Testing

19,993 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.

testkube-mcp

73

kubeshop/testkube

MCP server Claude CodeCodexCursor +2

MCP server "testkube-mcp" as configured in kubeshop/testkube. Runs in Docker (docker.io/kubeshop/mcp-server:2.9.1). Needs 9 environment variables to run.

not rated 1.7k yesterday A tokens not measured

evals-skills

74

hamelsmu/evals-skills

Plugin Claude Code

Bundles 7 skills · 458 tokens together

Skills for building LLM evaluations: pipeline audit, error analysis, synthetic data generation, LLM-as-Judge design, evaluator validation, RAG evaluation, and annotation interfaces.

not rated 1.7k +1 2mo ago A tokens not measured original MIT archived

expecttest

75

ezyang/codemcp

Cursor rule Cursor

We use expecttest for testing. If you need to match against a multiline string or some output that is likely to change in the future (e.g., the kind of thing you would have ordinarily done an assertIn with), use an expect test. If a test is assertExpectedInline and it fails, use 'accept' command to update the output…

not rated 1.6k 10mo ago A 0 tokens original Apache-2.0

crabbox

76

openclaw/crabbox

Skill Claude CodeCodex needs its repo

Detect and use Crabbox for repository tests and validation on remote runners. Use when crabbox.yaml or .crabbox.yaml exists, the crabbox CLI is available, or work needs remote compute, a clean or reusable environment, target-platform coverage, or auditable execution evidence.

not rated 1.5k +5 changed 2d ago A SkillSpector: pass 60 tokens original MIT

shinka-setup

77

SakanaAI/ShinkaEvolve

Skill Claude CodeCodex

Create ShinkaEvolve task scaffolds from a target directory and task description, producing evaluate.py and initial. (multi-language). Use when asked to set up new ShinkaEvolve tasks, evaluation harnesses, or baseline programs for ShinkaEvolve.

not rated 1.5k +12 1mo ago A SkillSpector: warn 62 tokens original Apache-2.0

waza

78

microsoft/waza

Skill Claude CodeCodex ✓ vendor

WORKFLOW SKILL - Evaluate AI agent skills using structured benchmarks with YAML specs, fixture isolation, and pluggable validators. USE FOR: run waza, waza help, run eval, run benchmark, evaluate skill, test agent, generate eval suite, init eval, compare results, score agent, agent evaluation, skill testing…

not rated 1.5k +4 yesterday A SkillSpector: pass 145 tokens original MIT

aegis

79

GanyuanRan/Aegis

Plugin Claude Code

Bundles 23 skills, 3 commands, 1 hook · 935 tokens together

Core skills library for Claude Code: TDD, debugging, collaboration patterns, and proven techniques.

not rated 1.4k +11 changed yesterday A tokens not measured original MIT

godot-e2e

80

valkor-ai/loom

Skill Claude Code

Write and run E2E (end-to-end) game tests using the godot-e2e framework. Python controls a live Godot game over TCP — Locator-based semantic queries, expect() auto-retry assertions, and engine log capture make failures self-diagnosing. Use this skill whenever you need to: Test actual gameplay: player movement…

not rated 1.4k +59 3d ago A SkillSpector: pass 189 tokens original Apache-2.0

atmos-rules

81

cloudposse/atmos

Cursor rule Cursor

This is a Golang CLI project using Cobra for command structure and Viper for configuration management. The project maintains high code quality standards through golangci-lint and aims for maximum test coverage. The repository also includes the website source code for https://atmos.tools.

not rated 1.4k +5 yesterday A 1,420 tokens original Apache-2.0

michaelshimeles/skills

Skill Claude CodeCodex

Records visual proof while testing UI behavior — the agent tests the app hands-on via computer use while a screen recording with structured test/assertion annotations captures the session — then posts the video and a results summary to the requested destination. Use when changed runtime behavior needs observable…

not rated 1.4k changed 17d ago A 83 tokens

e2e-runner

83

cfrs2005/claude-init

Agent Claude Code needs its repo

An end-to-end testing assistant built around Playwright, a tool that controls real browsers to test complete user journeys.

not rated 1.4k +4 7mo ago A 70 tokens original MIT

tophant-ai/aibeat

Skill Claude CodeCodex

Use when a user has a Promptbeat config or generated promptfoo config and wants to validate, generate a few cases, run a first small evaluation, inspect artifacts, or create a report.

not rated 1.4k +3 changed 1mo ago A 46 tokens

verify-commit

85

infinispan/infinispan

Skill Claude Code

Verify that commits for a GitHub issue include tests and that those tests fail without the implementation changes. Given an issue ID, finds commits, checks for test files, then reverts src/main changes and runs the tests to confirm they fail.

not rated 1.4k +1 today A 52 tokens original Apache-2.0

ios-simulator-skill

86

conorluddy/ios-simulator-skill

Plugin Claude Code

Bundles 1 skill · 106 tokens together

30 scripts for iOS app building, testing, and simulator automation. Semantic UI navigation via the accessibility tree, xcodebuild with progressive error disclosure, accessibility audits, hang detection, and simulator lifecycle management.

not rated 1.3k +6 changed today A tokens not measured original MIT

caliber-testing

87

caliber-ai-org/ai-setup

Skill Claude CodeCodex needs its repo

Writes Vitest tests following project patterns: tests/ directories, vi.mock() for module mocking with vi.hoisted() for test-time factories, global LLM mock from src/test/setup.ts, environment variable save/restore in beforeEach/afterEach, vi.clearAllMocks() lifecycle, and test file organization. Use when user says…

not rated 1.3k +3 1mo ago A SkillSpector: pass 0 tokens original MIT

skills

88

AI-Builder-Club/skills

Plugin Claude Code

Bundles 11 skills · 1,225 tokens together

Build loop engineers: a file-based knowledge base your agents read/write (loops), plus a codebase harness (dev-local stack, e2e gate, an isolated cloud box per agent via crabbox, and verify-before-ship) so loops can run, test, and ship code autonomously. Plus an SEO growth playbook distilled from two production…

not rated 1.3k +1 1mo ago A tokens not measured

fizz

89

pashov/skills

Skill Claude CodeCodex

Generate Echidna/Medusa-compatible Solidity fuzz suites from Foundry or Hardhat projects. Trigger on "fizz", "generate fuzz suite", "build fuzz harness", "stateful fuzzing", "fuzzing harness", "property testing", and "invariant suite".

not rated 1.3k +9 16d ago A SkillSpector: warn 60 tokens original MIT

reticle

90

reticlehq/reticle

Skill Claude CodeCodex

Reticle is the proof layer for AI coding agents. A dev-only SDK inside the user's running app gives you reticle MCP tools that read the DOM, network, routing, console and framework state. You act on the real app and get a verdict: yes, no, or unknown (could not tell), with evidence and the file:line to open. No…

not rated 1.2k +64 changed 5d ago A 0 tokens

vulnhunter-fix

91

capitalone/VulnHunter

Skill Claude CodeCodex

Automate vulnerability remediation from VulnHunter scan results using TDD. Parses VulnHunter findings, writes exploit demos proving each vulnerability, writes security tests that define correct behavior (RED), implements fixes to pass those tests (GREEN), and delivers via PR or fallback GitHub issue. Each PR includes…

not rated 1.2k +12 1mo ago A SkillSpector: warn 135 tokens original Apache-2.0

test-strategy

92

kinopeee/cursorrules

Cursor rule Cursor

Rules for designing and implementing software tests, including normal cases, failures, invalid inputs, and boundary values. Boundary values are inputs at or just beyond limits, such as zero, empty values, or maximum values.

not rated 1.1k 10mo ago A 1,653 tokens original MIT

roborazzi

93

takahirom/roborazzi

Skill Claude CodeCodex

Use when working with Roborazzi screenshot tests on Android/JVM — setting up the Roborazzi Gradle plugin, running record/compare/verify tasks, writing tests with captureRoboImage or RoborazziRule, Compose Preview screenshot testing (ComposablePreviewScanner), Compose Multiplatform (iOS/desktop) screenshots, AI-powered…

not rated 1.1k +5 yesterday A SkillSpector: pass 95 tokens original Apache-2.0

ui-automation

94

MGdaasLab/WHartTest

Skill Claude CodeCodex

A tool for managing browser-based tests in the WHartTest testing platform, including pages, page elements, steps, and test cases.

not rated 1.1k +18 changed 3d ago A 96 tokens

harden

95

SterlingChin/marvin-template

Skill Claude CodeCodex

Audit a software project for hardening — security, AI gaps, test coverage, code quality, and decoupling. Use when user wants to harden a project, audit for vulnerabilities, check test coverage, or separate private data from code.

not rated 1.0k +1 2mo ago A SkillSpector: pass 52 tokens original MIT

verify

96

meursyphus/ssgoi

Skill Claude Code

Build/launch/drive recipe for verifying apps/docs changes at runtime (demos, docs pages, llms.txt).

not rated 1.0k +2 3d ago A SkillSpector: pass 26 tokens original MIT

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