Testing

18,217 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

harness

409

studioKjm/ai-harness-template

Plugin Claude Code

Bundles 44 commands, 11 agents · 1,641 tokens together

Specification-first AI harness: 11 structural gates, 11 Ouroboros commands, 11 agent personas, and 3-tier architecture enforcement. v2.1: Pair Mode (Navigator-Driver + independent test design + /review command).

not rated 43 3mo ago A tokens not measured original MIT

adversarial-testing

411

KieranHoward646/Adversarial-Testing-Skill

Skill Claude CodeCodex

Multi-AI adversarial testing workflow. Two AI agents collaborate: a Developer AI produces a structured product summary with test targets, then an Adversarial AI safely executes tests and auto-fixes issues. This skill should be used when the user wants to run adversarial testing on any software product, API, or feature…

not rated 43 25d ago A 158 tokens original MIT

release-gate-loop

412

KongFangXun/sofagent

Skill Claude CodeCodex needs its repo

A release check that tests a change, reports whether it passes, and can run a limited fix-and-retest cycle. A release is the act of making a software version available.

not rated 43 +1 changed yesterday A 59 tokens original MIT

accessibility_testing

413

vuralserhat86/antigravity-agentic-skills

Skill Claude CodeCodex

Guide for conducting comprehensive accessibility audits of code to identify WCAG compliance issues and barriers to inclusive design. This skill should be used when reviewing accessibility, ARIA implementation, keyboard navigation, or screen reader compatibility.

not rated 42 8mo ago A 45 tokens

excessibility

414

lessthanseventy/excessibility

Plugin Claude Code

Bundles 3 skills · 97 tokens together

LiveView introspection and accessibility testing skills for Phoenix. Use htmlsnapshot() to capture state at any point, axe-core for WCAG compliance, timeline analysis for debugging.

not rated 42 4d ago A tokens not measured original MIT

sceneproof

415

ReyJ94/SceneProof

Skill Claude CodeCodex

Visual reasoning discipline for verifying UI and Three.js work with the SceneProof CLI. Use whenever a change can alter rendered output — components, styles, layout, SVG, canvas, scenes, cameras, lights, materials, animation — or whenever about to claim that something "looks right", "is visible", or "renders…

not rated 42 10d ago A 89 tokens original MIT

pdca-framework

416

kenjudy/pdca-agentic-coding-framework

Skill Claude CodeCodex

Guides developers through a human-supervised PDCA framework for AI code generation. Applies analysis, TDD, validation, and retrospection. Activates for sessions requiring systematic quality control.

not rated 42 3d ago A 41 tokens

playwright

417

lizTheDeveloper/solarpunk_utopia

MCP server Claude CodeCodexCursor +2

Model Context Protocol servers for Playwright. Runs locally from the @executeautomation/playwright-mcp-server npm package. Needs 1 environment variable to run.

not rated 42 7mo ago A tokens not measured

quality-gates

418

NikiforovAll/lazyclaude

Skill Claude Code

This skill should be used when the user wants to run code quality checks (linting, formatting, type checking, tests) on the lazyclaude project. Use this skill when asked to "run quality gates", "check the code", "run tests", "lint the code", or verify code quality before committing.

not rated 41 5mo ago A 68 tokens original MIT

test-coverage-mcp

419

goldbergyoni/test-coverage-mcp

MCP server Claude CodeCodexCursor +2

Analyze test coverage from LCOV files - makes AI agents coverage-aware without wasting tokens. Runs locally from the test-coverage-mcp npm package.

not rated 41 7mo ago A tokens not measured

Test Generator

420

DollhouseMCP/mcp-server

Agent Claude Code

Automated unit test generation for code with comprehensive coverage.

not rated 41 yesterday A 13 tokens AGPL-3.0

rawveg/skillsforge-marketplace

Skill Claude CodeCodex

Use proactively when you need to implement features or fix bugs using strict Test-Driven Development (TDD) methodology. This agent should be activated for any coding task that requires writing new functionality, refactoring existing code, or ensuring comprehensive test coverage, but should not be used for any…

not rated 40 6mo ago A 113 tokens

cypress

422

cypress-io/ai-toolkit

Plugin Claude Code

Bundles 5 skills, 1 MCP server · 425 tokens together

Create, update, and fix Cypress tests. Connect to Cypress Cloud to see test results and use data to manage your test suite.

not rated 40 9d ago A tokens not measured original MIT

justfinethanku/cc_chrome_devtools_mcp_skill

Skill Claude CodeCodex

Comprehensive Chrome DevTools automation for performance testing, Core Web Vitals measurement (INP, LCP, CLS), network monitoring, accessibility validation, responsive testing, and browser automation. Uses Chrome DevTools Protocol via MCP to provide professional-grade web application testing, debugging, and analysis…

not rated 40 10mo ago A 82 tokens

pr-test-plan

425

pixelfrog7523-vgfvu/pr-test-plan

Skill Claude CodeCodex

A tool that turns a pull request description or code-change summary into a practical test plan for reviewers and QA. It lists risks, test cases, setup needs, and regression checks.

not rated 40 +29 1mo ago A 88 tokens original MIT

ds-spec-loop

426

songyang0603/ds-spec-loop

Skill Codex

Run a strict repository-native Spec programming loop that keeps requirements, owning decisions, implementation, tests, and current documentation consistent in one bounded change. Use when explicitly invoked; when repository instructions require a Spec, RFC, ADR, proposal, design doc, or decision record for…

not rated 38 20d ago A 120 tokens original MIT

mk-qa-master

427

kao273183/mk-qa-master

Plugin Claude Code

Bundles 1 skill, 3 commands · 245 tokens together

A plugin that provides AI-assisted software testing through an MCP server. It includes 22 testing tools, a bilingual QA knowledge layer, visual challenge solving, API security scanning, and a stream-analysis tool.

not rated 37 3mo ago A tokens not measured original MIT

validation-runner

428

mlopscommunity/Coding-Agents-Conference-skills

Skill Claude CodeCodex

Use to comprehensively validate code quality and correctness in a separate context from the coding agent. Catches issues that biased validation would miss, ensures linting, tests, and assumptions are valid before merge.

not rated 37 5mo ago A 44 tokens original Apache-2.0

mcp

429

webdriverio/mcp

MCP server Claude CodeCodexCursor +2

MCP server with WebdriverIO for browser and mobile app automation (iOS/Android via Appium). Runs locally from the @wdio/mcp npm package.

not rated 37 2d ago A tokens not measured original MIT

stv

431

2lab-ai/oh-my-claude

Plugin Claude Code

Bundles 14 skills · 839 tokens together

Spec-Trace-Verify (STV): Traced Development methodology. 7+1-section Vertical Trace (Section 0 Client Surface closes the frontend→dto→api→service→db round trip), 4-category Contract Tests, Decision Gate with Business-Meaning Override, and 4 STV Invariants. Bundle contract {tracepath, scenarioids} for targeted executi.

not rated 36 1mo ago A tokens not measured

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: