Skills by job · page 6

Testing skills

281 audited skills for testing: 184 SAFE, 66 CAUTION, 31 BLOCK. Write and run tests, test-driven development, acceptance and end-to-end checks.

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ModelsAtlas. “Testing skills”. Retrieved 29 Oct 2026. https://modelsatlas.com/skills/topic/testing/page/6
281 testing skills · page 6 of 12 · ranked by trust score, then stars

A B Test Design

owl-listener/designer-skills

✓SAFE B

Design an A/B experiment — hypothesis, variants, primary metric, and sample size. Use when a change can be measured quantitatively at scale. For observing behaviour qualitatively, use `test-scenario`.

★ 3k89/100

Performance

addyosmani/web-quality-skills

!CAUTION B

Optimize web performance for faster loading and better user experience. Use when asked to "speed up my site", "optimize performance", "reduce load time", "fix slow loading", "improve page speed", or "performance audit".

★ 3k89/100

Core Web Vitals

addyosmani/web-quality-skills

!CAUTION B

Optimize Core Web Vitals (LCP, INP, CLS) for better page experience using field and lab evidence. Use when asked to "improve Core Web Vitals", "fix LCP", "reduce CLS", "optimize INP", "page experience optimization", or…

★ 3k89/100

Best Practices

addyosmani/web-quality-skills

!CAUTION B

Apply modern web development best practices for security, compatibility, and code quality. Use when asked to "apply best practices", "security audit", "modernize code", "code quality review", or "check for…

★ 3k89/100

Accessibility

addyosmani/web-quality-skills

!CAUTION B

Audit and improve web accessibility following WCAG 2.2 guidelines. Use when asked to "improve accessibility", "a11y audit", "WCAG compliance", "screen reader support", "keyboard navigation", or "make accessible".

★ 3k89/100

Fix Random Ci Test Failure

dotnet/macios

✓SAFE B

Investigate and fix flaky/random CI test failures in dotnet/macios. Trigger on GitHub issues describing intermittent test failures, CI postmortem issues, or when asked to fix a flaky test. Analyzes test code, identifies…

★ 2.9k89/100

Accessibility Test Scanner

jeremylongshore/claude-code-plugins-plus

✓SAFE B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

Api Test Automation

jeremylongshore/claude-code-plugins-plus

✓SAFE B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

Contract Test Validator

jeremylongshore/claude-code-plugins-plus

✓SAFE B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

Database Test Manager

jeremylongshore/claude-code-plugins-plus

!CAUTION B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

E2e Test Framework

jeremylongshore/claude-code-plugins-plus

✓SAFE B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

Integration Test Runner

jeremylongshore/claude-code-plugins-plus

✓SAFE B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

Load Test Runner

jeremylongshore/claude-code-plugins-plus

✓SAFE B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

Mutation Test Runner

jeremylongshore/claude-code-plugins-plus

✓SAFE B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

Performance Test Suite

jeremylongshore/claude-code-plugins-plus

✓SAFE B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

Regression Test Tracker

jeremylongshore/claude-code-plugins-plus

✓SAFE B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

Security Test Scanner

jeremylongshore/claude-code-plugins-plus

✓SAFE B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

Smoke Test Runner

jeremylongshore/claude-code-plugins-plus

✓SAFE B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

Snapshot Test Manager

jeremylongshore/claude-code-plugins-plus

✓SAFE B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

Test Coverage Analyzer

jeremylongshore/claude-code-plugins-plus

!CAUTION B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

Test Data Generator

jeremylongshore/claude-code-plugins-plus

✓SAFE B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

Test Doubles Generator

jeremylongshore/claude-code-plugins-plus

✓SAFE B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

Test Environment Manager

jeremylongshore/claude-code-plugins-plus

✓SAFE B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100

Test Orchestrator

jeremylongshore/claude-code-plugins-plus

✓SAFE B

Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.

★ 2.8k89/100