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.

mnvsk97/agentbreak

Skill Codex

Orchestrates end-to-end resilience testing for LLM agents with AgentBreak, including LLM infrastructure failures, prompt injection, agent skill supply-chain risk, guardrail verification, and MCP server/tool failures. Use when the user asks to "test my agent for resilience", "chaos test this agent", "find failure modes…

not rated 20 5mo ago A 97 tokens original MIT

selenium

603

abarrac/mcp-selenium

MCP server Claude CodeCodexCursor +2

MCP server "selenium" as configured in abarrac/mcp-selenium. Launched with java -jar ~/.mcp-selenium/mcp-selenium.jar. Needs 3 environment variables to run.

not rated 20 1y ago A tokens not measured original MIT

unity-coding-skills

604

nowsprinting/unity-coding-skills

Plugin Claude Code

Bundles 10 skills, 3 agents · 1,135 tokens together

Skills and subagents for developing Unity projects with Claude Code — maintainable test design and implementation, test-first workflow, coding guidelines, scene editing, and more.

not rated 20 changed 23d ago A tokens not measured original Unlicense

build-tdd

605

sam-agents/sam

Command Claude Code

SAM Build-TDD Workflow - Implements a single user story using RED-GREEN-REFACTOR with conditional UI/CSS/A11y/Security review.

not rated 20 3mo ago A 35 tokens original MIT

verify

606

corveil/crow

Skill Claude Code

Drive CrowTelemetry's OTLP ingest end-to-end — boot the real receiver, POST OTLP JSON with curl, inspect the SQLite db.

not rated 20 3d ago A SkillSpector: warn 30 tokens original Apache-2.0

cad-verification

607

rishigundakaram/cadquery-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server "cad-verification" as configured in rishigundakaram/cadquery-mcp-server. Launched with /Users/rishigundakaram/.pyenv/shims/uv --directory /Users/rishigundakaram/Deskto.

not rated 20 1y ago A tokens not measured

orangepro

608

OrangeproAI/orangepro-mcp

Cursor rule Cursor

Guidelines for using the OrangePro MCP tools to find behavioral test gaps and generate grounded tests.

not rated 20 +1 changed today A 439 tokens original MIT

epic

609

epicsagas/epic-harness

Plugin Claude Code

Bundles 27 skills · 997 tokens together

3 commands + 25 auto-trigger skills + self-evolving agent harness. Less to remember, more automation.

not rated 20 +2 changed 5d ago A tokens not measured original Apache-2.0

superpowers-mcp

610

erophames/superpowers-mcp

MCP server Claude CodeCodexCursor +2

Superpowers skills library (TDD, debugging, collaboration workflows) as an MCP server for VSCode and Antigravity. Runs locally from the superpowers-mcp npm package.

not rated 20 +2 7mo ago A tokens not measured

relentless-tester

611

readysettech/rdst

Skill Claude Code needs its repo

Autonomous QA tester that systematically tests every rdst command via tmux harness, applies a quality rubric, and files bugs in beads.

not rated 20 changed 2mo ago A SkillSpector: warn 32 tokens original Apache-2.0

playground-verifier

613

pluginslab/wp-agentic-kit

Agent Claude Code

Boots the plugin in an ephemeral WordPress Playground instance and verifies it actually runs — activation, REST routes, admin screens, deactivation, uninstall. Reports findings; never modifies the working tree. Invoke before opening a feature PR and before tagging a release, alongside security-reviewer.

not rated 20 1mo ago A 61 tokens original MIT

meshtastic-e2e

614

meshtastic/meshtastic-mcp

Skill Claude CodeCodex

Closed-loop end-to-end testing of a Meshtastic device and a Meshtastic app (Android, Apple, or the Compose desktop app) together. Use when validating that an action on the radio (send a text, change config, a node beacon, a power-cycle) surfaces correctly in the app UI, or that an action in the app produces the…

not rated 20 +1 2d ago A 150 tokens GPL-3.0

lucidshark

615

toniantunovi/lucidshark

MCP server Claude CodeCodexCursor +2

Unified code quality and security scanner for AI-assisted development: lint, types, SAST, SCA, tests, coverage. Runs locally from the lucidshark Python package.

not rated 20 +1 yesterday A Socket: warn tokens not measured original Apache-2.0

add

617

pilotspace/ADD

Skill Claude Code

Use this skill when the user wants AI work they can trust without watching every step: the AI fixes direction first (rules, assumptions, failing checks sealed in git), builds to green, then proves the result with evidence for the human to review. Trigger when a repo has .add/, the user says "add", "/add", "start a…

not rated 19 changed 1mo ago A 188 tokens original MIT

write-mcp-eval

618

gleanwork/mcp-server-tester

Skill Claude CodeCodex

Write evals for MCP servers with @gleanwork/mcp-server-tester (MST). An eval gives a client and model the cases of a dataset (an input, what is expected, and assertions) and grades each trial's transcript. Run the cases in a Playwright test with runEvalDataset on the api client, or with mst run and an eval config that…

not rated 19 changed today A SkillSpector: warn 130 tokens original MIT

belt

619

jfrog/agent-belt

Skill Claude CodeCodex needs its repo

Operate the belt CLI to evaluate headless coding agents (Claude Code, Cursor, Codex, Gemini, and others) end to end. Use when the user asks to write or run eval scenarios, compare agents, score outputs with rules or LLM judges, register a new agent adapter, interpret reports or benchmark cards, or set up evals in CI.…

not rated 19 1mo ago A SkillSpector: pass 116 tokens original Apache-2.0

riwsky/iosef

Skill Claude CodeCodex needs its repo

Interaction with the iOS simulator using iosef, a CLI optimized for agent usage. Use when building or testing changes on the iOS Simulator — viewing the screen, tapping buttons, reading accessibility trees, finding elements by selector, asserting UI state, scripting multi-step test flows, installing and launching…

not rated 19 changed 1mo ago B SkillSpector: warn 107 tokens original MIT

e2e-runner

621

JSK9999/ai-nexus

Agent Claude Code needs its repo

End-to-end testing specialist using Playwright. Use PROACTIVELY for generating, maintaining, and running E2E tests. Manages test journeys, quarantines flaky tests, uploads artifacts (screenshots, videos, traces), and ensures critical user flows work.

not rated 19 8mo ago A 59 tokens original Apache-2.0

argos-cli

622

argos-ci/argos-javascript

Skill Claude CodeCodex

Operate Argos visual testing from the terminal with the argos CLI — list and inspect builds and snapshot diffs, download a build's screenshots or a project's latest baseline, submit reviews, request reviewers, post comments, inspect a test's flakiness and its recurring changes, ignore flaky test changes, configure a…

not rated 19 changed 18d ago A Socket: passSnyk: warnSkillSpector: warn 162 tokens original MIT

flow

623

cofin/flow

Plugin Claude Code

Bundles 10 skills, 6 agents · 792 tokens together

Unified toolkit for Context-Driven Development with spec-first planning, TDD workflow, and OKF knowledge bundles.

not rated 19 changed today A tokens not measured original Apache-2.0

test

624

mdlmarkham/TailOpsMCP

Command Claude Code

Run tests, identify issues, and generate coverage reports.

not rated 19 10mo ago A 11 tokens

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