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.

verify-backup-verdict

865

EtanHey/brainlayer

Skill Claude CodeCodex

Model-check BrainLayer's backup → snapshot → VACUUM → BrainBar-dot logic with TLA+. Use before merging any change to src/brainlayer/healthverdict.py, backupdaily.py receipts, maintenance.py's weekly VACUUM gate, maintenancecalendar.py's lastweekly, or jobalerts.py, or when someone asks whether the dot can be falsely…

not rated 9 changed today A 91 tokens original Apache-2.0

science-integrity

866

leventilo/mobius

Skill Claude CodeCodex

Parallel critic agent that enforces physical invariants on Mobius SimSpecs and simulation outputs. Runs five bundled deterministic checks — units, CFL stability, conservation laws, figure-diff, and claim-match — and blocks or warns upstream generators. Use whenever a SimSpec or simulation artifact is produced.

not rated 8 6mo ago A 62 tokens original MIT

prkharueh12/playwright-cli-custom-agents

Agent Claude Code

Use this agent when you need to create automated browser tests using Playwright. Examples: Context: User wants to test a login flow on their web application. user: 'I need a test that logs into my app at localhost:3000 with username [email protected] and password 123456, then verifies the dashboard page loads' assistant…

not rated 8 4mo ago A 216 tokens

shaft-mcp

868

ShaftHQ/SHAFT_MCP

MCP server Claude CodeCodexCursor +2

MCP server "shaft-mcp" as configured in ShaftHQ/SHAFTMCP. Runs in Docker (ghcr.io/shafthq/shaft-mcp:9.4.20251116).

not rated 8 4mo ago A tokens not measured original MIT archived

skillci

869

kabirnarang39/skillci

Plugin Claude Code

Bundles 5 skills · 212 tokens together

Lint, eval, and regression-test Claude Skills against a model matrix. Installs skillci-guardrails, which auto-verifies any SKILL.md an agent creates or edits with skillci check/eval before treating the change as done.

not rated 8 2mo ago A tokens not measured original Apache-2.0

aiopshwang/verify-regression-tests

Skill Codex

Verify that a regression test actually detects the defect it claims to guard against. Use after adding or reviewing a bug-fix guard, reproducing the original failure after a fix, or investigating a suspiciously green regression test. Do not use for general TDD, broad test-suite audits, mutation-score optimization…

not rated 8 2mo ago A 75 tokens original MIT

validate-artifact

873

forthends/clockwork

Skill Claude CodeCodex

A checking procedure for work products such as project documents. It checks that required sections exist, contain real content, and point to files or references that actually exist.

not rated 8 26d ago A 0 tokens original MIT

msbaek-tdd

874

msbaek/msbaek-claude-plugins

Plugin Claude Code

Bundles 28 skills, 10 agents, 2 hooks · 4,234 tokens together

Java + Spring Boot TDD workflow plugin with requirements input drafting, RGB cycle, feature-level autonomous implementation, Cucumber acceptance testing, local tidying, system-wide refactoring, and 18 optional refactoring skills. Plan phase and Web App acceptance/skeleton setup now delegate to dedicated agents instead.

not rated 8 changed 12d ago A tokens not measured original MIT

kosh

875

a8cteam51/kosh

Plugin Claude Code

Bundles 5 skills, 2 hooks · 106 tokens together

Testing system for WordPress sites — functional, performance, accessibility, shop, and AEO tests via Playwright MCP.

not rated 8 changed 9d ago A tokens not measured GPL-3.0

development-process

876

vepo/issues

Cursor rule Cursor

Mandatory agentic development process — feature analysis, architecture design, task break, approval, TDD.

not rated 8 3mo ago A 3,938 tokens original Apache-2.0

EmptyRabbit/testcase-generator-mcp

MCP server Claude CodeCodexCursor +2

Testcase Generator MCP Server for generating and managing test cases. Runs locally from the testcase-generator-mcp Python package.

not rated 8 7mo ago A tokens not measured original MIT

testing-with-pitlane

878

pitlane-ai/pitlane

Skill Claude CodeCodex

Design and create pitlane eval benchmarks that measure whether an AI coding skill or MCP server actually improves assistant performance. Use when the user wants to test a skill, evaluate an MCP server, create a pitlane eval YAML, benchmark an AI assistant, or compare baseline vs challenger configurations. Covers eval…

not rated 8 4mo ago A 76 tokens

lucius-mcp

879

ivanostanin/lucius-mcp

MCP server Claude CodeCodexCursor +2

Allure TestOps MCP Server. Runs locally from the lucius-mcp Python package. Needs 3 environment variables to run.

not rated 8 +1 3d ago A tokens not measured original Apache-2.0

mcp

880

emailens/mcp

MCP server Claude CodeCodexCursor +2

Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients. Runs locally from the @emailens/mcp npm package. Needs 1 environment variable to run.

not rated 8 10d ago A tokens not measured original MIT

adr-003

881

actual-software/actual-cli

Cursor rule Cursor

Architecture questions, answered from your ADRs.

not rated 8 today A 0 tokens original MIT

scv

882

wookiya1364/scv-claude-code

Plugin Claude Code

Bundles 21 skills, 1 agent, 6 hooks · 1,926 tokens together

SCV (Standard · Cowork · Verify) — Claude Code plugin for team workflows. Every change becomes a plan + tests before merging, and those tests accumulate into a self-running regression suite. Built-in Slack/Discord reporting and supersedes-based test obsolescence. Run /scv:help to start.

not rated 8 changed today A tokens not measured original MIT

julia-repl

883

seabbs/claude

Skill Claude CodeCodex

Evaluate Julia through the warm AgentREPL MCP session rather than julia -e, hot-reload edits with Revise, and filter TestItemRunner suites while iterating. Use for any Julia evaluation, package iteration, or test run, and to decide when a fresh process is needed instead.

not rated 8 +1 5d ago A 65 tokens

chuk-mcp-ios

885

chrishayuk/chuk-mcp-ios-simulator

MCP server Claude CodeCodexCursor +2

iOS Device Control MCP Server - Comprehensive iOS automation and testing. Runs locally from the chuk-mcp-ios Python package.

not rated 8 1y ago A tokens not measured

verify-before-code

886

Morningstar202604/AgentSeed

Skill Claude CodeCodex

Guardrail for coding agents. Loads the SDD contract and the prompt pool before code is written, then calls the agentseed MCP server's verifycode and scanhallucination tools; a task may only be marked complete when both pass and the completion report attaches evidence. Use whenever the agent writes, edits, or claims…

not rated 8 changed 2mo ago A 73 tokens

quality-playbook

888

FluxonLab/Skillry

Skill Claude CodeCodex

Explore any codebase from scratch and generate six quality artifacts: a quality constitution (QUALITY.md), spec-traced functional tests, a code review protocol with regression test generation, an integration testing protocol, a multi-model spec audit (Council of Three), and an AI bootstrap file (AGENTS.md). Includes…

not rated 8 +1 yesterday A 189 tokens

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: