webapp-testing

An agent skill by anthropics, from anthropics/skills. Tags: anthropic, debugging, developer-tools, web.

What it does

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.

Install

With the skills CLI, which installs into Claude Code, Codex, Cursor and other agents:

npx skills add anthropics/skills --skill webapp-testing

Or copy the skill folder into Claude Code's skills directory by hand (~/.claude/skills for every project, or .claude/skills inside one):

git clone --depth 1 https://github.com/anthropics/skills
cp -r skills/skills/webapp-testing ~/.claude/skills/webapp-testing

Safety box score

Not rated yet. A safety box score grades what a skill and its scripts can reach on the machine of whoever installs it, across eight categories from shell execution to secrets access. Anyone can request one from this page; it is saved for everyone. How the score works.

Source

Repository

anthropics/skills (all skills from this repository)

Path

skills/webapp-testing/SKILL.md

Branch

main

Updated

2026-09-19

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