Design custom syntax elements with reuse-first approach for workflow orchestration. Use when user needs custom operators, checkpoints, or syntax patterns not available in core syntax.

Generate end-to-end tests for the complete Desktop Ethereal application, including UI interactions, system integration, and user workflows. Triggers on E2E testing, Playwright, system testing, or complete application testing requests.

Electron desktop development guide. Use when implementing desktop features, IPC handlers, controllers, preload scripts, window management, menu configuration, or Electron-specific functionality. Triggers on desktop app development, Electron IPC, or desktop local tools implementation.

Generates detailed implementation plans from a SINGLE plan-based-page output file. Supports parallel execution - run multiple sessions simultaneously for different pages. Input is ONE file (either _shared-components.md or a specific page like landingpage-page.md). Use when you want to generate implementation plans in parallel across multiple sessions.

Determine whether a specific pattern, entity, or condition exists in the given data. Use when searching for patterns, checking existence, validating presence, or finding signals.

Identifies unreachable functions, unused variables, and abandoned code in binary programs. Use when optimizing binary size, analyzing code coverage, or investigating abandoned functionality.

Detects format string vulnerabilities by identifying unsafe printf family function calls with user-controlled format strings. Use when analyzing logging, error handling, or investigating memory disclosure via format strings.

Detects SpecWeave context and provides workflow documentation for available commands. Use when learning SpecWeave commands, understanding available slash commands (/sw:increment, /sw:do, /sw:progress, /sw:done), or getting workflow guidance. Explains command syntax and recommended workflow patterns.

Эксперт Detox тестирования. Используй для React Native E2E tests и mobile automation.

Production-grade API design patterns for REST, GraphQL, gRPC, and tRPC. Covers API architecture, OpenAPI/Swagger specs, versioning/deprecation, authentication/authorization, rate limiting, pagination, error models, contract testing, and developer documentation.

Autonomous development workflow. Generate detailed specs, plans, and tasks for autonomous agent execution with session memory tracking.

Use dev-browser for browser automation on NixOS. Invoke when user asks to test UI, automate browser interactions, take screenshots, or verify web app behavior.

Context architecture skill for aligning work. Use when starting new features, making architectural decisions, or setting up implementation work. Generates interconnected ADR/Design/Spec/Plan scaffolding that agents can navigate and humans can enrich.

DEBUG mysteriously disappearing tasks using the taskDisappearanceLogger. Use when tasks vanish without user deletion, data seems to be lost, or you need to track what's modifying the task array. Provides comprehensive logging of all task array operations.

<!-- SKILL CHAINING: After completing debugging work, Claude MUST invoke related skills -->

REQUIRED Phase 2 of /dev workflow after dev-brainstorm. This skill should be used when the user asks to 'explore the codebase', 'map architecture', 'find similar features', 'discover test infrastructure', 'trace execution paths', 'identify code patterns', or needs to understand WHERE code lives and HOW it works before implementation. Launches parallel explore agents and returns prioritized key files list.

ring:dev-implementation

This skill should be used when testing ScreenGraph end-to-end flows (drift detection, agent runs) while monitoring backend and frontend logs in real-time. Use when the user wants to observe system behavior across services, debug live runs, or verify event streaming.

Per-task ralph loop pattern for implementation and debugging. One loop per task, not one loop per feature.

AUTO-ACTIVATE when working in flow-state-refactor worktree or refactoring large components. MANDATORY port 5550 for refactor worktree. Extract Vue composables, split large files, reduce component size, baseline testing, zero regressions. Triggers on keywords refactor, composable, extract, split component, reduce file size, flow-state-refactor directory.

Read Game Design Document for design context

Start, stop, and manage the Vite development server for the Babylon.js game. Use when the user wants to run the dev server, test the game, check if server is running, or troubleshoot server issues.

ring:dev-ring:sre

**Goal:** Implement a story by executing its tasks/subtasks with comprehensive

Comprehensive Storybook skill for Vue 3 - story creation, auditing, component discovery, visual testing, and CI integration. Merged from dev-storybook, storybook-audit, and storybook-master.

Create custom slash commands for popular AI agents (Claude Code, Codex, Gemini CLI). Use when user asks to create slash commands, custom commands, or reusable prompts for AI agent CLIs.

Control the computer by taking screenshots, moving the mouse, clicking, and typing. Use this skill when you need to interact with GUI applications or perform actions that require visual feedback.

- [The Iron Law](#the-iron-law-of-tdd)

Chrome MCP browser testing. Console/network debugging, JS execution, GIF recording.

**Announce:** "I'm using dev-test-hammerspoon for macOS desktop automation."

<EXTREMELY-IMPORTANT>

Playwright MCP browser testing. Headless E2E, cross-browser, CI/CD automation.

ring:dev-testing

Design developer experiences that people love. Feedback loops, cognitive load, flow state, and ADHD-friendly patterns for tools and workflows.

Guide for development and code tools skills including document processing, browser automation, testing frameworks, and IDE integrations.

This skill should be used when the user asks to 'verify completion', 'check that tests pass', 'confirm feature works', or REQUIRED Phase 7 of /dev workflow (final). Enforces fresh runtime evidence before claiming completion.

COMPREHENSIVE Vue 3 development with Composition API, TypeScript, and advanced reactivity debugging. Create reactive components, handle props/events, implement lifecycle hooks, integrate with Pinia state management, debug reactivity issues, and optimize component performance. CRITICAL: All component changes MUST be tested with Playwright before claiming success. Use DevTools for debugging when available.

Use when running builds, executing tests, or improving developer experience workflows - provides structured guidance for build/test execution and DX improvement.

Invoke DEVCOM_RESEARCH for deep research, cross-disciplinary analysis, and novel problem solving. Use when exploring cutting-edge concepts or investigating patterns that require theoretical foundation.

Develop examples for AI SDK functions. Use when creating, running, or modifying examples under examples/ai-functions/src to validate provider support, demonstrate features, or create test fixtures.

Developer Experience specialist for tooling, setup, and workflow optimization.

Use when working on Claude Code plugins (creating, modifying, testing, releasing, or maintaining) - provides streamlined workflows, patterns, and examples for the complete plugin lifecycle

Specialized Preact development skill for standards-based web applications with native-first architecture and minimal dependency footprint. Use when building Preact projects, particularly those involving data visualization, interactive applications, single-page apps with HTM syntax, Web Components integration, CSV/JSON data parsing, WebGL shader visualizations, or zero-build solutions with CDN imports.

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Development process rules for this project including testing, branching, and commit standards. Use when implementing features, fixing bugs, or making any code changes.

Establish and scale a Developer Experience (DevEx) program to remove engineering friction and boost productivity. Use this when setting up a new DevEx team, diagnosing why an engineering org has slowed down, or measuring the specific ROI of AI coding tools.

Probe and test SDR hardware capabilities (RTL-SDR, SDRplay, HackRF, etc.). Use when verifying device detection, discovering supported sample rates and gains, testing antenna ports, or troubleshooting SDR hardware issues.

Capture screenshots from iOS Simulators, physical iOS devices, or Android devices during development. Use this skill to inspect UI layouts, debug rendering issues, verify text/color display, or captur

Interact with iOS simulators and verify app behavior using xcobra

Infrastructure, deployment, and operations automation