documentation
Create and maintain technical documentation including READMEs, API docs, architecture decision records (ADRs), and user guides. Use this skill when writing project documentation, documenting APIs, recording architectural decisions, creating how-to guides, or establishing documentation standards.
error-handling
Use when designing error hierarchies, implementing React error boundaries, adding retry logic or fallbacks, creating API error responses, integrating error tracking (Sentry), or improving user-facing error communication.
sdk-development
Use when building TypeScript SDKs, extracting shared code into packages, creating developer tooling libraries, designing clean API surfaces, or publishing to npm (public or private). Covers typed clients, error handling, multi-target bundling (ESM/CJS/browser).
security-audit
Use when reviewing code security, auditing dependencies for CVEs, checking configuration or secret security, assessing authentication and authorization patterns, identifying OWASP vulnerabilities (injection, XSS, CSRF), or addressing security concerns about implementations.
spike
Time-boxed technical investigation with structured output. Use for feasibility studies, architecture exploration, integration assessment, performance analysis, or risk evaluation. Creates spike tasks in ohno, enforces time-boxing, generates spike reports, and creates actionable follow-up tasks.
testing-strategy
Use when designing test architecture, building API test suites, validating API contracts, setting up component or E2E testing, managing test data, debugging flaky tests, reviewing coverage strategy, or organizing test files. Covers test pyramid, mocking (MSW), frontend (React Testing Library, Playwright), and CI integration.
work-session
Use when starting AI development sessions, resuming interrupted work, managing multi-session projects, or orchestrating work with human checkpoint control (supervised, semi-auto, auto, or unattended modes).
worktrees
Git worktree management for isolated task development
database-design
Use when designing database schemas, reviewing data models, planning migrations, optimizing slow queries, or establishing database patterns. Covers relational (PostgreSQL, MySQL, SQLite), document (MongoDB), and ORM-integrated (Prisma, Drizzle, TypeORM) projects.
deep-research
Use for multi-day technology evaluations, competitive analysis, architectural exploration, best practices research, or major strategic decisions requiring comprehensive investigation and stakeholder reports. Unlike spike (time-boxed hours), supports extended multi-day investigation.
api-design
Use when designing new REST APIs, reviewing API designs, establishing API standards, designing request/response formats, pagination, versioning, authentication flows, or creating OpenAPI specifications.
observability
Use when adding logging to services, setting up monitoring, creating alerts, debugging production issues, designing SLIs/SLOs, or implementing structured logging (Pino, Winston), metrics (Prometheus, DataDog, CloudWatch), or distributed tracing (OpenTelemetry).
plan-revision
Use when revising existing implementation plans, analyzing impact of task changes, exploring modifications to project scope or dependencies, or updating task hierarchies with full impact visibility before execution.
planning
Use when analyzing PRD documents, concept briefs, or feature specs to create implementation plans, breaking work into epics/stories/tasks with dependencies and estimates, or generating PROJECT.md and kanban tracking.
browser-verification
Automatically verify UI changes in a real browser after implementation. Integrated into the /work workflow — checks visual elements, interactions, and console errors using Playwright. Not a standalone skill.
cloud-infrastructure
Use when provisioning cloud resources, choosing between AWS services (Lambda vs ECS vs EKS), writing CDK/IaC, designing serverless or container architectures, configuring IAM/security groups, or optimizing cloud costs.
ci-cd
Use when creating or debugging CI/CD pipelines, implementing deployment strategies (blue-green, canary, rolling), optimizing build times, reviewing pipeline security, or working with GitHub Actions, GitLab CI, CircleCI, Azure DevOps, or Bitbucket Pipelines.
feature-audit
Use when verifying feature completeness against PRD requirements, identifying gaps between backend implementation and user-facing accessibility, generating remediation tasks, or auditing across frameworks (Next.js, React Router, TanStack, React Native, Expo).
blockbench-plugins
Blockbench plugin/extension development for the 3D modeling tool. Use when creating, modifying, or debugging JavaScript plugins for Blockbench including actions, dialogs, panels, menus, toolbars, model manipulation, animation APIs, and custom formats/codecs. Triggers on Blockbench plugin, Blockbench extension, Blockbench API, BBPlugin, model editor plugin, or 3D modeling tool extension.
blockbench-hytale
Create Hytale models and animations using Blockbench MCP tools. Use when working with Hytale character/prop formats, creating attachments, setting shading modes, using quads, or animating with visibility keyframes. Requires the Hytale Blockbench plugin to be installed.
blockbench-modeling
Create and edit 3D models in Blockbench using MCP tools. Use when building geometry with cubes, creating meshes, placing spheres/cylinders, editing vertices, extruding faces, or organizing models with groups. Covers both cube-based Minecraft modeling and freeform mesh editing.
blockbench-pbr-materials
Create and manage PBR (Physically Based Rendering) materials in Blockbench using MCP tools. Use when working with texture_set.json files, creating normal/height/MER maps, configuring material properties for Minecraft Bedrock RTX, or setting up multi-channel texture workflows.
blockbench-texturing
Create and paint textures in Blockbench using MCP tools. Use when creating textures, painting on models, using brush tools, filling colors, drawing shapes, applying gradients, managing texture layers, or working with UV mapping. Covers pixel art texturing, procedural painting, and UV manipulation.
blockbench-mcp-overview
Overview of the Blockbench MCP server tools, resources, and prompts. Use to understand the full MCP capability set, learn how tools work together, or when starting a new Blockbench project. Covers all domains (modeling, animation, texturing, PBR, UI, camera) and their MCP interfaces.
blockbench-animation
Create and manage animations in Blockbench using MCP tools. Use when animating 3D models, creating keyframes, managing bone rigs, editing animation curves, or working with animation timelines. Covers walk cycles, idle animations, combat animations, and complex multi-bone animations.
flutter-developer
[Extends frontend-developer] Flutter/Dart specialist for cross-platform mobile. Use for Flutter apps, Riverpod/Bloc state management, Dart 3.x patterns, Material 3. Invoke alongside frontend-developer for Flutter projects.
frontend-developer
Senior Frontend Developer with 10+ years web and mobile experience. Use when implementing React/Next.js features, building React Native/Expo apps, writing TypeScript, creating UI components, implementing state management, or styling with TailwindCSS.
vue-developer
[Extends frontend-developer] Vue 3 specialist. Use for Vue-specific features: Composition API, script setup, Pinia stores, Vue Router, Nuxt 3 SSR, Vitest. Invoke alongside frontend-developer for Vue projects.
business-analyst
Senior Business Analyst with 10+ years bridging business and technical teams. Use when conducting market research, competitive analysis, gathering requirements, creating business process models, cost-benefit analysis, or validating assumptions with data.
product-owner
Max - Senior Product Owner with 10+ years agile experience. Use when defining product vision, creating/prioritizing backlog, writing user stories with acceptance criteria, making scope decisions, validating features against business goals, or planning releases and sprints. Also responds to 'Max' or /max command.
scrum-master
Luda - Certified Scrum Master and Agile Coach with 8+ years experience. Use when planning/facilitating sprints, running standups/retrospectives/demos, tracking velocity and progress, removing blockers, coaching on Agile practices, or creating sprint documentation. Also responds to 'Luda' or /luda command.
devops-engineer
Senior DevOps Engineer with 12+ years cloud infrastructure experience. Use when setting up cloud infrastructure, writing Terraform configurations, creating Kubernetes manifests, building CI/CD pipelines with GitHub Actions, configuring Docker, or managing secrets.
spring-kafka-integration
[Extends backend-developer] Kafka specialist for Spring/Reactor. Use for Kafka producers/consumers, DLT, retry mechanisms, transactional outbox, event sourcing. Covers Spring Kafka 4.x and Reactor Kafka 1.3.x. Invoke alongside backend-developer.
apex
Apex - Senior Product Marketing Manager & CSO specializing in B2B/B2C IT Products & SaaS. Use for Go-To-Market strategies, product positioning, growth funnels, IT product copywriting, SEO content strategy, or marketing analytics. Also responds to 'Apex' or /apex command.
quarkus-developer
[Extends backend-developer] Quarkus specialist for cloud-native Java. Use for Quarkus apps, Panache ORM, native builds with GraalVM, RESTEasy Reactive, Dev Services. Invoke alongside backend-developer for Quarkus projects.
fastapi-developer
[Extends backend-developer] Python FastAPI specialist. Use for FastAPI apps, async endpoints, Pydantic v2, SQLAlchemy async, dependency injection. Invoke alongside backend-developer for Python API projects.
technical-writer
Senior Technical Writer with 10+ years documenting complex systems. Use when creating/updating documentation, writing API docs, creating architecture diagrams (C4, Mermaid), generating changelogs, writing READMEs, or creating onboarding guides.
kotlin-developer
[Extends backend-developer] Senior Kotlin specialist for JVM, Native, and KMP. Use for coroutines, Ktor, kotlinx.serialization, Kotlin Multiplatform shared logic, and high-performance concurrent systems.
frontend-tester
Senior Frontend QA Engineer with 10+ years JavaScript/TypeScript testing experience. Use when writing unit tests for React components, creating integration tests with React Testing Library, testing custom hooks, mocking APIs, or following TDD for frontend.
ui-designer
Aura - Senior UI/UX Design Architect with 12+ years creating premium digital experiences. Use when designing landing pages, dashboards, mobile apps, design systems, component libraries, or brand-aligned UI. Specializes in React/Tailwind/Framer Motion prototypes, responsive design, micro-interactions, and discovery-first design process.
e2e-tester
Senior QA Automation Engineer with 10+ years E2E testing experience. Use when writing end-to-end tests for web apps with Playwright, mobile apps with Detox, testing critical user flows, cross-browser testing, or visual regression testing.
cucumber-bdd
[Extends e2e-tester] BDD/Cucumber specialist. Use for Gherkin feature files, step definitions, Cucumber-JVM/JS, Spring/Playwright integration. Invoke alongside e2e-tester for BDD testing approach.
backend-tester
Senior QA Engineer with 10+ years Java testing experience. Use when writing unit tests with JUnit, creating integration tests with Testcontainers, implementing API tests, following TDD methodology, or testing reactive code with StepVerifier.
reviewer
Rev - Senior Full-Stack Code Reviewer with 12+ years experience in Java/Kotlin and TypeScript/React. Use when reviewing code quality, checking security vulnerabilities, validating style compliance, running static analysis tools, or ensuring test coverage. Also responds to 'Rev' or /rev command.
frontend-reviewer
Senior Frontend Code Reviewer with 12+ years JavaScript/TypeScript experience. Use when reviewing React/TypeScript code, checking code quality and style, verifying accessibility compliance, ensuring test coverage, or configuring linting tools (ESLint, Prettier).
backend-reviewer
Senior Backend Code Reviewer with 12+ years Java experience. Use when reviewing Java/Spring code, checking code quality and style, identifying code smells and anti-patterns, verifying security practices, ensuring test coverage, or configuring static analysis tools (Checkstyle, SpotBugs, SonarQube).
uk-legal-counsel
Alex (Legis-AI) - Senior UK Legal Counsel with 20+ years experience in English & Welsh Law. Use for legal advice, contract drafting, compliance checks, GDPR, employment law, property disputes, or risk assessment. Auto-triggers penalty warnings and statute citations. Also responds to 'Alex' or /alex command.
legal-counsel
Senior Legal Counsel with 20+ years experience in corporate law. Use for legal advice, contract drafting, compliance checks, data protection (GDPR/CCPA), employment law, or risk assessment. Auto-triggers penalty warnings and statute citations. Adapts to user's jurisdiction.
uk-accountant
Inga (Ledger-AI) - Senior UK Accountant & Strategic CFO with 20+ years experience in UK tech sector. Use for tax planning, VAT compliance, R&D tax credits, financial forecasting, IR35 assessment, or accounting app logic design. Auto-triggers tax warnings and savings opportunities. Also responds to 'Inga' or /inga command.
accountant
Senior Accountant & Strategic CFO with 20+ years experience in tech sector. Use for tax planning, VAT/sales tax compliance, financial forecasting, contractor assessments, or accounting app logic design. Auto-triggers tax warnings and savings opportunities. Adapts to user's jurisdiction.
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