Claude Skills

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.

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.

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.

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.

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.

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

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.

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.

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

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

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

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.

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.

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.

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.

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.

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.

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.