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cloakbrowser-stealth

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Stealth browser automation using CloakBrowser to bypass bot detection on protected sites. Use when web_fetch fails with anti-bot blocks, CAPTCHA, or access denied errors. Use for scraping reviews, protected pages, or any site that blocks standard Playwright/Puppeteer automation. Not for sites requiring login credentials or solving interactive CAPTCHAs.

What it does

Stealth browser automation using CloakBrowser to bypass bot detection on protected sites. Use when web_fetch fails with anti-bot blocks, CAPTCHA, or access denied errors. Use for scraping reviews, protected pages, or any site that blocks standard Playwright/Puppeteer automation. Not for sites requiring login credentials or solving interactive CAPTCHAs.

The skill document

CloakBrowser Stealth Fetch

Quick Start

Fetch content from a protected site:

cd ~/.openclaw/workspace/skills/cloakbrowser-stealth/scripts
python3 fetch.py "https://example.com" --wait-ms 3000

Common Patterns

Extract specific elements

python3 fetch.py "URL" --selector "[data-testid='review-title']" --output text

Full page with screenshot

python3 fetch.py "URL" --wait-ms 4000 --screenshot /tmp/page.png --output json

Humanize for aggressive detection

python3 fetch.py "URL" --humanize --wait-ms 5000

JSON output for structured processing

python3 fetch.py "URL" --output json | python3 -c "import sys,json; d=json.load(sys.stdin); print(d['text'][:500])"

When It Works / When It Doesn't

Use CloakBrowser when:

  • web_fetch returns 403, bot challenge, or empty body
  • Target uses standard fingerprint detection (WebDriver, plugins, WebGL)
  • Reviews, public listings, non-login content

Don't use when:

  • Site requires login (use session cookies instead)
  • Interactive CAPTCHA (hCaptcha, reCAPTCHA v2 checkbox)
  • IP-reputation blocks (use proxy, see references/config.md)
  • Rate-limited after repeated requests

Exit Codes

CodeMeaning
0Success, content extracted
1Anti-bot blocked (check output for "blocked: true")
2Navigation timeout or error
3Script/dependency error

Script Reference

  • scripts/fetch.py — Unified fetch wrapper with anti-bot detection, element extraction, screenshot, JSON/text/html output

For full configuration options, proxy setup, and target site status: see references/config.md

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