Tells Claude to write native Python Playwright scripts and use scripts/with_server.py to manage server lifecycle, with a decision tree for static vs dynamic apps.
O que ela faz
Onde webapp-testing roda e o que acrescenta, segundo a documentação
Writes Playwright scripts against local web apps
Manages one or more dev servers via with_server.py
Captures browser screenshots and console logs
Uses a decision tree: static HTML vs running dynamic app
Quando usar
Boa adequação
Verifying a frontend change in a real browser
Debugging UI behaviour locally
Não indicado para
Testing remote or production sites you do not own
Como instalar o webapp-testing
Você precisa de: Python; Playwright
Register the marketplace in Claude Code: /plugin marketplace add anthropics/skills
Install the bundle that contains it (document-skills or example-skills): /plugin install example-skills@anthropic-agent-skills
Or copy the skill folder to ~/.claude/skills/webapp-testing/ (personal) or .claude/skills/webapp-testing/ (project)
Mention the task in a prompt; Claude loads the skill automatically when the SKILL.md description matches
Permissões e segurança
A que ela tem acesso
Instructions loaded into Claude's context; any scripts it bundles run through Claude Code's normal tool permissions (shell, file edits)
Notas de segurança dos mantenedores
Anthropic repo disclaimer: skills are provided for demonstration and educational purposes; behavior in Claude may differ
Revise a fonte antes de conceder ao agente acesso a credenciais ou sistemas de produção. Documentamos o que os mantenedores informam; não auditamos o código.
Limitações
Repo README says implementations are examples and may differ from what Claude.ai provides
Ferramenta de programação agêntica da Anthropic que lê sua base de código, edita arquivos e executa comandos pelo terminal, por IDEs, pelo app desktop ou pelo navegador.
O plano gratuito termina em: Não há plano gratuito: o Claude Code está incluído nas assinaturas pagas do Claude (Pro, Max, Team, Enterpris…
How do I install the webapp-testing skill in Claude Code?
Add the marketplace with /plugin marketplace add anthropics/skills and install the bundle containing it, or copy skills/webapp-testing into ~/.claude/skills/. fonte
When does Claude use the webapp-testing skill?
Claude loads it automatically when the request matches the description field in its SKILL.md frontmatter. fonte
Is the webapp-testing skill official?
Yes, it is published in Anthropic's anthropics/skills repository. fonte
