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webapp-testing

Local webapp testing workflow using Python + Playwright: start servers, explore DOM, take screenshots, capture console logs, and verify user flows.

Skill by vadimcomanescu

IndexedMIT★ 25
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Install

Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/vadimcomanescu-webapp-testing

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Local webapp testing workflow using Python + Playwright: start servers, explore DOM, take screenshots, capture console logs, and verify user flows. Use when debugging UI behavior, validating frontend changes, or creating lightweight end-to-end checks for a local dev server.

Use cases: design, frontend, backend, testing

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
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Secrets
None asked for
Install scripts
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Runs as
Python package

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/webapp-testing

What's inside

Skill name
webapp-testing
Description
Local webapp testing workflow using Python + Playwright: start servers, explore DOM, take screenshots, capture console logs, and verify user flows. Use when debugging UI behavior, validating frontend changes, or creating lightweight end-to-end checks for a local dev server.
License
MIT
Instructions
27 lines in SKILL.md · view on GitHub

Before installing

  • Ships executable scripts

Files (6)

  • LICENSE.txt
  • SKILL.md
  • console_logging.py · assets/playwright-examples/
  • element_discovery.py · assets/playwright-examples/
  • static_html_automation.py · assets/playwright-examples/
  • with_server.py · scripts/

SKILL.md (first lines)

# Web App Testing (Playwright)

Prefer small, targeted Playwright scripts over heavyweight test suites when you need fast UI verification.

## Quick Start
1) Decide what you’re testing:
   - static HTML file (`file://…`) vs local dev server (`http://localhost:…`)
2) Recon first:
   - take a screenshot
   - list buttons/links/inputs
   - capture console logs
3) Then automate:
   - select stable locators
   - assert visible text and URL changes
   - keep timeouts explicit and minimal

## Helper: run a command with dev server(s)
Start one or more servers, wait for ports, run your Playwright script, then clean up:
```bash
python ~/.codex/skills/webapp-testing/scripts/with_server.py --server "npm run dev" --port 3000 -- python /tmp/ui_check.py
```

## Assets
- Playwright examples you can copy: `assets/playwright-examples/`

From vadimcomanescu/codex-skills, MIT.

More from vadimcomanescu/codex-skills

Signals

Stars
25
Forks
8
Open issues
2
Last commit (this folder)
Jan 19, 2026 (9 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
Repository
github.com/vadimcomanescu/codex-skills
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
GitHubgithub-graphql

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Cite this page

webapp-testing skill. Agent Mart. https://agentmart.dev/skills/vadimcomanescu-webapp-testing (last updated 2026-10-24)