cloud-browser-automation

cloud-browser-automation is a skill for Claude Code, Codex from kevinnft/ai-agent-skills. It costs 29 tokens per session (4,464 once invoked), scanned B, original, MIT.

A method for using hosted web browsers when normal web requests cannot access a site. These browsers can handle JavaScript-heavy pages, Cloudflare checks, and anti-bot protections.

In plain words
What is it for?
Opening dynamic websites, navigating multi-step pages, and extracting information after simpler fetching methods fail.
Why use it?
It provides a fallback when a page is blocked, empty, or dependent on browser behavior that local tools cannot reproduce.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions subagents.

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is python3 /tmp/scraper.py.

Good fit Opening dynamic websites, navigating multi-step pages, and extracting information after simpler fetching methods fail.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/kevinnft/ai-agent-skills
agentmods
npx agentmods add skills/kevinnft/ai-agent-skills/cloud-browser-automation

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for cloud-browser-automation

README.md
[![agentmods](https://agentmods.dev/badge/skills/kevinnft/ai-agent-skills/cloud-browser-automation/github.svg)](https://agentmods.dev/skills/kevinnft/ai-agent-skills/cloud-browser-automation)
Your own site
<a href="https://agentmods.dev/skills/kevinnft/ai-agent-skills/cloud-browser-automation"><img src="https://agentmods.dev/badge/skills/kevinnft/ai-agent-skills/cloud-browser-automation/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for cloud-browser-automation

Your own site · 80×15
<a href="https://agentmods.dev/skills/kevinnft/ai-agent-skills/cloud-browser-automation"><img src="https://agentmods.dev/badge/skills/kevinnft/ai-agent-skills/cloud-browser-automation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 29 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,464 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00029 $0.04464
Opus 5 $0.00015 $0.02232
Sonnet 5 $0.00006 $0.00893
Haiku 4.5 $0.00003 $0.00446

Measured 10d ago against content hash 0a6c2cde18ef, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade B, and why

cloud-browser-automation scanned grade B with 2 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 10d 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.

Sends data to an external URLmediumData exfiltration

A POST to an outside endpoint may be telemetry or may be exfiltration; either way the mod talks to somewhere, and you should know where.

resp = requests.post("https://api.browser.tinyfish.ai", headers=headers, json=payload, timeout=60)

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

2. Try direct curl with proper headers (Pattern 0 — works for most static sites)
skills/devops/cloud-browser-automation/SKILL.md · 640 lines

How it starts

The opening of the file, as written. The whole thing — 640 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Cloud Browser Automation

Use cloud browser services (Browserbase, Browser Use Cloud) for web scraping when local tools fail due to Cloudflare protection, JavaScript rendering requirements, or anti-bot measures.

Usage Strategy

CRITICAL: On-demand only, close immediately

Always follow this pattern:

  1. Create session ONLY when needed
  2. Do the task (scrape/navigate/extract)
  3. Close session IMMEDIATELY after done
  4. Never leave sessions running idle

Why:

  • Save credits (pay per minute)
  • Avoid hitting concurrent session limits (e.g., Browserbase max 3)
  • Clean resource usage
  • No waste

When to Use

Escalation ladder (always try cheapest/fastest first):

1. Try Hermes web_fetch first
   ↓ (if fails or empty content)
2. Try direct curl with proper headers (Pattern 0 — works for most static sites)
   ↓ (if blocked or needs JS)
3. Try Hermes browser
   ↓ (if blocked by Cloudflare or sandbox issues)
4. Use cloud browser (Browserbase)

Use cloud browser when:

  • ✅ Cloudflare Turnstile blocking requests
  • ✅ JavaScript-heavy sites (SPA, dynamic content)
  • ✅ Anti-bot detection (fingerprinting, TLS checks)
  • ✅ Complex multi-step automation (login, navigate, extract)

DON'T use cloud browser when:

  • ❌ Simple HTTP requests (use web_fetch)
  • ❌ Static content (use web_fetch)
  • ❌ Cost-sensitive tasks (cloud = pay per minute)

Browserbase Setup

API Configuration

# Credentials (saved in memory)
API_KEY="bb_live_O6tVgdzl8B6WquBSj1XpuaC5hMc"
PROJECT_ID="a5008864-bbaa-4966-96e2-2272497b003d"
BASE_URL="https://www.browserbase.com/v1"

# Limits
MAX_CONCURRENT_SESSIONS=3
SESSION_TIMEOUT=5  # minutes (default)

Session Management

CRITICAL USER PREFERENCE:

"gini jadi lo pakai browserbase saat dibutuhkan aja, nah sesi langsung close saat beres"

Translation: Use on-demand only, close immediately after done.

Why:

  • ✅ Save credits (pay per minute)
  • ✅ Avoid hitting concurrent limit (max 3)
  • ✅ Clean resource usage
  • ✅ No waste

Read the full file on GitHub · 640 lines

Files

What ships with it

3 files 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.

Changes

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.

  1. 10d ago First seen · 640 lines · 29 tokens per session scan B 0a6c2cde18ef

Subscribe to this mod's changes

cloud-browser-automation is a skill published in the GitHub repository kevinnft/ai-agent-skills (14 stars, last pushed 1mo ago), licensed MIT. It adds 29 tokens to every session and 4,464 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it B with 2 findings (sends data to an external url, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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