Implement business logic with ActiveInteraction and AASM state machines. Routes to specialized skills for typed operations and state management.

Create and refactor Python dataclass business models and mappers following clean architecture patterns with proper separation of concerns.

Complete Business Model Canvas design with all 9 blocks analyzed. Transforms validated ideas into viable business models with revenue clarity and operational strategy.

Business strategy expert - defines users, value propositions, use cases, and business requirements. Connects technical development with market realities and ROI. Includes LATAM market (Chile) specialization.

Convert C/C++ project build.sh and test.sh scripts to support incremental builds. Use when fixing build scripts for re-execution after docker commit, converting to out-of-tree builds, or making scripts idempotent for repeated execution.

Expert C4 Code-level documentation specialist. Analyzes code

Expert C4 Component-level documentation specialist. Synthesizes C4

Expert C4 Container-level documentation specialist. Synthesizes

ALWAYS use this skill proactively for Consumer Affairs Django repositories (located in ../ca/ directory) when ANY of these occur - (1) User mentions coverage, codecov, test coverage, partial coverage, branch coverage, or uncovered lines/code (2) User asks to write tests, add tests, run tests, or fix test failures (3) User asks to implement features, fix bugs, or modify code in CA repos and tests are needed (4) User provides a file path containing 'test' or 'tests' in CA repos (5) After writing new code in CA repos that needs test coverage. This skill handles Django test execution using the 'ca magictest' command and ensures 100% code coverage for CI requirements.

Expert CAD Engineering Specialist with comprehensive knowledge of CAD

Scans Cairo/StarkNet smart contracts for 6 critical vulnerabilities including felt252 arithmetic overflow, L1-L2 messaging issues, address conversion problems, and signature replay. Use when auditing StarkNet projects.

This skill should be used when fixing Vue.js calendar task scheduling issues, specifically when tasks with due dates incorrectly appear in calendar grid instead of staying in calendar inbox. The skill provides comprehensive research-backed solutions for separating task management from calendar scheduling with mandatory Playwright testing.

Use to structure concise call briefs with objectives, agendas, and role

Implement canary deployment strategies to gradually roll out new versions to subset of users with automatic rollback based on metrics.

Canonical specification format reference. Use when understanding the canonical spec schema, field requirements, provider-agnostic specification structure, or validating specifications against the schema.

Manages assignment submissions on Canvas LMS. Identifies missing submissions from grade records, prepares files with proper naming conventions, and submits assignments. Handles course identification, assignment listing, submission status checking, file preparation, and automated submission.

Senior CAPA Officer specialist for managing Corrective and Preventive Actions within Quality Management Systems. Provides CAPA process management, root cause analysis, effectiveness verification, and continuous improvement coordination. Use for CAPA investigations, corrective action planning, preventive action implementation, and CAPA system optimization.

Identify capability gaps and propose new skills with prioritization. Use when analyzing missing capabilities, planning skill development, performing ontology expansion, or assessing coverage.

Check if a specific action is possible and what might be blocking it. Use when asking if you can do something, checking permissions, verifying a capability exists, or troubleshooting why something isn't working. Trigger words: can I, capability, able to, permission, possible, how do I.

Complete CI/CD guide for Capacitor apps covering GitHub Actions, GitLab CI, build automation, app signing, and deployment pipelines. Use this skill when users need to automate their build and release process.

Complete catalog of 80+ Capgo Capacitor plugins. Use this skill when users need to add native functionality to their Capacitor apps, want to know which plugin solves a specific problem, or need help choosing between plugin options.

Comprehensive security guide for Capacitor apps using Capsec scanner. Covers 63+ security rules across secrets, storage, network, authentication, cryptography, and platform-specific vulnerabilities. Use this skill when users need to secure their mobile app or run security audits.

Complete testing guide for Capacitor apps covering unit tests, integration tests, E2E tests, and native testing. Includes Jest, Vitest, Playwright, Appium, and native testing frameworks. Use this skill when users need to test their mobile apps.

Use to model bookings targets vs headcount, ramp, and productivity assumptions.

Take a screenshot of Unity Editor windows and save as PNG image. Use when you need to: (1) Screenshot the Game View, Scene View, Console, Inspector, or other windows, (2) Capture current visual state for debugging or documentation, (3) Save what the Editor looks like as an image file.

Comprehensive coding standards and architectural patterns for the CareBridge eldercare management application. Includes critical patterns for case context management, Stripe integration, Next.js 15 requirements, component creation rules, and database operations. This skill should be used whenever working on the CareBridge codebase to ensure consistency and prevent common mistakes.

Career Advisor agent for PhD application planning and career management. Helps with university research, application tracking, professor matching, and career documentation.

경력기술서(5페이지+) 작성이 필요할 때

cargo-tools

Writes compelling customer success stories with measurable results. Use when the user asks about case studies, success stories, customer stories, client wins, testimonials, or proof of results.

cash-flow-analysis

Search and retrieve content from past AI coding sessions.

Defines the standard 8-category taxonomy for classifying project files: Config, Tests, Docs, Scripts, Source Code, Data, AI Tooling, and Other. REFERENCE THIS SKILL whenever categorizing files, auditing project structure, or answering 'what types of files are here.' Apply these categories and patterns whether using the bundled script or manual analysis.

Expert Electrical Engineer specializing in cathodic protection (CP) systems

Query the China Biographical Database (CBDB) API to retrieve comprehensive biographical data about historical Chinese figures. Use this skill when searching for information about Chinese historical figures, scholars, officials, or literary figures from the 7th century BCE through the 19th century CE. Applicable for queries about biographical details, social relationships, official positions, or when users mention specific Chinese names or CBDB person IDs.

Comprehensive Chrome DevTools automation for performance testing, Core Web Vitals measurement (INP, LCP, CLS), network monitoring, accessibility validation, responsive testing, and browser automation. Uses Chrome DevTools Protocol via MCP to provide professional-grade web application testing, debugging, and analysis capabilities including performance tracing, HAR export, device emulation, and multi-page workflows.

This skill should be used when starting any feature or bug fix, exploring unfamiliar code, making commits or PRs, or when unsure which agent or approach to use. Covers agent routing, git discipline, testing workflow, and proactive quality practices.

This skill should be used when users want to create, configure, or debug Claude Code hooks. Hooks are shell commands that execute at various points in Claude Code's lifecycle (PreToolUse, PostToolUse, Stop, SessionStart, etc.). Use this skill when users ask to create custom automation, file protection, code formatting hooks, notifications, or any lifecycle-based triggers for Claude Code.

Audit integration strategy and daily build processes (CHECKER) or select optimal integration approach and configure CI/CD (APPLIER). Use when integrating components, planning integration order, setting up build processes, or diagnosing integration failures. Triggers on: integration hell, late-stage defects, unclear integration order, no daily build, broken builds, Big Bang integration, smoke test stale. Produce integration strategy recommendations, build process configuration, 13-item checklist assessment with severity ratings.

Extend marketplace plugins with project-specific context using `.local.md` files. These files bridge general plugin skills to a specific codebase.

Refactor codebases using Design by Typed Holes methodology - iterative, test-driven refactoring with formal hole resolution, constraint propagation, and continuous validation. Use when refactoring existing code, optimizing architecture, or consolidating technical debt through systematic hole-driven development.

Complete guide for separating meta-configurations (Claude Code tool configuration) from domain configurations (project implementation). Learn how to avoid conflicts when working with multiple projects, especially those using agent SDKs/ADKs like Google ADK, LangChain, or Anthropic SDK. Covers namespace isolation, prefixing conventions, CLAUDE.md hierarchy, scope declaration, and conflict detection strategies.

Specialized guidance for developing cc-sessions API commands and subsystems for state management, task operations, configuration, and protocol execution

Specialized guidance for creating, modifying, and debugging cc-sessions hooks that enforce DAIC discipline, write-gating, and framework integrity

Project Guidelines Skill (Example)

Use when creating project rules, adding .claude/rules/*.md files, or scoping rules to specific files with globs for token efficiency.

Systematic debugging with Linear integration and structured troubleshooting workflow.

Meta-skill for creating new CCPM skills with proper structure and conventions.

This skill generates self-contained p5.js celebration animations for educational MicroSims. Use this skill when users request creating new celebration animations, particle effects, reward animations, or visual feedback for student achievements. The skill creates a new animation JavaScript file in /docs/sims/shared/animations/ and integrates it with the animation-lib-tester MicroSim for testing.