webapp-testing

webapp-testing is a skill for Claude Code, Codex from SkiTemplar/ultron-control-center. It costs 13 tokens per session (191 once invoked), scanned A, original, MIT.

A skill for testing local web applications with Playwright, a tool that controls a web browser in automated tests. It can check frontend behavior, browser logs, and screenshots.

In plain words
What is it for?
Use it to open a local web app, exercise a user flow, inspect logs, capture screenshots, and report whether the test passed or failed.
Why use it?
It provides evidence that a web app flow works and helps reveal interface bugs or browser errors. The supplied template does not define a complete testing procedure.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: reads .claude/ paths.

Good fit Use it to open a local web app, exercise a user flow, inspect logs, capture screenshots, and report whether the test passed or failed.

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Install with agentmods
npx agentmods add skills/skitemplar/ultron-control-center/webapp-testing
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.

Any agent
npx skills add SkiTemplar/ultron-control-center --skill webapp-testing
Clone the repo
git clone --depth 1 https://github.com/SkiTemplar/ultron-control-center

Made for: Claude Code, Codex.

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.

agentmods badge for webapp-testing

README.md
[![agentmods](https://agentmods.dev/badge/skills/skitemplar/ultron-control-center/webapp-testing.svg)](https://agentmods.dev/skills/skitemplar/ultron-control-center/webapp-testing)
Your own site
<a href="https://agentmods.dev/skills/skitemplar/ultron-control-center/webapp-testing"><img src="https://agentmods.dev/badge/skills/skitemplar/ultron-control-center/webapp-testing.svg" alt="Measured on agentmods" height="20"></a>
Per session 13 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 191 The whole file, excluding the scripts and references it only reads on demand.
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.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00013 $0.00191
Opus 5 $0.00006 $0.00096
Sonnet 5 $0.00003 $0.00038
Haiku 4.5 $0.00001 $0.00019

Measured 7d ago against content hash dcbf1b2d7f17, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

webapp-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 7d 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/webapp-testing/SKILL.md · 25 lines

What it actually says

Webapp-Testing — ULTRON Skill

This is a starter template for the webapp-testing skill. Edit freely.

When to use

(Describe the triggers this skill should match. Activate for interacting with and testing local web applications using Playwright — verifying frontend functionality, debugging UI behavior, capturing screenshots, or inspecting browser logs.)

Workflow

  1. (First step — launch Playwright and navigate to the local app URL.)
  2. (Second step — exercise the flow under test; capture evidence.)
  3. (Final output expectation — pass/fail report with screenshots + logs.)

Customize

This file lives at ~/.claude/skills/webapp-testing/SKILL.md. Modify it to fit your workflow. The installer's manifest entry points here via repo://skills/webapp-testing.

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.

  1. 7d ago First seen · 25 lines · 13 tokens per session scan A dcbf1b2d7f17

Subscribe to this mod's changes

webapp-testing is a skill published in the GitHub repository SkiTemplar/ultron-control-center (1 stars, last pushed today), licensed MIT. It adds 13 tokens to every session and 191 once invoked, about $0.0001 per session on Opus 5. 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.

Related

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