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Browser automation with Python Playwright. Use for screenshots, web scraping, form filling, and visual verification of web apps.
Instalar com Codex ou Claude Copie este prompt, cole no Codex, Claude ou outro assistente e deixe que ele revise a página da skill e instale para você.
Baseado na classificação ocupacional SOC
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MANDATORY final step. Validates task completion through testing and QA before allowing stop.
Track tasks for the current work session. Use this to break down work into steps and track progress. ALWAYS use this when starting a new task - add items first, then mark them done as you complete them.
| name | browser |
| description | Browser automation with Python Playwright. Use for screenshots, web scraping, form filling, and visual verification of web apps. |
Use Python Playwright for browser automation. Chromium is pre-installed.
python3 -c "
from playwright.sync_api import sync_playwright
with sync_playwright() as p:
browser = p.chromium.launch(headless=True)
page = browser.new_page(viewport={'width': 1280, 'height': 720})
page.goto('https://example.com', wait_until='networkidle', timeout=30000)
page.screenshot(path='screenshot.png')
browser.close()
print('Screenshot saved to screenshot.png')
"
python3 -c "
from playwright.sync_api import sync_playwright
with sync_playwright() as p:
browser = p.chromium.launch(headless=True)
page = browser.new_page(viewport={'width': 1280, 'height': 720})
page.goto('http://localhost:8000', wait_until='networkidle', timeout=30000)
page.screenshot(path='app_screenshot.png', full_page=True)
browser.close()
print('Screenshot saved to app_screenshot.png')
"
python3 -c "
from playwright.sync_api import sync_playwright
with sync_playwright() as p:
browser = p.chromium.launch(headless=True)
page = browser.new_page()
page.goto('https://example.com', wait_until='networkidle')
text = page.inner_text('body')
print(text)
browser.close()
"
python3 -c "
from playwright.sync_api import sync_playwright
with sync_playwright() as p:
browser = p.chromium.launch(headless=True)
page = browser.new_page()
page.goto('https://example.com/login')
page.fill('input[name=\"username\"]', 'myuser')
page.fill('input[name=\"password\"]', 'mypass')
page.click('button[type=\"submit\"]')
page.wait_for_load_state('networkidle')
page.screenshot(path='after_login.png')
browser.close()
"
python3 -c "
from playwright.sync_api import sync_playwright
with sync_playwright() as p:
browser = p.chromium.launch(headless=True)
page = browser.new_page()
page.goto('https://example.com')
page.click('a:has-text(\"More information\")')
page.wait_for_load_state('networkidle')
print('Navigated to:', page.url)
page.screenshot(path='after_click.png')
browser.close()
"
| Need | Use |
|---|---|
| Search the web | /websearch (faster, no browser) |
| Download a URL | /fetch |
| Interact with a page | /browser (this skill) |
| Take screenshots | /browser (this skill) |
| Analyze an image | /vision |
| Selector | Description |
|---|---|
#id | Element by ID |
.class | Element by class |
button | Element by tag |
[name="field"] | Element by attribute |
a:has-text("Click") | Link with text |
input[type="submit"] | Input by type |
form >> input | Nested element |
headless=True - No physical display availableviewport={'width': 1280, 'height': 720}wait_until='networkidle' to wait for page to fully loadfull_page=True in screenshot() for long pagesAfter taking a screenshot, use /vision to analyze it:
# Take screenshot
python3 -c "
from playwright.sync_api import sync_playwright
with sync_playwright() as p:
browser = p.chromium.launch(headless=True)
page = browser.new_page(viewport={'width': 1280, 'height': 720})
page.goto('http://localhost:8000', wait_until='networkidle')
page.screenshot(path='page.png')
browser.close()
"
# Analyze with vision
~/.claude/skills/vision/vision.sh analyze page.png "describe what you see"
If browser fails to launch:
# Check Xvfb is running
pgrep Xvfb
# Check DISPLAY is set
echo $DISPLAY # Should be :99
# Test Playwright
python3 -c "from playwright.sync_api import sync_playwright; print('OK')"