A natural-language end-to-end testing framework that runs browser tests automatically through the agent-browser command-line tool. Tests are written as scenarios, with a person able to take over when needed.

Use it to test flows such as opening pages, filling forms, and completing actions in a browser.

It reduces the manual work of checking complete user journeys in a browser. Scenario files also make those checks repeatable.

e2e-testing — Plugin for Claude Code by rungchan2/frontend-skills

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo

git clone --depth 1 https://github.com/rungchan2/frontend-skills

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/plugins/rungchan2/frontend-skills/e2e-testing/github.svg)](https://agentmods.dev/plugins/rungchan2/frontend-skills/e2e-testing)

Your own site

<a href="https://agentmods.dev/plugins/rungchan2/frontend-skills/e2e-testing"><img src="https://agentmods.dev/badge/plugins/rungchan2/frontend-skills/e2e-testing/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/plugins/rungchan2/frontend-skills/e2e-testing"><img src="https://agentmods.dev/badge/plugins/rungchan2/frontend-skills/e2e-testing.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session not measured What this adds to a session before it is invoked.

When invoked not measured The manifest loads nothing itself; its 1 skill, 2 commands, 1 agent cost 190 tokens a session between them.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Security

Grade A, and why

e2e-testing scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/e2e-testing/.claude-plugin/plugin.json · 7 lines

What it actually says

{
  "name": "e2e-testing",
  "description": "자연어 E2E 테스트 프레임워크. agent-browser CLI로 브라우저 테스트를 자동 실행. 시나리오 파일 기반, human-in-the-loop 지원.",
  "version": "1.0.0",
  "author": { "name": "Heechan" }
}

Contents

What it installs

The manifest is a name and a version. 1 skill, 2 commands, 1 agent travel with it, and installing the plugin installs all of them — 190 tokens a session between them. Each is measured on its own page, and each can be installed alone.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

1mo ago First seen · 7 lines scan A 290ebde21a9e

Subscribe to this mod's changes

e2e-testing is a plugin published in the GitHub repository rungchan2/frontend-skills (2 stars, last pushed 5mo ago), licensed Apache-2.0. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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