Automate website searches, logins, form entry, and price comparisons using Playwright, a browser automation tool. Provides workflows for locating page elements, checking results, and recovering from navigation errors or missing elements.
Playwright-based browser automation patterns for autonomous web interaction
Review the instructions the agent will receive before you install.
| Selector | Description | Example |
|---|---|---|
#id | By ID | #checkout-btn |
.class | By class | .add-to-cart |
tag | By element | button, input |
[attr=val] | By attribute | [data-testid="submit"] |
tag.class | Combined | button.primary |
| Selector | Use Case |
|---|---|
input[type="email"] | Email fields |
input[type="password"] | Password fields |
input[type="search"] | Search boxes |
input[name="q"] | Google/search query |
textarea | Multi-line text areas |
select[name="country"] | Dropdown menus |
input[type="checkbox"] | Checkboxes |
input[type="radio"] | Radio buttons |
button[type="submit"] | Submit buttons |
| Selector | Use Case |
|---|---|
a[href*="cart"] | Cart links |
a[href*="checkout"] | Checkout links |
a[href*="login"] | Login links |
nav a | Navigation menu links |
.breadcrumb a | Breadcrumb links |
[role="navigation"] a | ARIA nav links |
| Selector | Use Case |
|---|---|
.product-price, [data-price] | Product prices |
.add-to-cart, #add-to-cart | Add to cart buttons |
.cart-total, .order-total | Cart total |
.quantity, input[name="quantity"] | Quantity selectors |
.checkout-btn, #checkout | Checkout buttons |
1. browser_navigate → store homepage
2. browser_type → search box with product name
3. browser_click → search button or press Enter
4. browser_read_page → scan results
5. browser_click → desired product
6. browser_read_page → verify product details & price
7. browser_click → "Add to Cart"
8. browser_navigate → cart page
9. browser_read_page → verify cart contents & total
10. STOP → Report to user, wait for approval
11. browser_click → "Proceed to Checkout" (only after approval)
1. browser_navigate → login page
2. browser_type → email/username field
3. browser_type → password field
4. browser_click → login/submit button
5. browser_read_page → verify successful login
1. browser_navigate → form page
2. browser_read_page → understand form structure
3. browser_type → fill each field sequentially
4. browser_click → checkboxes/radio buttons as needed
5. browser_screenshot → visual verification before submit
6. browser_click → submit button
7. browser_read_page → verify confirmation
1. For each store:
a. browser_navigate → store URL
b. browser_type → search query
c. browser_read_page → extract prices
d. memory_store → save price data
2. memory_recall → compare all prices
3. Report findings to user
| Error | Recovery |
|---|---|
| Element not found | Try alternative selector, use visible text, scroll page |
| Page timeout | Retry navigation, check URL |
| Login required | Inform user, ask for credentials |
| CAPTCHA | Cannot solve — inform user |
| Pop-up/modal | Click dismiss/close button first |
| Cookie consent | Click "Accept" or dismiss banner |
| Rate limited | Wait 30s, retry |
| Wrong page | Use browser_read_page to verify, navigate back |
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