Custom Hypothesis strategy patterns for property-based testing. Activated when designing test data generators or property tests.

Comprehensive guide to writing testable product hypotheses that drive learning and prevent building the wrong things

Use Hypothesis for property-based testing to automatically generate comprehensive test cases, find edge cases, and write more robust tests with minimal example shrinking. Includes Polars parametric testing integration.

Automate internationalization and localization workflows for web applications with translation, key generation, and library setup

Expert in internationalization (i18n) and localization (l10n) with i18next, react-intl, multi-language support, RTL layouts, locale-specific formatting, translation management, and automated text extraction

Internationalization specialist for Phoenix/Elixir applications. Use when you need to extract hardcoded strings and replace them with gettext calls, manage translation files (POT/PO), or provide translations for French and Italian. Handles templates (.heex), controllers, LiveViews, error messages, and UI text.

Generate markdown presentations compatible with IA Presenter. Use when the user requests to create an IA Presenter presentation, generate an IA Presenter document, or convert content into an IA Presenter markdown file. Also use when the user asks to create a presentation in markdown format without specifying a tool.

Find replacement icons for migration. Use when migrating old code that uses icons not available in the new system, or when you need to find a suitable icon from the available icon set.

Use when testing Claude Code Mobile app on iOS simulator with IDB CLI, when xc-mcp tools unavailable, or when needing testID-based UI automation - provides systematic workflow for finding elements by testID, tapping, typing, and verifying interactions using IDB accessibility tree

idea-consultant

Normalize an idea into a consistent structure (writes to ideas/<IDEA_ID>/runs and updates ideas/<IDEA_ID>/latest). If Open Questions exist, ask the user and finalize with captured answers.

Intent-Driven Systems Engineering (IDSE) methodology for structured software development. Use when users want to: (1) Plan a new feature or project systematically, (2) Create engineering artifacts (intent, context, spec, plan, tasks), (3) Move from vague ideas to structured implementation plans, (4) Generate specifications before writing code, (5) Break work into atomic testable tasks, (6) Follow a constitutional engineering approach. Triggers: 'help me plan', 'create a spec', 'IDSE', 'intent-driven', 'write a specification', 'break this into tasks', 'implementation plan', 'what should I build first', 'structured engineering', 'plan before code'.

Ignore file management for .gitignore, .dockerignore, and .specstory directories. Includes synchronization, alphabetical ordering, organization, best practices, and testing guidelines. Activate when working with .gitignore, .dockerignore, .specstory files, or managing version control and Docker build context.

Deploy Integrated Information Theory (Φ) as consciousness measurement and recognition framework

GLM-4.6v image analysis subagent for game screenshot and sprite quality assessment

Fetch and download images from the internet in various formats (JPG, PNG, GIF, WebP, BMP, SVG, etc.). Use when users ask to download images, fetch images from URLs, save images from the web, or get images for embedding in documents or chats. Supports single and batch downloads with automatic format detection.

Generate website images with Gemini 3 Native Image Generation. Covers hero banners, service cards, infographics with legible text, and multi-turn editing. Includes Australian-specific imagery patterns. Use when stock photos don't fit, need text in images, or require consistent style across assets. Prevents 5 documented errors.

Professional illustrator with expert knowledge of the image generation script, image conversion tools, and layout design. Use when creating visual assets, generating images with specific styles, converting image formats, composing layouts, or designing visual compositions.

Docker 镜像管理

Optimize images for web to reduce file size without sacrificing quality. Use compression, modern formats, and responsive techniques for faster loading.

Development guidelines for Quantum Skincare's Python FastAPI image processor microservice. Covers FastAPI patterns, Perfect Corp API integration, MediaPipe FaceMesh validation, correlation headers, access control (CIDR + X-Internal-Secret), error handling, Pydantic models, structured logging, mock mode, provider normalization, and testing strategies. Use when working with image-processor code, routes, validation pipeline, Perfect Corp integration, or Python/FastAPI patterns.

Analyze and document the impact of planned changes.

Implement feature with interleaved testing

ARC (Algorand Request for Comments) standards define conventions for encoding, method calls, and application specifications on Algorand. This skill covers the most essential ARCs for smart contract de

Step-by-step guide for implementing Hexagonal Architecture ports and adapters.

Execute Preflight phase for /itp:go workflow. TRIGGERS - ADR creation, design spec, MADR format, preflight verification.

implement-repository-pattern

Implement step definitions for Gherkin scenarios, translating Given/When/Then into executable test code. Use after write-scenario when scenarios are defined but step definitions are missing.

Implements Z-Wave CTT (Certification Test Tool) test handlers for automating certification tests. Use when asked to create handlers for a given test, which includes automating CTT log parsing and prompt responses.

Implement features using Test-Driven Development (TDD). Executes red-green-refactor cycle, uses bmad-commands for file operations and testing, verifies acceptance criteria. This skill should be used when implementing new features or functionality from task specifications with test coverage.

Generates structured implementation guidance documents for technical issues, bug fixes, and feature development. Use when creating actionable implementation plans with file references, code locations, and step-by-step approaches following Obsidian markdown formatting standards.

Executes implementation tasks using Test-Driven Development, prevents code duplication through anti-duplication checks, and maintains quality through continuous testing. Use when implementing features from tasks.md, during the /implement phase, or when the user requests TDD-based implementation. (project)

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Use when you have specifications or requirements for multi-step implementation tasks requiring comprehensive documentation for handoff

Master orchestrator that generates all implementation specs (PRD, Architecture, UX, Implementation, Test, Release) from product plan. Use when generating complete specification package.

Use after implementation complete to verify all tasks done, update roadmap, run full test suite, and create final report - ensures implementation completeness before finishing development branch

Implement features with code, tests, and documentation. Use when building

Complete TDD workflow for implementing business logic (use cases) and API endpoints that make tests pass. Covers Zod safeParse validation, async/await patterns, Next.js API routes, service orchestration, and Clean Architecture compliance.

Write production-quality code following project patterns. Use when implementing features, fixing bugs, or creating new files. Includes Context7 library documentation lookup.

Implements new Agent Skills for the project. Identifies the AI coding tool (Cursor, Claude Code, Gemini CLI), ensures specification compliance, and provides specialized templates. Use when creating, authoring, or adding a new skill, or when the user asks about Agent Skills format or SKILL.md.

Phylax Credible Layer assertions implementation. Implements phylax/credible layer assertion contracts using cheatcodes, triggers, and event/state inspection.

Guides Test-Driven Development for this Neovim plugin project. Use when implementing new features or fixing bugs that require behavioral changes. Includes project-specific tooling (make test/lint/check) and Lua/Busted testing patterns. Follows strict RED-GREEN-REFACTOR cycle.

Enables mouse event reception for WPF FrameworkElement using DrawingContext by drawing transparent backgrounds. Use when custom-drawn elements don't receive mouse events.

Implement using TDD Red-Green cycle. Focus on Red-Green only; refactoring is separate step.

Import brownfield documentation from Notion exports, Confluence, GitHub Wiki, or any markdown folder. Automatically classifies files as specs, modules, team docs, or legacy.

AUTO-EXECUTE import of external work items (GitHub/JIRA/ADO) since last import. NO PROMPTS - immediately runs with defaults. Creates READ-ONLY references in living docs. Options available but NOT required.

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Expert at automatically applying improvements to Claude Code components based on quality analysis. Enhances descriptions, optimizes tool permissions, strengthens security, and improves usability. Works in conjunction with analyzing-component-quality skill.

Apply IN3 Problem Reversal to solve the inverse of the stated problem to reveal insights.