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Found 2,138 Skills
Walk Claude through PyDESeq2-based differential expression, including ID mapping, DE testing, fold-change thresholding, and enrichment visualisation.
Load PROACTIVELY when task involves writing tests, improving coverage, or test infrastructure. Use when user says "add tests", "write unit tests", "set up E2E testing", "improve coverage", or "add mocks". Covers Vitest/Jest unit tests, React Testing Library component tests, Playwright E2E tests, MSW API mocking, test organization and naming, fixture management, coverage targets and thresholds, snapshot testing, and CI integration.
Implement state machines with AASM for workflow management. Covers state transitions, guards, callbacks, and testing.
Provides patterns for unit testing service layer with Mockito. Validates business logic in isolation by mocking dependencies. Use when testing service behaviors and business logic without database or external services.
Specialized in testing and quality assurance for Gravito. Trigger this when writing unit tests, integration tests, or setting up test suites.
Controls InnerClaude instances on Sprites.dev VMs for testing workflows, install patterns, and Claude-to-Claude interaction. INVOKE BEFORE any 'sprite exec', 'inner Claude', 'test this workflow', 'Claude controlling Claude', or remote VM operations. Documents the critical tmux+pipe-pane pattern that makes OuterClaude/InnerClaude interaction work. Also covers checkpoint/restore and bootstrap. (user)
This skill should be used when the user asks to "test API security", "fuzz APIs", "find IDOR vulnerabilities", "test REST API", "test GraphQL", "API penetration testing", "bug b...
This skill should be used when the user asks to "intercept HTTP traffic", "modify web requests", "use Burp Suite for testing", "perform web vulnerability scanning", "test with Burp ...
Design test cases based on requirements. Use when users need test case design, testing strategy, or QA planning. Triggers on keywords like "test cases", "test design", "unit test", "integration test", "e2e test".
Bootstrap new projects with strong typing, linting, formatting, and testing. Supports Python, TypeScript, and other languages with research fallback.
Apply named refactoring transformations to improve code structure without changing behavior. Use when the user mentions "refactor this", "code smells", "extract method", "replace conditional", or "technical debt". Covers smell-driven refactoring, safe transformation sequences, and testing guards. For code quality foundations, see clean-code. For managing complexity, see software-design-philosophy.
Guides users through structured three-stage collaborative documentation workflow including context gathering, iterative refinement, and reader testing. Use when asked to "write a doc", "draft a proposal", "create a spec", "write technical documentation", "create a PRD", or "draft an RFC". Implements systematic approach for PRDs, design docs, decision docs, technical specs, and proposals through clarifying questions, section-by-section iteration, and fresh-eye validation. Works with markdown documentation, technical specifications, and structured writing projects.