Testing

20,069 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.

hermes-bench

697

vcruz305/hermes-agentic-bench

Skill Claude CodeCodex

Run hermes-agentic-bench's agentic tool-use test battery against a model and report results.

not rated 15 2mo ago A 26 tokens original MIT

coding

698

liustack/vibemaster

Skill Claude CodeCodex

Development discipline from plan to green. New behaviour and known-cause fixes go red-green-refactor with the failing test watched red first, pure refactors go green-to-green with no manufactured red, and how-should-I-write-this questions get verified against current sources before answering. Use when the user says…

not rated 15 +1 2mo ago A 145 tokens original MIT

polygraph

699

cognitive-fab/polygraph

Plugin Claude Code

Bundles 6 skills, 5 commands, 4 agents, 1 plugin · 518 tokens together

A polygraph for your state machine. The agent does the hard part for you: it instruments your code, builds any test doubles needed to run it, and captures real execution traces — then has an LLM derive a transition-function spec from the source (default: a SAM v2 strict-profile module with named…

not rated 15 1mo ago A tokens not measured original Apache-2.0

bug-hunting

700

m4vic/bug-hunting

Skill Claude CodeCodex

Bug bounty hunting and penetration testing skills for Claude, Codex, and other agentic AI tools.

not rated 15 +1 2mo ago A 24 tokens original MIT

zendesk-local

701

fruggr/zendesk-mcp-server

MCP server Claude CodeCodexCursor +2

One of 3 in .mcp.json

MCP server "zendesk-local" as configured in fruggr/zendesk-mcp-server. Launched with pnpm exec tsx src/index.ts --mode all --dev --namespace all. Needs 1 environment variable to run.

not rated 15 +1 changed 3d ago A tokens not measured original MIT

jest-testing-expert

702

duck4nh/antigravity-kit

Skill Claude CodeCodex

Expert in Jest testing framework, advanced mocking strategies, snapshot testing, async patterns, TypeScript integration, and performance optimization.

not rated 15 9mo ago A 28 tokens fork

skill-creator

703

tae0y/python-project-template

Skill Claude Code

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

not rated 15 3mo ago A 64 tokens

cockpit

704

cockpit-dev/cockpit

Cursor rule Cursor

Use only when the user explicitly asks to use Cockpit or work on Cockpit itself.

not rated 15 10d ago A 18 tokens original MIT

testing-helper

705

xun404/dify-agent-skill-plugin

Skill Claude CodeCodex

Generates unit tests, integration tests, and test strategies. Use for test creation, mocking, and coverage improvement.

not rated 14 2mo ago A 26 tokens

appium-python-expert

707

jmr85/e2e-agent-skills

Skill Claude CodeCodex

Specialist skill for mobile E2E testing with Appium 2.x + Python (pytest) for Android and iOS. Use this skill whenever the user asks about: setting up Appium with Python, writing mobile test cases, configuring Android/iOS drivers (UIAutomator2, XCUITest), implementing Page Object Model for mobile, running tests with…

not rated 14 4mo ago A 158 tokens original MIT

api-testing

708

laragentic/agents

Skill Claude CodeCodex

Comprehensive API testing, validation, and test suite generation.

not rated 14 7mo ago A 14 tokens

NoesisVision/nasde-toolkit

Skill Claude Code

Run coding agent benchmarks and verify results with nasde. Use this skill when the user wants to: Run a benchmark (all tasks, single task, specific variant) Re-run assessment evaluation on existing trial results Check or verify results in Opik (traces, feedback scores, experiments) Troubleshoot a failed benchmark run…

not rated 14 changed 24d ago A SkillSpector: warn 139 tokens original MIT

antrieb

710

jade-pico/antrieb-mcp-server

MCP server Claude CodeCodexCursor +2

Validates AI infra code on real VMs. Self-corrects until it works. No containers, no sandboxes. Remote server at antrieb.sh.

not rated 14 6mo ago A tokens not measured original Apache-2.0

verify-cli

711

NimbleBrainInc/mpak

Skill Claude Code

Run smoke tests against the mpak CLI to verify all commands work correctly before publishing a new release.

not rated 14 1mo ago A 23 tokens

saleem-daqa/qa-test-case-generation

Skill Codex

Use when generating manual QA test cases from requirements, BRDs, user stories, acceptance criteria, spreadsheets, live mockup/prototype URLs, uploaded mockups, screenshots, wireframes, or existing test case templates; especially when coverage, deduplication, traceability, validations, permissions, workflows, or edge…

not rated 14 +1 5mo ago A 70 tokens original MIT

e2e-acceptance

714

Justinmendezai/The-Adam-Repo

Skill Claude CodeCodex

Final end-to-end acceptance pass after all slices are merged: full tests-first suite, Playwright CLI when the packet defines e2e, extra verification.layers commands (API/integration/contract), code-review-graph integrity, and browser MCP walks for UI success criteria — without using Playwright for backend depth. Use…

not rated 14 2mo ago A SkillSpector: pass 87 tokens original Apache-2.0

android-testing-ui

715

krutikJain/android-agent-skills

Skill Codex

Validate Android UI behavior with Compose UI tests, Espresso-style checks, screenshot assertions, and accessibility verification.

not rated 14 7mo ago A 24 tokens original MIT

MadAppGang/magus

Skill Claude CodeCodex

Verify, screenshot, AND drive a native macOS app on the same machine the user is actively working on, WITHOUT stealing their mouse, keyboard, or window focus. Use this whenever you need to screenshot, inspect, click through, or confirm the behavior of a running Mac app (Swift/SwiftUI, Electron, AppKit, a dev build, a…

not rated 14 today A SkillSpector: pass 200 tokens original MIT

issue-workflow

717

vchelaru/XnaFiddle

Cursor rule Cursor

GitHub issue workflow and mandatory manual-test handoff for UI/behavior changes.

not rated 14 14d ago A 399 tokens original MIT

abicheck/abicheck

Skill Claude CodeCodex

Set up automated ABI compatibility checking for a C/C++ shared library in a GitHub repository's GitHub Actions CI. Use when asked to add, enable, integrate, or configure ABI checking or a breaking-change gate in GitHub Actions, to onboard a native library project onto continuous compatibility checking, to make pull…

not rated 14 changed yesterday A 142 tokens original Apache-2.0

fix-failing-tests

719

KnoxOps/agent-runbook

Skill Claude Code

Iteratively fix all failing tests until the test suite is green.

not rated 13 3mo ago A 17 tokens original Apache-2.0

harness-anchor

720

Redtropig/harness-anchor

Plugin Claude Code

Bundles 14 skills, 9 commands, 5 agents, 5 hooks · 1,355 tokens together

Warn-only, zero-dependency runtime harness layer for Claude Code (companion to superpowers): persistent state, scope control (prompt + action side), Default-FAIL verification & coverage gates, entropy governance (golden-rules + drift detection), and first-class C/C++ engineering (CMake/Meson/Make/Bazel + clang-tidy +…

not rated 13 3mo ago A tokens not measured original MIT

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: