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Found 2,597 Skills
Testing patterns for Vitest, React Testing Library, and Jest. Routes to component, hook, and integration test examples.
Perform code reviews following Sentry engineering practices. Use when reviewing pull requests, examining code changes, or providing feedback on code quality. Covers security, performance, testing, and design review.
Apply Google Testing on the Toilet (TotT) rules when writing tests, reviewing a test diff, choosing mocks vs fakes, diagnosing brittle or change-detector tests, DAMP vs DRY test structure, SMURF/pyramid layer choice, or flaky time/sleep/shared-fixture tests. Instructs what a good test asserts and what to refuse. Not a Vitest/runner cookbook and not an E2E authoring workflow.
Checklists and anti-patterns for reviewing Go code. Covers API design, error handling, concurrency, interfaces, safety, performance, naming, testing, functional options, logging, and deterministic simulation testing.
Develop React applications for VS Code Webview surfaces. Use when working on the `webview-ui` package, creating features, components, or hooks for VS Code extensions. Includes project structure, coding guidelines, and testing instructions.
Go Development Guidelines, including naming conventions, error handling, concurrent programming, testing specifications, etc.
The clhbid house rules. Use when writing, testing or reviewing code in a clhbid repo.
Systematic code maturity assessment using Trail of Bits' 9-category framework. Analyzes codebase for arithmetic safety, auditing practices, access controls, complexity, decentralization, documentation, MEV risks, low-level code, and testing. Produces professional scorecard with evidence-based ratings and actionable recommendations.
General software development best practices covering code quality, testing, security, performance, and maintainability across technology stacks
Oban background job patterns - workers, queues, error handling, testing. Load when working with background jobs.
Permission test. Use for testing.
Load PROACTIVELY when task involves reviewing code, auditing quality, or validating implementations. Use when user says "review this code", "check this PR", "audit the codebase", or "score this implementation". Covers the 10-dimension weighted scoring rubric (correctness, security, performance, architecture, testing, error handling, type safety, maintainability, accessibility, documentation), automated pattern detection for anti-patterns, and structured review output with actionable findings.