# Webapp Testing (agent skill)

> Webapp Testing is an agent skill (a SKILL.md file) from anthropics/skills. Toolkit for interacting with and testing local web applications using Playwright. It works with Claude Code and has 179,945 GitHub stars across a repository of 9 listed skills. Install it by copying the skill folder into your agent's skills directory.

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. To test local web applications, write native Python Playwright scripts.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/anthropics/skills |
| Skill path | skills/webapp-testing/SKILL.md |
| Skill name | webapp-testing |
| GitHub stars | 179,945 |
| Installs on skills.sh | 170,937 |
| License | Apache-2.0 |
| Skills in repo | 9 |
| Plugin marketplace | anthropic-agent-skills |
| Official | yes |
| Works with | Claude Code |
| Category | Testing & QA |
| Last commit | Oct 5, 2026 |

## Add this skill

### Claude Code

```sh
/plugin marketplace add anthropics/skills
/plugin   # browse anthropic-agent-skills and install the plugin that contains webapp-testing
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/anthropics/skills.git
cp -r skills/skills/webapp-testing .agents/skills/webapp-testing   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/anthropics/skills.git
cp -r skills/skills/webapp-testing .cursor/skills/webapp-testing   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

skills.sh listing: https://www.skills.sh/anthropics/skills/webapp-testing

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Canonical page: https://appsgit.com/skills/anthropics-webapp-testing
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