anton-abyzov/specweave

Azure DevOps integration specialist for SpecWeave increments with epic/feature/story management and bidirectional sync. Use when creating ADO work items, syncing task completion, or troubleshooting ADO API issues. Covers rate limiting, WIQL queries, and area path configuration.

Bidirectional conversion between SpecWeave increments and Azure DevOps work items. Use when exporting increments to ADO epics, importing ADO epics as increments, or resolving sync conflicts. Handles Epic/Feature/User Story/Task hierarchy mapping.

Organize specs and tasks across multiple Azure DevOps projects with intelligent content-based mapping. Use when working with project-per-team, area-path-based, or team-based ADO architectures. Handles cross-project coordination and folder structure organization.

Expert in mapping SpecWeave specs to multiple Azure DevOps projects with intelligent project detection and cross-project coordination. Handles project-per-team, area-path-based, and team-based strategies. Manages bidirectional sync across multiple projects.

LLM Judge for verifying Azure DevOps synchronization correctness, conflict resolution, and lifecycle management. Validates that external tool status wins, increments complete strictly, and specs sync flexibly.

Anomaly and outlier detection using Isolation Forest, One-Class SVM, autoencoders, and statistical methods. Activates for "anomaly detection", "outlier detection", "fraud detection", "intrusion detection", "abnormal behavior", "unusual patterns", "detect anomalies", "system monitoring". Handles supervised and unsupervised anomaly detection with SpecWeave increment integration.

System architect for scalable, maintainable technical designs and architectural decisions. Use when designing system architecture, writing ADRs (Architecture Decision Records), or planning microservices and database structures. Covers trade-off analysis, component diagrams, and technology selection.

Intelligent increment archiving expert that analyzes age, status, and activity to recommend archiving. Use when workspace has too many increments, cleaning up completed work, or organizing the _archive folder. Follows the 10-10-10 rule for workspace organization.

Automated machine learning with hyperparameter optimization using Optuna, Hyperopt, or AutoML libraries. Activates for "automl", "hyperparameter tuning", "optimize hyperparameters", "auto tune model", "neural architecture search", "automated ml". Systematically explores model and hyperparameter spaces, tracks all experiments, and finds optimal configurations with minimal manual intervention.

AWS cost optimization - EC2 Reserved Instances, Savings Plans, Spot, Lambda optimization, Cost Explorer, Trusted Advisor.

Automated billing systems for SaaS subscription management, invoicing, and payment recovery. Use when implementing recurring billing, automating invoice generation, or handling failed payment dunning. Covers proration calculations, billing cycle management, usage-based billing, and tax compliance (VAT/GST).

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.

Non-testing browser automation - web scraping, form filling, screenshot capture, PDF generation, workflow automation. For TESTING with Playwright, use e2e-playwright skill instead. Activates for web scraping, form automation, screenshot, PDF, headless browser, Puppeteer, Selenium, automation scripts, data extraction.

Non-testing browser automation - web scraping, form filling, screenshot capture, PDF generation, workflow automation. For TESTING with Playwright, use e2e-playwright skill instead. Activates for web scraping, form automation, screenshot, PDF, headless browser, Puppeteer, Selenium, automation scripts, data extraction.

Expert knowledge of cloud provider pricing models for AWS, Azure, GCP covering compute, storage, database, networking, and serverless services. Includes 2025 pricing data, regional differences, free tiers, pricing calculators, and cost comparison across providers. Activates for cloud pricing, how much does it cost, price comparison, AWS vs Azure vs GCP pricing, pricing calculator, estimate costs, regional pricing, free tier, what's cheaper.

Deep codebase analysis expert that traces feature implementations across architecture layers. Use when exploring how a feature works, understanding data flow, or mapping module dependencies. Identifies entry points, traces call chains, and creates dependency maps from UI to database.

Elite code review expert for quality, security, and maintainability analysis with AI-assisted review techniques. Use for PR reviews, security vulnerability detection, code quality assessment, or post-implementation self-reflection. Covers static analysis, performance patterns, OWASP vulnerabilities, technical debt assessment, and lessons learned analysis.

Expert code refinement agent that simplifies and improves code clarity, consistency, and maintainability while preserving exact functionality. Operates proactively on recently modified code. Based on Anthropic's official code-simplifier with SpecWeave enhancements. Never alters WHAT code does, only HOW. Activates for simplify code, clean up code, improve readability, refactor for clarity, reduce complexity, make code cleaner.

Generate and maintain coding standards documentation from existing codebase patterns. Use when creating STANDARDS.md files, onboarding new developers, documenting team conventions, analyzing naming conventions, detecting anti-patterns, or discovering implicit code standards. Evidence-based approach - standards reflect reality, not aspirations.

Coding standards discovery agent. Performs deep analysis of codebase to detect naming conventions, import patterns, function characteristics, type usage, error handling, and anti-patterns. Generates evidence-based coding standards documentation with statistical confidence levels and real code examples. Parses ESLint, Prettier, TypeScript configs. Detects security issues and maintainability concerns. Activates for coding standards, code conventions, naming conventions, style guide, code analysis, detect patterns, import patterns, function patterns, type patterns, error handling patterns, anti-patterns, eslint config, prettier config, typescript config, code style, code quality rules, project conventions, consistency check, coding guidelines.

Enterprise compliance architecture for SOC 2, HIPAA, GDPR, and PCI-DSS regulated systems. Use when designing compliant systems, preparing for audits, or implementing regulatory requirements. Covers compliance checklists, data protection controls, audit evidence collection, and security policies.

Confluent Cloud architecture specialist. Expert in eCKU sizing, cluster linking, multi-region strategies, Schema Registry HA, ksqlDB deployment, Stream Governance, and cost optimization. Activates for confluent cloud architecture, ecku sizing, cluster linking, multi-region kafka, schema registry ha, stream governance, cost optimization, Confluent Cloud, Confluent Platform, Schema Registry, Avro schema, Protobuf schema, JSON Schema, schema evolution, compatibility mode, ksqlDB, stream processing, Kafka REST Proxy, Confluent Control Center, Confluent CLI, managed Kafka, serverless Kafka, dedicated cluster, basic cluster, standard cluster, private link, VPC peering, audit logs, RBAC Kafka.

Kafka Connect integration expert. Covers source and sink connectors, JDBC, Elasticsearch, S3, Debezium CDC, SMT (Single Message Transforms), connector configuration, and data pipeline patterns. Activates for kafka connect, connectors, source connector, sink connector, jdbc connector, debezium, smt, data pipeline, cdc.

ksqlDB stream processing expert. Covers SQL-like queries on Kafka topics, stream and table concepts, joins, aggregations, windowing, materialized views, and real-time data transformations. Activates for ksqldb, ksql, stream processing, kafka sql, real-time analytics, windowing, stream joins, table joins, materialized views.

Schema Registry expert for Avro, Protobuf, and JSON Schema management. Covers schema evolution strategies, compatibility modes, validation, and best practices for managing schemas in Confluent Cloud and self-hosted Schema Registry. Activates for schema registry, avro, protobuf, json schema, schema evolution, compatibility modes, schema validation.

Explains how SpecWeave achieves context efficiency through Claude's native progressive disclosure and sub-agent parallelization. Use when asking about token usage, context management, or how SpecWeave scales with large projects. Leverages Claude's built-in mechanisms without custom caching.

Second-pass context optimization that surgically removes irrelevant content after initial context load. Use when context is bloated, tokens need reduction, or loaded specs are irrelevant to current task. Achieves 80%+ token reduction through intelligent prompt analysis.

FinOps expert for AWS/Azure/GCP cost optimization - right-sizing, reserved instances, savings plans, spot instances. Use for reducing cloud costs.

Computer vision ML pipelines for image classification, object detection, semantic segmentation, and image generation. Activates for "computer vision", "image classification", "object detection", "CNN", "ResNet", "YOLO", "image segmentation", "image preprocessing", "data augmentation". Builds end-to-end CV pipelines with PyTorch/TensorFlow, integrated with SpecWeave increments.

Statistical modeling and data analysis expert. A/B testing, causal inference, customer analytics (CLV, churn), anomaly detection, experiment tracking (MLflow/W&B), and data visualization. Use for business analytics, experiment design, or exploratory data analysis.

Automated data visualization for EDA, model performance, and business reporting. Activates for "visualize data", "create plots", "EDA", "exploratory analysis", "confusion matrix", "ROC curve", "feature distribution", "correlation heatmap", "plot results", "dashboard". Generates publication-quality visualizations integrated with SpecWeave increments.

Expert database optimizer for query performance, indexing strategies, and schema design across PostgreSQL, MySQL, and MongoDB. Use when optimizing slow queries, fixing N+1 problems, or analyzing EXPLAIN plans. Covers connection pooling, caching strategies, partitioning, and database scaling patterns.

Smart deployment platform router for Vercel vs Cloudflare vs GitHub Pages. Analyzes project structure, framework, SEO needs, runtime requirements, AND repository visibility (private/public). Routes to Cloudflare for private repos (GitHub Pages requires paid plan), Vercel for dynamic SEO, GitHub Pages only for public repos. Activates for deploy, vercel vs cloudflare, where to deploy, cloudflare workers, cloudflare pages, vercel deployment, edge deployment, SSR deployment, static site deployment, which hosting, deployment recommendation, github pages, private repo deployment.

Expert in building scalable design systems with Atomic Design, design tokens, and theming infrastructure. Use when creating component libraries, implementing dark mode, or establishing typography and color systems. Covers multi-brand support, Storybook-driven development, and accessibility-first component APIs.

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.

Expert in React Native testing strategies including unit tests with Jest, integration tests, E2E tests with Detox, component testing with React Native Testing Library, snapshot testing, mocking native modules, testing on simulators and real devices. Activates for testing, jest, detox, e2e, unit test, integration test, component test, test runner, mock, snapshot test, testing library, react native testing library, test automation.

DevOps and IaC expert for Terraform, Kubernetes, Docker, CI/CD pipelines, and deployment platform decisions (Vercel vs Cloudflare vs Hetzner). Generates infrastructure ONE COMPONENT AT A TIME to prevent crashes.

Mermaid diagrams following C4 Model and SpecWeave conventions - system architecture, sequence, ER, deployment diagrams. Use for architecture visualization.

Generate Mermaid diagrams following C4 conventions. Activates for create diagram, draw diagram, visualize, system diagram, architecture diagram, C4 diagram, context diagram, container diagram, component diagram, sequence diagram, ER diagram, entity relationship, data model, deployment diagram. Coordinates with diagrams-architect agent.

Implement distributed tracing with Jaeger and Tempo to track requests across microservices and identify performance bottlenecks. Use when debugging microservices, analyzing request flows, or implementing observability for distributed systems.

Living documentation updater that syncs implementation progress to product docs. Use when updating docs after task completion, changing DRAFT status to published, or ensuring documentation reflects current implementation state.

Technical documentation writer for clear, comprehensive docs with incremental generation to prevent crashes. Use when creating API documentation, README files, user guides, or developer onboarding docs. Generates one section at a time (Installation → Usage → API → Configuration).

Docusaurus 3.x documentation framework - MDX authoring, theming, versioning, i18n. Use for documentation sites or spec-weave.com.

.NET/C# backend developer for ASP.NET Core 8+ APIs with Entity Framework Core and enterprise patterns. Use when building C# backends, implementing REST/gRPC APIs, or working with SQL Server/PostgreSQL. Covers JWT authentication, dependency injection, background services, and Minimal APIs.

Comprehensive Playwright end-to-end testing expertise covering browser automation, cross-browser testing, visual regression, API testing, mobile emulation, accessibility testing, test architecture, page object models, fixtures, parallel execution, CI/CD integration, debugging strategies, and production-grade E2E test patterns. Activates for playwright, e2e testing, end-to-end testing, browser automation, cross-browser testing, visual testing, screenshot testing, API testing, mobile testing, accessibility testing, test fixtures, page object model, POM, test architecture, parallel testing, playwright config, trace viewer, codegen, test debugging, flaky tests, CI integration, playwright best practices.

End-to-end testing expert for Playwright, Cypress, visual regression (Percy, Chromatic), and UI testing. Use for E2E tests, browser automation, visual diffs, or debugging flaky tests.

Manages ML experiment tracking with MLflow, Weights & Biases, or SpecWeave's built-in tracking. Activates for "track experiments", "MLflow", "wandb", "experiment logging", "compare experiments", "hyperparameter tracking". Automatically configures tracking tools to log to SpecWeave increment folders, ensuring all experiments are documented and reproducible. Integrates with SpecWeave's living docs for persistent experiment knowledge.

Expert in Expo SDK 54+ development workflows, EAS Build, EAS Update, native tabs, Expo Router v6, expo-video, expo-audio, dev clients, expo-cli commands, app configuration, and deployment strategies. Activates for expo, expo go, eas build, eas update, expo config, app.json, eas.json, expo dev client, expo prebuild, expo eject, over-the-air updates, expo doctor, expo install, managed workflow, bare workflow, expo router, native tabs, liquid glass.

Export SpecWeave skills to Agent Skills open standard format (agentskills.io) for cross-platform portability. Use when converting skills to GitHub Copilot, VS Code, Gemini CLI, or Cursor format. Creates portable SKILL.md files compatible with any Agent Skills-supported tool.

Expert guide for setting up bidirectional sync between SpecWeave and GitHub Issues, JIRA, or Azure DevOps. Use when configuring external tool integration, mapping fields between systems, or troubleshooting sync issues. Covers webhook setup, authentication, and conflict resolution strategies.

Comprehensive feature engineering for ML pipelines: data quality assessment, feature creation, selection, transformation, and encoding. Activates for "feature engineering", "create features", "feature selection", "data preprocessing", "handle missing values", "encode categorical", "scale features", "feature importance". Ensures features are production-ready with automated validation, documentation, and integration with SpecWeave increments.

Expert frontend developer for React, Vue, Angular, and modern JavaScript/TypeScript. Use when creating components, implementing hooks, handling state management, or building responsive web interfaces. Covers React 18+ features, custom hooks, form handling, and accessibility best practices.

Expert frontend architect for React, Next.js, Vue, and Angular with Atomic Design and state management patterns. Use when designing component architecture, building dashboards, or implementing complex frontend features. Covers TanStack Query, Zustand/Redux, routing strategies, and performance optimization.

Frontend design expert for polished, production-ready UIs with distinctive visual characteristics and micro-interactions. Use when improving visual design, adding CSS animations, or polishing the UI with shadows, gradients, and transitions. Rejects generic AI aesthetics in favor of bold, distinctive design choices.

Mandatory format standard for ALL GitHub issues created by SpecWeave with checkable acceptance criteria and proper metadata. Use when creating GitHub issues, formatting issue content, or ensuring consistent issue structure. Covers user stories, epics, features, and increments.

Task-level GitHub issue tracking for fine-grained progress visibility via comments, checklists, and labels. Use when tracking detailed task progress in GitHub, managing team collaboration on specific tasks, or tracking blocking issues. Enables per-task updates and discussions.

Expert at organizing specs and splitting tasks across multiple GitHub repositories for monorepo, polyrepo, and parent repo architectures. Use when managing specs across multiple repos, coordinating cross-repo work, or allocating tasks to different teams/repositories.

Two-way synchronization between SpecWeave specs and GitHub Projects (push & pull by default). Use when asking about GitHub integration setup, troubleshooting sync issues, or configuring sync settings. For actual syncing, use /sw-github:sync-spec command.

Expert agent for splitting SpecWeave tasks across multiple GitHub repositories based on architecture patterns. Analyzes task dependencies across services and creates tracking issues in multiple repositories for multi-repo architectures.

Implement GitOps workflows with ArgoCD and Flux for automated, declarative Kubernetes deployments with continuous reconciliation. Use when implementing GitOps practices, automating Kubernetes deployments, or setting up declarative infrastructure management.

Design, organize, and manage Helm charts for templating and packaging Kubernetes applications with reusable configurations. Use when creating Helm charts, packaging Kubernetes applications, or implementing templated deployments.

Provisions infrastructure on Hetzner Cloud with Terraform/Pulumi. Generates IaC code for CX11/CX21/CX31 instances, managed Postgres, SSL configuration, Docker deployment. Activates for deploy on Hetzner, Hetzner Cloud, budget deployment, cheap hosting, $10/month hosting.

AI image generation expert using Pollinations.ai - FREE, no API key required. Generates professional-quality images for websites, apps, marketing, mockups, icons, and illustrations. Activates for image, images, generate image, create image, make image, picture, pictures, illustration, illustrations, icon, icons, logo, logos, hero image, hero section image, banner, banners, background image, backgrounds, placeholder, placeholders, product image, product shot, mockup, mockups, avatar, avatars, thumbnail, thumbnails, splash screen, app icon, website image, landing page, UI image, design asset, visual asset, stock photo, photo, render, renders, artwork, graphic, graphics, visual, visually, imagery, Pollinations, Pollinations.ai, AI image, AI art, AI generated, text-to-image, image generation, image generator, FLUX, stable diffusion, midjourney alternative, DALL-E alternative, free image generation, generate visual, create visual, need image, need picture, need icon, need logo, need illustration, website design image, app design image, marketing image, social media image, blog image, featured image, OG image, cover image, profile picture, user avatar, empty state illustration, onboarding image, feature graphic.

AI image generation expert using Pollinations.ai - FREE, no API key required. Generates professional-quality images for websites, apps, marketing, mockups, icons, and illustrations. Activates for image, images, generate image, create image, make image, picture, pictures, illustration, illustrations, icon, icons, logo, logos, hero image, hero section image, banner, banners, background image, backgrounds, placeholder, placeholders, product image, product shot, mockup, mockups, avatar, avatars, thumbnail, thumbnails, splash screen, app icon, website image, landing page, UI image, design asset, visual asset, stock photo, photo, render, renders, artwork, graphic, graphics, visual, visually, imagery, Pollinations, Pollinations.ai, AI image, AI art, AI generated, text-to-image, image generation, image generator, FLUX, stable diffusion, midjourney alternative, DALL-E alternative, free image generation, generate visual, create visual, need image, need picture, need icon, need logo, need illustration, website design image, app design image, marketing image, social media image, blog image, featured image, OG image, cover image, profile picture, user avatar, empty state illustration, onboarding image, feature graphic.

AI image generation using Pollinations.ai with Stable Horde fallback - FREE with no API key required. Use when generating hero images, icons, logos, illustrations, mockups, or any visual assets for websites and apps. Covers product shots, avatars, placeholders, and social media images with professional quality.

Plan and create SpecWeave increments with PM and Architect agent collaboration. Use when starting new features, hotfixes, bugs, or any development work that needs specification and task breakdown. Creates spec.md, plan.md, tasks.md with proper AC-IDs and living docs integration.

AI-powered quality assessment using LLM-as-Judge pattern with BMAD risk scoring and formal gate decisions. Use for evaluating increment specs, assessing task completeness, or making quality gate decisions (PASS/CONCERNS/FAIL). Chain-of-thought reasoning ensures transparent evaluation.

Smart work continuation system that detects implementation intent and routes appropriately. Use when saying "implement X", "continue working", "build feature", or "resume increment". Checks active increments, relevance matching, and TDD mode to route to /sw:do or /sw:increment automatically.

Infrastructure-as-Code specialist for Terraform, AWS, Azure, and serverless architectures. Use when setting up cloud infrastructure, writing Terraform modules, or deploying to AWS Lambda/Vercel/Cloudflare. Covers VPC configuration, container orchestration, and CI/CD pipeline infrastructure.

Jira integration specialist for SpecWeave increments. Handles epic creation, bidirectional sync, task completion status updates, and cross-system consistency between SpecWeave and Jira. Activates for JIRA, Jira sync, Jira integration, create Jira issue, Jira epic, Jira story, Jira task, Jira subtask, sync to Jira, Jira API, Jira webhook, Jira workflow, Jira board, Jira sprint, Jira backlog, Jira project, JQL, Jira query, Jira automation, Jira transition, Jira status, Jira fields, custom fields Jira, Jira REST API, Atlassian, Jira Cloud, Jira Server, Jira Data Center.

Expert in mapping SpecWeave increments to JIRA structure (Increment → Epic + Stories + Subtasks) with bidirectional sync. Use when exporting increments to JIRA, importing JIRA epics as increments, or configuring field mapping. Maintains traceability across systems.

Expert in mapping SpecWeave specs to multiple JIRA projects with intelligent project detection and cross-project coordination. Handles project-per-team, component-based, and epic-based strategies. Manages bidirectional sync across multiple projects.

Sync guidance for SpecWeave increments with JIRA epics/stories (content SpecWeave→JIRA, status JIRA→SpecWeave). Use when asking about JIRA integration setup or troubleshooting sync. For actual syncing, use /sw-jira:sync command instead.

LLM Judge for verifying JIRA synchronization correctness, conflict resolution, and lifecycle management. Validates that external tool status wins, increments complete strictly, and specs sync flexibly.

Create production-ready Kubernetes manifests for Deployments, Services, ConfigMaps, and Secrets following best practices and security standards. Use when generating Kubernetes YAML manifests, creating K8s resources, or implementing production-grade Kubernetes configurations.

Implement Kubernetes security policies including NetworkPolicy, PodSecurityPolicy, and RBAC for production-grade security. Use when securing Kubernetes clusters, implementing network isolation, or enforcing pod security standards.

Apache Kafka architecture expert for event-driven systems, cluster design, partition strategies, consumer groups, and event sourcing/CQRS patterns. Use when designing Kafka topics, planning data pipelines, or implementing event-driven architectures.

Expert knowledge of Apache Kafka architecture, cluster design, capacity planning, partitioning strategies, replication, and high availability. Auto-activates on keywords kafka architecture, cluster sizing, partition strategy, replication factor, kafka ha, kafka scalability, broker count, topic design, kafka performance, kafka capacity planning.

Expert knowledge of Kafka CLI tools (kcat, kcli, kaf, kafkactl). Auto-activates on keywords kcat, kafkacat, kcli, kaf, kafkactl, kafka cli, kafka command line, produce message, consume topic, list topics, kafka metadata. Provides command examples, installation guides, and tool comparisons.

Kafka DevOps and SRE specialist. Expert in infrastructure deployment, CI/CD, monitoring, incident response, capacity planning, and operational best practices for Apache Kafka.

Infrastructure as Code (IaC) deployment expert for Apache Kafka. Guides Terraform deployments across Apache Kafka (KRaft mode), AWS MSK, Azure Event Hubs. Activates for terraform, iac, infrastructure as code, deploy kafka, provision kafka, aws msk, azure event hubs, kafka infrastructure, terraform modules, cloud deployment, kafka deployment automation.

Kubernetes deployment expert for Apache Kafka. Guides K8s deployments using Helm charts, operators (Strimzi, Confluent), StatefulSets, and production best practices. Activates for kubernetes, k8s, helm, kafka on kubernetes, strimzi, confluent operator, kafka operator, statefulset, kafka helm chart, k8s deployment, kubernetes kafka, deploy kafka to k8s.

MCP server integration for Kafka operations. Auto-activates on keywords kafka mcp, mcp server, mcp configure, mcp setup, kanapuli, tuannvm, confluent mcp, kafka integration. Provides configuration examples and connection guidance for all 4 MCP servers.

Kafka monitoring and observability expert. Guides Prometheus + Grafana setup, JMX metrics, alerting rules, and dashboard configuration. Activates for kafka monitoring, prometheus, grafana, kafka metrics, jmx exporter, kafka observability, monitoring setup, kafka dashboards, alerting, kafka performance monitoring, metrics collection.

Kafka operations expert for deployment, monitoring, and tooling. Kubernetes (Strimzi, Confluent), Terraform IaC, Prometheus/Grafana observability, and CLI tools (kcat, kafkactl). Use for Kafka deployment, monitoring setup, or operational tasks.

Kafka Streams topology design expert. Covers KStream vs KTable vs GlobalKTable, topology patterns, stream operations (filter, map, flatMap, branch), joins, windowing strategies, and exactly-once semantics. Activates for kafka streams topology, kstream, ktable, globalkTable, stream operations, stream joins, windowing, exactly-once, topology design.

Expert Kubernetes architect that generates manifests ONE SERVICE AT A TIME (frontend → backend → database → cache) to prevent crashes. Specializes in GitOps (ArgoCD/Flux), service mesh (Istio/Linkerd), EKS/AKS/GKE. **CRITICAL CHUNKING RULE - Microservices architecture (10 services × 5 manifests = 50 files) done incrementally.** Activates for K8s, Kubernetes, pods, deployments, services, ingress, configmaps, secrets, helm charts, kustomize, argocd, flux, gitops, EKS, AKS, GKE, container orchestration, namespace, service mesh, istio, linkerd, horizontal pod autoscaler, HPA, persistent volumes, PV, PVC, statefulsets, daemonsets, jobs, cronjobs, RBAC, network policies, kubernetes troubleshooting, pod not starting, crashloopbackoff.

Navigate and load project living documentation for context from .specweave/docs/internal/. Use when implementing features and needing project context, referencing ADRs for design decisions, or accessing specs and architecture docs. Provides table of contents for all documentation types.

Code navigation with LSP. When user says "find references", "go to definition", "where defined", "show type", "list symbols", "what uses", or "who calls" - use native LSP tools if available, otherwise fall back to specweave lsp commands.

LSP (Language Server Protocol) integration expert. Provides semantic code understanding using language servers for TypeScript, JavaScript, Python, Go, Rust, and more. Handles code navigation (go to definition, find references), symbol search, hover information, diagnostics, refactoring. 100x faster than grep for code exploration. Activates for LSP, language server, TypeScript, JavaScript, Python, Go, Rust, Java, C#, code navigation, go to definition, find references, find all references, hover type, type information, symbol search, document symbols, workspace symbols, diagnostics, code errors, type errors, refactoring, rename symbol, code actions, auto import, semantic analysis, code intelligence, intellisense, autocomplete context, type inference.

Expert Claude Code marketplace publishing covering npm publishing, GitHub releases, semantic versioning, plugin packaging, README documentation, CHANGELOG management, marketplace submission, and plugin distribution. Activates for publish plugin, npm publish, marketplace, release plugin, semantic versioning, semver, plugin distribution, publish to npm, github release.

Expert in Metro bundler configuration, optimization, troubleshooting, caching strategies, custom transformers, asset management, source maps, bundling performance. Activates for metro, metro bundler, metro.config.js, bundler, bundle, cache, transformer, asset resolver, metro cache, bundling error, unable to resolve module, port 8081.

Prepares ML models for production deployment with containerization, API creation, monitoring setup, and A/B testing. Activates for "deploy model", "production deployment", "model API", "containerize model", "docker ml", "serving ml model", "model monitoring", "A/B test model". Generates deployment artifacts and ensures models are production-ready with monitoring, versioning, and rollback capabilities.

Machine learning pipeline builder for end-to-end ML systems. Covers feature engineering, model training, evaluation, hyperparameter tuning, AutoML, and explainability (SHAP/LIME). Use for ML pipelines, model training, or building production ML systems.

Orchestrates complete machine learning pipelines within SpecWeave increments. Activates when users request "ML pipeline", "train model", "build ML system", "end-to-end ML", "ML workflow", "model training pipeline", or similar. Guides users through data preprocessing, feature engineering, model training, evaluation, and deployment using SpecWeave's spec-driven approach. Integrates with increment lifecycle for reproducible ML development.

Domain-specific ML expert for NLP, Computer Vision, and Time Series. Text classification, NER, sentiment (BERT, transformers), image classification, object detection (YOLO, ResNet), and forecasting (ARIMA, Prophet, LSTM). Use for specialized ML domains.

Design DAG-based MLOps pipeline architectures with Airflow, Dagster, Kubeflow, or Prefect. Activates for DAG orchestration, workflow automation, pipeline design patterns, CI/CD for ML. Use for platform-agnostic MLOps infrastructure - NOT for SpecWeave increment-based ML (use ml-pipeline-orchestrator instead).

MLOps expert for ML infrastructure and production systems. ML pipelines (Kubeflow, Airflow, Prefect), model registry, deployment (Docker, K8s, serverless), monitoring, and CI/CD for ML. Use for automated training, model deployment, or ML infrastructure.

React Native and Expo mobile architect. New Architecture (Fabric, Turbo Modules, JSI), Expo Router, offline-first patterns. Use for mobile app architecture and React Native design.

Expert in debugging React Native and Expo mobile applications. Covers React DevTools, Flipper, Chrome DevTools, network debugging, crash analysis, error boundaries, debugging native modules, remote debugging, breakpoints, console logging strategies. Activates for debugging mobile app, react native debugging, flipper, devtools, breakpoints, crash, error, remote debugging, network request debugging, console.log, debugger, react native debugger.

Comprehensive ML model evaluation with multiple metrics, cross-validation, and statistical testing. Activates for "evaluate model", "model metrics", "model performance", "compare models", "validation metrics", "test accuracy", "precision recall", "ROC AUC". Generates detailed evaluation reports with visualizations and statistical significance tests, integrated with SpecWeave increment documentation.

Model interpretability and explainability using SHAP, LIME, feature importance, and partial dependence plots. Activates for "explain model", "model interpretability", "SHAP", "LIME", "feature importance", "why prediction", "model explanation". Generates human-readable explanations for model predictions, critical for trust, debugging, and regulatory compliance.

Centralized model versioning, staging, and lifecycle management. Activates for "model registry", "model versioning", "model staging", "deploy to production", "rollback model", "model metadata", "model lineage", "promote model", "model catalog". Manages ML model lifecycle from development through production with SpecWeave increment integration.

Intelligent multi-project specification splitting that maps user stories to correct projects (FE, BE, MOBILE, INFRA). Use when working with multiple JIRA/GitHub projects, microservices architecture, or brownfield projects with multiple teams. Analyzes content and tech stack for automatic classification.

n8n workflow automation with Kafka integration expert. Covers Kafka trigger node, producer node, event-driven workflows, error handling, retries, and no-code/low-code event processing patterns. Activates for n8n kafka, kafka trigger, kafka producer, n8n workflows, event-driven automation, no-code kafka, workflow patterns.

Expert in React Native native modules with New Architecture, Turbo Modules with Codegen, Fabric renderer, JSI (JavaScript Interface), New Architecture migration, bridging JavaScript and native code, iOS Swift modules, Android Kotlin modules, expo config plugins. IMPORTANT - Use Context7 for version-specific APIs. Activates for native module, native code, bridge, turbo module, JSI, fabric, autolinking, custom native module, ios module, android module, swift, kotlin, objective-c, java native code, codegen, new architecture.

Cloud network architect for VPC design, service mesh, zero-trust networking, load balancers, and CDN optimization. Use for network troubleshooting or connectivity issues.

Expert in Next.js 14+ App Router, Server Components, and Server Actions. Use when building Next.js applications, implementing SSR/SSG, or configuring dynamic routing and data fetching. Covers streaming, caching strategies, middleware, and deployment optimization.

Natural language processing ML pipelines for text classification, NER, sentiment analysis, text generation, and embeddings. Activates for "nlp", "text classification", "sentiment analysis", "named entity recognition", "BERT", "transformers", "text preprocessing", "tokenization", "word embeddings". Builds NLP pipelines with transformers, integrated with SpecWeave increments.

Node.js/TypeScript backend developer for Express, Fastify, NestJS, and GraphQL. Use when building Node.js APIs, REST endpoints, GraphQL APIs, or backend services.

Full-stack observability architect for Prometheus, Grafana, OpenTelemetry, distributed tracing (Jaeger/Tempo), SLIs/SLOs, error budgets, and alerting. Use for metrics, dashboards, traces, or reliability engineering.

Production observability architect - metrics, logs, traces, SLOs. Opinionated on OpenTelemetry-first, Prometheus+Grafana stack, alert fatigue prevention. Activates for monitoring, observability, SLI/SLO, alerting, Prometheus, Grafana, tracing, logging, Datadog, New Relic, OpenTelemetry, OTEL, metrics collection, log aggregation, distributed tracing, Jaeger, Zipkin, Loki, ELK stack, Elasticsearch, Kibana, Fluentd, structured logging, alert rules, dashboards, Grafana dashboards, PromQL, LogQL, cardinality, metric labels, span context, trace ID, correlation ID, service mesh observability, APM, application performance monitoring, error tracking, Sentry, uptime monitoring, synthetic monitoring, real user monitoring, RUM.

Integrate Stripe, PayPal, and payment processors. Handles checkout flows, subscriptions, webhooks, Stripe Connect, and PCI compliance. Activates for payments, Stripe, PayPal, checkout, billing, subscriptions, recurring payments, payment processing, credit card, debit card, payment gateway, webhook, payment intent, customer portal, invoice, refund, dispute, chargeback, PCI compliance, 3D Secure, SCA, payment methods, Apple Pay, Google Pay, ACH, SEPA, pricing tables, metered billing, usage-based billing, trial period, coupon codes, discounts, promo code, 100% off, free checkout, add payments, implement payments, accept payments, take payments, collect payments, charge users, charge customers, monetize, make money, SaaS billing, subscription model, monthly billing, annual billing, pay per use, freemium, premium plan, pro plan, enterprise plan, pricing page, pricing tiers, upgrade plan, downgrade plan, cancel subscription, pause subscription, resume subscription, failed payment, payment failed, card declined, retry payment, dunning, past due, payment reminder, receipt email, invoice email, tax calculation, sales tax, VAT, Stripe Tax, payment link, buy button, donate button, tip jar, one-time payment, recurring payment, installments, payment schedule, split payment, marketplace payments, Stripe Connect, Direct Charge, Destination Charge, connected account, platform fees, transfer, payout, balance, Stripe dashboard, test mode, live mode, test cards, Stripe CLI, stripe listen, webhook signature, idempotency key, idempotent, Stripe Elements, Payment Element, Card Element, Stripe.js, server-side confirmation, client-side confirmation, payment verification, verify payment, dual confirmation, inventory management, slot booking, WebBrowser payment, Expo payment, React Native payment, checkout session, checkout session completed, connect webhook.

Integrate PayPal payment processing with support for express checkout, subscriptions, and refund management. Use when implementing PayPal payments, processing online transactions, or building e-commerce checkout flows.

PCI DSS compliance expert for secure payment card handling and audit preparation. Use when implementing card tokenization, encrypting payment data, or preparing for PCI compliance audits. Covers SAQ levels, data minimization, access control, and audit logging requirements.

Performance engineering for web applications, databases, and distributed systems optimization. Use for analyzing bottlenecks, implementing caching strategies, or improving Core Web Vitals. Covers profiling, load testing, bundle optimization, and database query performance tuning.

Performance engineering - OpenTelemetry, distributed tracing, load testing (k6, JMeter), multi-tier caching, Core Web Vitals. Use for slow apps or latency issues.

Expert Claude Code plugin development covering plugin structure, slash commands, auto-activating skills, sub-agents, plugin.json configuration, YAML frontmatter, activation keywords, directory structure, and plugin best practices. Activates for plugin development, create plugin, claude plugin, slash command, skill activation, SKILL.md, plugin.json, claude code plugin, how to make plugin.

Validates SpecWeave plugin installation when EXPLICITLY requested by user. Use for checking if plugins are installed correctly, validating marketplace registration, or troubleshooting missing plugins. Only triggers on explicit requests to avoid false positives during normal workflow.

Product Manager for spec-driven development with SpecWeave conventions. Use when writing user stories, defining acceptance criteria, planning MVPs, or prioritizing features. Creates specs with proper AC-IDs, manages requirements, and maintains product roadmaps.

PR Test Coverage Analyzer - Evaluates test completeness focusing on behavioral verification, not metrics chasing. Based on Anthropic's official pr-test-analyzer. Activates for PR test coverage, test coverage review, missing tests, test gaps, edge case coverage, regression prevention, test quality, are tests complete, check test coverage, review tests, test analysis.

Documentation view expert for Docusaurus integration. Launches interactive server for SpecWeave living documentation with hot reload, auto-generated sidebar, and Mermaid diagrams. Works in ANY SpecWeave project with auto-setup. Supports both internal (port 3015) and public (port 3016) docs. Activates for preview docs, view documentation, Docusaurus server, docs UI, documentation website, local docs server, hot reload docs, static site build.

Comprehensive progress synchronization expert for multi-system sync (tasks.md → living docs → GitHub/JIRA/ADO). Use when syncing progress across systems, creating missing external issues, or understanding /sw:sync-progress command. AUTO-CREATES missing issues when external links are absent.

Set up Prometheus for comprehensive metric collection, storage, and monitoring of infrastructure and applications. Use when implementing metrics collection, setting up monitoring infrastructure, or configuring alerting systems.

Python backend developer for FastAPI, Django, and Flask. Use when building Python APIs, REST endpoints, or data processing services.

Expert QA engineer for test strategy and automation. Use when writing tests, fixing failing tests, or improving test coverage.

QA lead for comprehensive test strategy, automation frameworks, and quality gates. Use when creating test plans, designing test suites, or setting up E2E/integration testing. Covers web, mobile, and API testing with Playwright, Jest, and test coverage requirements.

Ralph Loop Best Practices - Guidelines for effective autonomous iteration. Based on Anthropic's official ralph-loop plugin. Helps design prompts for iterative AI development with clear completion signals.

Manages Release Candidate (RC) workflows including pre-release tagging, RC lifecycle (alpha/beta/rc), testing validation, RC promotion to production, rollback procedures, and channel-based releases. Handles RC versioning (v1.0.0-rc.1, v1.0.0-beta.1), tracks RC testing status, coordinates RC across multiple repositories, manages canary/blue-green deployments. Activates for release candidate, RC, pre-release, beta release, alpha release, canary release, rc workflow, promote rc, rc testing, staging release, pre-production.

React Native and Expo expert for environment setup, Metro bundler, native modules, device testing, performance optimization, and debugging. Use for RN setup, build issues, or mobile debugging.

Expert in React Native 0.83+ and Expo SDK 54+ environment setup. Helps with Node.js 20+, Xcode 16.1+, Android Studio, watchman, CocoaPods, EAS Build, simulators, emulators, and troubleshooting. Activates for environment setup, installation issues, xcode setup, android studio, simulators, emulators, react-native init, expo init, development environment, SDK configuration, EAS Build, development builds.

Self-improving AI memory system that persists learnings across sessions in CLAUDE.md. Use when capturing corrections, remembering user preferences, or extracting patterns from successful implementations. Enables continual learning without starting from zero each conversation.

Diagnostic tool for validating SpecWeave reflection system health and troubleshooting issues. Use when reflection seems stuck, learnings aren't being captured, or CLAUDE.md Skill Memories aren't updating. Checks configuration, permissions, and system state.

Self-reflection specialist that analyzes completed work for quality issues, security vulnerabilities, and improvement opportunities. Performs comprehensive code review covering OWASP Top 10, best practices, testing gaps, performance, and technical debt. Activates after task completion to provide constructive feedback and catch issues early before code review. Activates for self-reflection, code review, quality assessment, security review, OWASP check, best practices review, testing gaps, performance review, technical debt, lessons learned, what went well, what could improve, post-task analysis, code quality, reflection.

Multi-repo release coordination - dependency management, release waves, RC lifecycle (alpha/beta/rc), brownfield detection, rollback planning. Use for synchronized releases or release strategy.

Expert release management orchestrator for single-repo, multi-repo, and monorepo architectures. Coordinates all aspects of software releases including strategy planning, version alignment, RC workflows, multi-repo coordination, and deployment validation. Integrates brownfield detection, living docs updates, and CI/CD automation. Activates for release, version, versioning, semver, semantic versioning, changelog, release notes, npm publish, package publish, tag, git tag, release candidate, RC, production release, deploy to production, rollback, hotfix, patch release, major release, minor release, monorepo release, multi-repo release, release branch, release pipeline, release automation, changesets, conventional commits, bump version, publish package, release checklist, go-live, ship it, release cycle.

Expert in analyzing and recommending release strategies for software projects. Detects existing release patterns in brownfield projects (git tags, CI/CD workflows, changelogs, version files). Suggests optimal strategies based on architecture (single-repo, multi-repo, monorepo, microservices), team size, deployment frequency, and dependencies. Creates comprehensive release-strategy.md in living docs (.specweave/docs/internal/delivery/ or projects/{id}/delivery/). Activates for release strategy, versioning strategy, multi-repo releases, monorepo versioning, semantic versioning, coordinated releases, independent releases, release planning, version alignment, brownfield release analysis, deployment strategy, CI/CD release, how to version, release best practices.

Product roadmap and feature prioritization expert with RICE, MoSCoW, and Kano frameworks. Use when planning product roadmaps, prioritizing features across increments, or defining success metrics and KPIs. Covers ROI analysis, stakeholder communication, and quarterly planning.

Multi-agent orchestration system that coordinates PM, Architect, DevOps, QA, Tech Lead, and Security agents for complex tasks. Use when building full products, creating SaaS applications, or any end-to-end implementation requiring multiple specialized roles. Implements hierarchical orchestrator-worker pattern.

Security engineer for vulnerability assessment, penetration testing guidance, and secure code review. Use for OWASP Top 10 checks, threat modeling, or security architecture review. Covers authentication flaws, injection vulnerabilities, access control, and compliance requirements.

Real-time security pattern detector based on Anthropic's official security-guidance plugin. Use proactively when writing code to detect command injection, XSS, unsafe deserialization, and dynamic code execution risks. Identifies dangerous patterns BEFORE they're committed.

Example skill demonstrating self-validating REST API generation with automatic test execution. Use as a template for creating skills with pre-tool-use validation hooks. Validates Node.js environment and dependencies before generating endpoints.

Serverless platform selection expert for AWS Lambda, Azure Functions, GCP Cloud Functions, and Firebase. Use when choosing between serverless platforms, evaluating cold start requirements, or designing event-driven architectures. Considers project scale (pet project vs enterprise), workload patterns, and cost optimization.

Silent Failure Hunter - Identifies hidden error handling issues, inadequate catch blocks, and inappropriate fallback behavior. Based on Anthropic's official silent-failure-hunter. Activates for error handling review, silent failures, catch block review, error swallowing, hidden errors, exception handling, try catch review, error logging, failure detection, find silent errors.

Define and implement Service Level Indicators (SLIs) and Service Level Objectives (SLOs) with error budgets and alerting. Use when establishing reliability targets, implementing SRE practices, or measuring service performance.

Detects when user reports issues with recently completed work and suggests reopening relevant tasks or increments. Use when reporting bugs, regressions, or problems with recently finished features. Scans completed work from last 7 days and provides relevance-scored suggestions while checking WIP limits.

Spec-driven brainstorming and product discovery expert. Helps teams ideate features, break down epics, conduct story mapping sessions, prioritize using MoSCoW/RICE/Kano, and validate ideas with lean startup methods. Activates for brainstorming, product discovery, story mapping, feature ideation, prioritization, MoSCoW, RICE, Kano model, lean startup, MVP definition, product backlog, feature breakdown.

ACTIVE router that detects development tasks and spawns specialized agents. Activates for: React, Vue, Next.js, frontend, dashboard, component, UI, UX, GitHub, API, backend, database, SQL, PostgreSQL, MongoDB, Redis, Kubernetes, K8s, Docker, Terraform, AWS, Azure, GCP, infrastructure, ML, machine learning, model, training, AI, data science, testing, TDD, test-driven, Vitest, Jest, Playwright, E2E, mobile, React Native, iOS, Android, Expo, Kafka, streaming, event-driven, messaging, payments, Stripe, checkout, billing, subscriptions, release, deploy, CI/CD, pipeline, version, diagram, architecture, C4, Mermaid, flowchart, increment, specweave, /sw:, spec.md, tasks.md, living docs.

SRE expert for incident response, production troubleshooting, root cause analysis, post-mortems, and runbooks. Use for outages, performance issues, or SEV incidents.

Executive documentation from technical living docs - business summaries, progress dashboards, feature status reports. Use for stakeholder communication.

Test-Driven Development (TDD) expertise covering red-green-refactor cycle, behavior-driven development, test-first design, refactoring with confidence, TDD best practices, TDD workflow, unit testing strategies, mock-driven development, test doubles, TDD patterns, SOLID principles through testing, emergent design, incremental development, TDD anti-patterns, and production-grade TDD practices. Activates for TDD, test-driven development, red-green-refactor, test-first, behavior-driven, BDD, refactoring, test doubles, mock-driven, test design, SOLID principles, emergent design, incremental development, TDD workflow, TDD best practices, TDD patterns, Kent Beck, Robert Martin, Uncle Bob, test-first design.

Master TDD orchestrator for strict red-green-refactor discipline, multi-agent test-driven workflows, and TDD intent detection. Use when implementing TDD across complex features, coordinating test and implementation agents, enforcing TDD cycle discipline, or wanting to write tests first. Covers modern TDD practices, test isolation, quality gates, and TDD education.

Test-Driven Development workflow coordinator. Detects TDD intent and offers guided red-green-refactor cycle. Activates for TDD, test-driven, red-green-refactor, write tests first, test-first development, Kent Beck, TDD cycle.

Technical lead bridging architecture and implementation for code quality and guidance. Use when reviewing code, refactoring for maintainability, or breaking features into implementation tasks. Covers design patterns, SOLID principles, code organization, and technical debt management.

Technical writing expert for API documentation, README files, tutorials, changelog management, and developer documentation. Covers style guides, information architecture, versioning docs, OpenAPI/Swagger, and documentation-as-code. Activates for technical writing, API docs, README, changelog, tutorial writing, documentation, technical communication, style guide, OpenAPI, Swagger, developer docs.

Generate tasks.md with embedded test plans in BDD format, one user story at a time to prevent crashes. Use for test-first task planning where each task includes Given/When/Then scenarios. Produces implementation tasks with inline test specifications.

Time series forecasting with ARIMA, Prophet, LSTM, and statistical methods. Activates for "time series", "forecasting", "predict future", "trend analysis", "seasonality", "ARIMA", "Prophet", "sales forecast", "demand prediction", "stock prediction". Handles trend decomposition, seasonality detection, multivariate forecasting, and confidence intervals with SpecWeave increment integration.

LLM-native translation skill that uses the current session for zero-cost SpecWeave content translation. Use when translating CLI messages, templates, documentation, or living docs to other languages. Supports multilingual output and internationalization workflows.

Type Design Analyzer - Evaluates type quality across encapsulation, invariant expression, usefulness, and enforcement. Based on Anthropic's official type-design-analyzer. Activates for type review, type design, type quality, invariants, encapsulation review, type safety, TypeScript types, type analysis, improve types, type architecture.

Detects multi-repo architecture patterns (frontend/backend/shared) from user prompts and guides umbrella setup. Use when working with multiple repositories, microservices architecture, or projects with separate FE/BE/Shared libraries. Helps configure SpecWeave for multi-repo coordination.

Unit testing and TDD expert for Vitest/Jest. Red-green-refactor workflow, mocking strategies, coverage analysis, and ESM mocking patterns. Use for writing tests, implementing TDD, or setting up test coverage.

Comprehensive unit testing expertise covering Vitest, Jest, test-driven development (TDD), mocking strategies, test coverage, snapshot testing, test architecture, testing patterns, dependency injection, test doubles (mocks, stubs, spies, fakes), async testing, error handling tests, parametric testing, test organization, code coverage analysis, mutation testing, and production-grade unit testing best practices. Activates for unit testing, vitest, jest, test-driven development, TDD, red-green-refactor, mocking, stubbing, spying, test doubles, test coverage, snapshot testing, test architecture, dependency injection, async testing, test patterns, code coverage, mutation testing, test isolation, test fixtures, AAA pattern, given-when-then, test organization, testing best practices, vi.fn, vi.mock, vi.spyOn, describe, it, expect, beforeEach, afterEach.

Smart merge for CLAUDE.md and AGENTS.md instruction files that preserves user customizations while updating SpecWeave sections. Use after plugin refresh, version upgrade, or when instruction files need sync. Parses SW-managed sections and preserves user content.

Updates GitHub issues for user stories with proper ACs and tasks. Activates for update user story issue, fix GitHub issue format, add checkable ACs, refresh user story issue, sync user story to GitHub.

Multi-repo version alignment - lockstep/independent/umbrella strategies, semver constraints, version conflict detection.

Visual regression testing expert using Playwright snapshots, Percy, Chromatic, BackstopJS, and pixel-diff analysis. Covers baseline management, responsive testing, cross-browser visual testing, component visual testing, and CI integration. Activates for visual regression, screenshot testing, visual diff, Percy, Chromatic, BackstopJS, pixel comparison, snapshot testing, visual testing, CSS regression, UI looks different, layout changed, style regression, component looks wrong, responsive breakpoints, cross-browser differences, screenshot comparison, baseline update, approve changes, Storybook visual tests, design QA, pixel perfect, UI drift, visual bugs.

Visual regression testing expert using Playwright snapshots, Percy, Chromatic, BackstopJS, and pixel-diff analysis. Covers baseline management, responsive testing, cross-browser visual testing, component visual testing, and CI integration. Activates for visual regression, screenshot testing, visual diff, Percy, Chromatic, BackstopJS, pixel comparison, snapshot testing, visual testing, CSS regression, UI looks different, layout changed, style regression, component looks wrong, responsive breakpoints, cross-browser differences, screenshot comparison, baseline update, approve changes, Storybook visual tests, design QA, pixel perfect, UI drift, visual bugs.