for web debugging, console monitoring, network analysis, screenshot capture, DOM inspection, and UI testing during development.
Master specialized skill for building 2025/2026-grade browser extensions. Deep expertise in Manifest v3, Service Worker persistence (Alarms, Offscreen API), Side Panel API, and Cross-Browser compatibility.
browser-recording
Browser automation for testing IntelliFill. Replaces puppeteer MCP to save ~4.8k tokens.
This skill should be used when performing browser-based exploratory testing of web applications, including functional testing, visual inspection, accessibility checks, and performance analysis. Triggers when testing web UIs, checking for browser bugs, validating WCAG compliance, or measuring Core Web Vitals.
Use when testing web applications with visual verification - automates Chrome browser interactions, element selection, and screenshot capture for confirming UI functionality
Interactive browser automation via Chrome DevTools Protocol. Use when you need to interact with web pages, test frontends, or when user interaction with a visible browser is required.
Browser automation using Playwright MCP. Navigate websites, fill forms, click elements, take screenshots, and extract data. Use when tasks require web browsing, form submission, web scraping, UI testing, or any browser interaction.
Real-time browser debugging and interaction via WebSocket bridge server on localhost:3141
browsing-with-playwright
As a REST API expert, when creating Bruno endpoints, follow these proven patterns for professional API testing and documentation:
Skriptoteket-specific brutalist/academic UI design for the Vue 3 + Vite SPA. Uses Tailwind v4 utilities mapped to HuleEdu tokens and SPA primitives.
Guidelines for contributing to brynhild itself - use when making changes to the brynhild codebase, running tests, or understanding project conventions
BackToBack/ByTheBooks (BTB) - An in-repo collaboration pattern for Human-AI engineering teams. Use this skill when working in repositories with a SPECS/ directory containing README.md, PROGRESS.md, and design documents. BTB emphasizes documentation-driven development, mandatory progress tracking before commits, and a feedback loop between design → MVP → implementation.
Use btca (Better Context App) to efficiently query and learn from the bknd backend framework. Use when working with bknd for (1) Understanding data module and schema definitions, (2) Implementing authentication and authorization, (3) Setting up media file handling, (4) Configuring adapters (Node, Cloudflare, etc.), (5) Learning from bknd source code and examples, (6) Debugging bknd-specific issues
Build terminal user interfaces with Go and Bubbletea framework. Use for creating TUI apps with the Elm architecture, dual-pane layouts, accordion modes, mouse/keyboard handling, Lipgloss styling, and reusable components. Includes production-ready templates, effects library, and battle-tested layout patterns from real projects.
Debugs Buck2 build failures systematically by analyzing error logs, checking common issues (cache, visibility, cycles), and suggesting fixes. Use when builds fail, tests won't run, or Buck2 reports errors.
Create Buck2 tests with local resources (processes, services, databases) using LocalResourceInfo and ExternalRunnerTestInfo. Use when tests need external dependencies like databases, HTTP servers, message queues, or Unix sockets that Buck2 should manage automatically. (project)
Scaffolds new Buck2 projects with proper BUILD/PACKAGE files, SPDX headers, and depot shims. Use when creating new Rust binaries/libraries, Deno tools, or C++ projects in the monorepo. Ensures consistent structure and metadata from the start.
Comprehensive testing workflow that should be used proactively after ANY code changes. Covers immediate testing, recursive package validation with `...`, target determination for affected packages, and reverse dependency testing. Use this skill after modifying BUILD files, changing code, fixing tests, or before committing to ensure nothing breaks downstream. (project)
Create, manage, and optimize budgets for projects, departments, and organizations with variance tracking and scenario planning
Target-agnostic bug bounty hunting methodology with parallel recon, systematic testing workflows, and vulnerability-specific exploitation guidance