Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/rightnow-ai/openfang/browsernpx skills add RightNow-AI/openfang --skill browsergit clone --depth 1 https://github.com/RightNow-AI/openfangWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/rightnow-ai/openfang/browser)<a href="https://agentmods.dev/skills/rightnow-ai/openfang/browser"><img src="https://agentmods.dev/badge/skills/rightnow-ai/openfang/browser.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00014 | $0.00990 |
| Opus 5 | $0.00007 | $0.00495 |
| Sonnet 5 | $0.00003 | $0.00198 |
| Haiku 4.5 | $0.00001 | $0.00099 |
Grade A, and why
browser-automation scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 125 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Browser Automation Skill
Playwright CSS Selector Reference
Basic Selectors
| 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 |
Form Selectors
| 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 |
Navigation Selectors
| 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 |
E-commerce Selectors
| 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 |
Common Workflows
Product Search & Purchase
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)
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 4d ago First seen · 125 lines · 14 tokens per session scan A f78478c0fcdc
browser-automation is a skill published in the GitHub repository RightNow-AI/openfang (18,162 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 14 tokens to every session and 990 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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