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Claude Engineering Skills (Page 407 of 488)

Code review, refactoring, testing, DevOps, CI/CD, databases, cloud platforms, and full-stack development skills for Claude Code.

29,262 skills · updated 2026-10-25 · showing 24361–24420 of 29,262 by quality score

Sub-topics:Testing (4,356)Devops (3,948)Architecture (3,203)Backend (2,624)Frontend (1,764)Languages (1,535)Code Quality (1,513)Cloud Platforms (1,362)

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Picks the model a coding agent uses when a test or browser check sends an AI call. Use when choosing a model for any test, UI check, bench, or agent run, or when a test names…
Mutation testing workflow. Systematically mutates source code to verify tests actually catch bugs. Multi-session with progress tracking.
Universal AI-powered web scraper for any platform. Scrape data from Instagram, Facebook, TikTok, YouTube, Google Maps, Google Search, Google Trends, Booking.com, and Trip — from…
Guide for writing expressive, behavior-focused tests following Vladimir Khorikov's testing principles.
Ensure tests use clear naming and cover edge cases with proper describe/it structure.
Test Naming Enforcer - Auto-activating skill for Test Automation. Triggers on: test naming enforcer, test naming enforcer Part of the Test Automation skill category.
Use to verify a napplet before publishing - run protocol conformance with the @napplet/conformance-cli runner (real Chromium, reference shell), interpret failures, confirm…
Validate a third-party control repo across four automated layers plus one printed manual recipe. Layer 1 asserts native-source structure (Android getName() and iOS +moduleName to…
Inventory and test explicitly authorized network services with bounded discovery and protocol-aware validation.
Testování otázek z databáze českého občanství. Náhodně vybírá otázky, zobrazuje možnosti A-D, čeká na odpověď uživatele, zobrazuje správnou odpověď a sleduje pokrok.
Implementing test observability with execution analytics, failure trend analysis, coverage gap detection, and test suite health dashboards.
Use when a test passes but may be checking the wrong signal, mocks its own assumption, snapshots unstable output, or cannot distinguish correct behavior from a broken…
Coordinates testing strategy and execution across all test types. Use when creating test plans, implementing tests (unit/integration/E2E), or enforcing coverage requirements (80%…
Test Organization Helper - Auto-activating skill for Test Automation. Triggers on: test organization helper, test organization helper Part of the Test Automation skill category.
Use when you need to verify whether a GitHub Actions workflow badge (e.g., main.yml) accurately reports the CI pipeline's true pass/fail status.
Test Parallelizer - Auto-activating skill for Test Automation. Triggers on: test parallelizer, test parallelizer Part of the Test Automation skill category.
Data-driven testing with parameterized tests, test matrices, combinatorial testing, and pairwise parameter generation techniques.
Tests whether patterns actually work — trigger, emerge, and produce value. Use when (1) user wants to verify a pattern before relying on it, (2) user runs /test-pattern command,…
Write and run tests across languages and frameworks. Use when setting up test suites, writing unit/integration/E2E tests, measuring coverage, mocking dependencies, or debugging…
[Tier 3 — Non-Functional: Performance Efficiency · ISO 25010] Performance test orchestrator — choose a sub-type or run the full pipeline. Requires a running environment.
[Tier 3 — Non-Functional: Performance Efficiency · ISO 25010] Database performance test workflow — slow queries, missing indexes, and N+1 patterns via EXPLAIN ANALYZE.
[Tier 3 — Non-Functional: Performance Efficiency · ISO 25010] Frontend performance test workflow — Core Web Vitals (LCP, CLS, INP), bundle size, and render performance.
CPU-profile or leak-detect an existing vitest suite via env-gated instrumentation — DX_PROFILE_TESTS emits a V8 .cpuprofile, DX_DEBUG_LEAKS writes before/after heap snapshots plus…
[Tier 3 — Non-Functional: Performance Efficiency · ISO 25010] Load test workflow — measures p95/p99 latency and throughput at expected concurrent users.
[Tier 3 — Non-Functional: Performance Efficiency · ISO 25010] CPU and memory profiling workflow — flamegraphs and heap snapshots to pinpoint hot paths and memory leaks.
[Tier 3 — Non-Functional: Performance Efficiency · ISO 25010] Soak test workflow — sustained load for 30-60 min to detect memory leaks and connection pool exhaustion.
[Tier 3 — Non-Functional: Performance Efficiency · ISO 25010] Stress test workflow — ramps load beyond capacity to find breaking point and verify recovery.
Use when optimizing test suite performance — database setup, seeder optimization, parallel testing, CI pipeline efficiency, or RefreshDatabase alternatives.
Test plan generation skill covering requirements analysis, test strategy, coverage matrices, risk-based testing, and test estimation techniques.
Test a playable browser game end to end with deterministic fixtures and real browser evidence. Use for gameplay QA, regression testing, controls, accessibility, responsive/mobile…
Close the PDCA loop on the work you just did. After implementing changes, drive the LIVE app on localhost through the Playwright browser MCP like a real end user — manually, not…
Run the plugin's behavioral test scenarios (plugin-tests/scenarios/) against fresh subagents on hermetic throwaway boards, assert on resulting board state, and report a pass/fail…
Use to restructure code while guaranteeing that all existing tests continue to pass.
Use when creating or editing any prompt (commands, hooks, skills, subagent instructions) to verify it produces desired behavior - applies RED-GREEN-REFACTOR cycle to prompt…
Use for property-based and stateful tests — hypothesis, proptest, fast-check, generators, shrinking.
Test runner conventions — node:test only (no Jest/Mocha), no-shrink rule on test count, mandatory failure-branch coverage for new exports, smoke tests required.
Audit a project's test suite for redundant, trivial, or mock-theater tests; relocate the ones that are the only coverage for a behavior; delete the rest.
Rebalance a top-heavy test suite toward fast unit tests without dropping the coverage the slow tests provide.
GENERIC webapp QA fallback — use ONLY when no project-specific QA skill applies (66ai-user-story-testing for 6-6 AI, sbc-qa-data-integrity-audit/sbc-pdca-audit for 一人社長,…
Test quality bar for this repo. Read when writing, reviewing, or designing tests — covers naming, abstraction level, assertions, determinism, and the process for agent-driven test…
Analyze test code quality to detect coverage-only tests, test smells, and low-value assertions. Use when asked to "analyze test quality", "find coverage-only tests", "audit our…
Add, repair, and improve tests and coverage. Use when Codex needs to generate unit tests, fix failing tests, improve meaningful coverage, test error handling, add Playwright…
Orchestrates the full test-readiness pipeline (phases 1–5), once per qualifying repo under repos/, each in its own worktree + branch.
Pre-test readiness workflow that finds and fixes predictable validation blockers before running expensive local or container test gates.
Validate that reasoning parameters are correctly serialized and sent to provider APIs. Use when the user asks to test reasoning serialization, run reasoning tests, verify…
Manually dispatch and iterate on the Release Canary workflow that smoke-tests published OpenShell artifacts (install.sh on macOS/Ubuntu/Fedora, Helm chart on kind) after each…
Fix failing Vanta compliance tests using code. Apply when the user mentions Vanta tests, compliance test failures, remediation, test IDs (e.g., "cloudtrail-log-file-validation"),…
When renaming a function, test files have references that survive find-and-replace:
Building test reporting dashboards with real-time execution metrics, trend analysis, flaky test detection, coverage visualization, and integration with Allure, ReportPortal, and…
Make UIs responsive across all devices and verify responsiveness using Playwright. Includes scrollbar testing, breakpoint verification, and layout validation.
Use when when you need to validate that a package's periodic integration test suite (distinct from unit tests) passes as expected, or when you must collect and communicate…
Test Retry Config - Auto-activating skill for Test Automation. Triggers on: test retry config, test retry config Part of the Test Automation skill category.
Test Retry Config - Auto-activating skill for Test Automation. Triggers on: test retry config, test retry config Part of the Test Automation skill category.
Use when auditing tests that may not verify real behavior: tautological assertions, missing assertions, skipped tests without a tracker, mock-everything tests, swallowed…
Run plugin test suites in this monorepo and report a concise pass/fail summary. Optional plugin slug arg; without arg, runs all plugins under plugins/.
Shared rules for test runs that drive the running app or run a test target: isolation from concurrent runs, stubs for infrastructure that cannot be stood up, provisioning…
전체 또는 지정 범위의 테스트 스위트를 실행하고, 실패를 회귀·플래키·스펙불일치·환경 범주로 분류해 원인 추정과 수정안을 리포트한다. 테스트 출력은 대용량이므로 context-mode로 실행해 실패만 surface한다.
Auto-detect and run project tests — supports Go, TypeScript, Python, Rust, and more
Generate test file scaffolds from source analysis with language-appropriate templates.
Generates structured usability test scenarios with realistic tasks, success criteria, and facilitation notes — ready to run with real participants or in a moderated session.
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