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obscura

Stealth headless browser with CDP server for anti-fingerprint browsing, parallel scraping, and low-memory CDP automation. This skill should be used when stealth browsing, anti-detection scraping, headless CDP automation with fingerprint protection, or tracker-free page fetching is needed. Triggers on 'stealth browse', 'anti-fingerprint', 'obscura', 'stealth CDP', 'undetectable scraping', 'headless stealth', 'tracker-free browsing'.

The English summary is being prepared. Showing the original description.

See how to install

Files included (8)

  • SKILL.md2.6 KB
  • evals/evals.json2.9 KB
  • README.md3.4 KB
  • references/cdp-coverage.md1.1 KB
  • scripts/obscura_serve.sh1.0 KB
  • scripts/test_academic_sites.sh4.7 KB
  • scripts/test_obscura.sh3.1 KB
  • scripts/test_stealth_comparison.sh3.1 KB

SKILL.md (original)

Review the instructions the agent will receive before you install.

Obscura

Rust headless browser with built-in anti-fingerprinting and CDP server. Fills the gap between Lightpanda (CDP, no stealth) and Scrapling (stealth, no CDP). Binary at ~/tools/obscura/obscura.

When to Use

ScenarioTool
Clean single-page markdownFirecrawl
Cloudflare Turnstile bypassScrapling
RedditLightpanda / Scrapling
Twitter/XJina
Interactive @ref automationagent-browser
Stealth CDP automationObscura
Batch stealth scrapingObscura
Low-RAM headless (30MB)Obscura

Usage

Fetch a page with stealth:

obscura fetch --stealth --quiet https://example.com --eval "document.title"

Parallel batch scrape:

obscura scrape URL1 URL2 URL3 --concurrency 25 --format json

Start CDP server (port 9224 to avoid Chrome conflict on 9222):

obscura serve --port 9224 --stealth

Chain through Proxelar for defense-in-depth — --proxy is a global flag, goes before the subcommand:

obscura --proxy http://127.0.0.1:8080 serve --port 9224 --stealth
obscura --proxy http://127.0.0.1:8080 fetch --stealth https://example.com

Connect Puppeteer: browserWSEndpoint: "ws://127.0.0.1:9224/devtools/browser" Connect Playwright: endpointURL: "ws://127.0.0.1:9224"

CDP domain coverage: see references/cdp-coverage.md. Includes non-standard LP.getMarkdown for DOM-to-Markdown.

Gotchas

  • Port 9224 is convention, not default. The binary defaults to 9222 (Chrome's port). Always pass --port 9224.
  • --stealth is off by default. Pass it explicitly for anti-fingerprinting and tracker blocking.
  • --proxy is a global flag. Place it before fetch/serve/scrape, not after.
  • --quiet suppresses the banner. Use it when piping output.
  • WebSocket path differs from Lightpanda. Obscura: /devtools/browser. Lightpanda: bare endpoint.
  • Ad-hoc signed binary, no notarization. SHA-256 recorded at ~/tools/obscura/obscura.sha256. Verify on update.

Helper Scripts

ScriptPurpose
scripts/obscura_serve.shStart CDP server on 9224 with cleanup trap, PID file, optional --with-proxelar

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