webapp-testing

A toolkit for testing local web applications with Playwright, a browser-automation tool. It can interact with pages, inspect browser logs, debug interface behavior, and capture screenshots.

In plain words
What is it for?
Use it to test frontend features, reproduce UI problems, inspect browser output, and save screenshots of local web apps.
Why use it?
It helps verify what a web interface actually does and investigate failures in the browser.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/podbay-cloud/podbay/webapp-testing
Any agent
npx skills add Podbay-Cloud/podbay --skill webapp-testing
Clone the repo
git clone --depth 1 https://github.com/Podbay-Cloud/podbay

Made for: Claude Code, Codex.

Per session 35 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,310 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. Scan, not verified.
Origin unknown 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 $0.00035 $0.01310
Opus 5 $0.00017 $0.00655
Sonnet 5 $0.00007 $0.00262
Haiku 4.5 $0.00003 $0.00131

Measured 2d ago against content hash 0b3afe358bfd, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

webapp-testing scanned grade B with 1 finding 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 2d ago.

The scan reads SKILL.md. This mod also ships 4 executable files (examples/console_logging.py, examples/element_discovery.py, examples/static_html_automation.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

update the pod. Do **not** `sudo apt` your way around it.
environments/_shared/web-app/.claude/skills/webapp-testing/SKILL.md · 118 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

What ships with it

6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 2d ago First seen · 118 lines · 35 tokens per session scan B 0b3afe358bfd

Subscribe to this mod's changes

webapp-testing is a skill published in the GitHub repository Podbay-Cloud/podbay (5 stars, last pushed 2d ago), with no licence file. It adds 35 tokens to every session and 1,310 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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