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anti-detect browser client SDK powered by the Engine runtime and Playwright CDP","maintainers":[{"name":"antibrow","email":"zane79076@gmail.com"}],"readme":"# anti-detect-browser\n\n**Engine-level anti-detect browser for Node.js โ€” real device fingerprints, the standard Playwright API, zero learning curve.**\n\nDrive an undetectable Chromium with the Playwright API you already know. Fingerprints are applied at the **engine level** (not fragile JS patches), so canvas, WebGL, audio, fonts, WebRTC, timezone and locale are spoofed deep enough to satisfy the strictest detectors โ€” while you keep writing plain `page.goto(...)`.\n\n```typescript\nimport { AntiDetectBrowser } from 'anti-detect-browser'\n\nconst ab = new AntiDetectBrowser({ key: 'your-api-key' })\nconst { page } = await ab.launch({ profile: 'amazon-us', proxyId: 'your-proxy' })\n\nawait page.goto('https://example.com') // standard Playwright from here\n```\n\n## Why anti-detect-browser\n\n- ๐Ÿ›ก๏ธ **Engine-level spoofing** โ€” fingerprints are generated from **real devices** and applied inside the browser engine, not injected via JavaScript that detectors can unmask.\n- ๐ŸŽญ **Consistent identity** โ€” UA, platform, canvas, WebGL, audio, fonts, WebRTC, timezone and language all line up. No tells, no contradictions.\n- ๐ŸŒ **Geo-aware** โ€” point a profile at a proxy and the browser's timezone, locale and WebRTC automatically follow the proxy's location.\n- ๐Ÿ’พ **Persistent profiles** โ€” each profile keeps its own cookies, storage and login state across runs, and syncs to the cloud.\n- ๐Ÿ”Œ **Standard Playwright** โ€” `launch()` returns a real Playwright `Page` / `BrowserContext`. Everything you know still works.\n- ๐Ÿท๏ธ **Account labels** โ€” floating tag, window title and theme color per profile, so you never act in the wrong account.\n- ๐Ÿ“บ **Live View** โ€” stream any session to your dashboard and share a watch link.\n- ๐Ÿค– **MCP server** โ€” expose the browser to AI agents via the Model Context Protocol out of the box.\n\n## Detection benchmarks\n\nVerified by launching a real profile through a US residential proxy (New York) with an engine-generated fingerprint, then opening the public detectors:\n\n| Detector | Result |\n|----------|--------|\n| **Whoer.net** | **100% disguise** โ€” proxy **not detected**, no DNS leak, OS / browser / geo all consistent |\n| **CreepJS** | **0% headless**, **0% stealth**, confidence **high**, `navigator.webdriver = false` |\n| **WebRTC** | Exposes the **proxy IP only** โ€” the real IP never leaks |\n| **Timezone / Locale** | Auto-aligned to the proxy: a US proxy IP yields a US timezone (e.g. `America/New_York`, `America/Los_Angeles`) + `en-US` \"American English\" |\n| **Device coherence** | UA `Chrome 137`, `userAgentData` (137.0.7151.69), platform, cores and memory all agree |\n\n> Results reflect one verification run; exact scores depend on the proxy and fingerprint. The point is consistency โ€” every layer tells the same story.\n\n

\n \"Whoer.net\n
\n Whoer.net: 100% disguise ยท proxy not detected ยท DNS/OS/browser/geo all consistent\n

\n\n

\n \"CreepJS\n
\n CreepJS: 0% headless ยท 0% stealth ยท high confidence ยท timezone (America/Los_Angeles), locale and Worker thread all aligned to the proxy\n

\n\n## Install\n\n```bash\nnpm install anti-detect-browser playwright-core\n```\n\n> Windows-only. The engine runtime and its fingerprint generation are Windows-native.\n\n## Quick start\n\n```typescript\nimport { AntiDetectBrowser } from 'anti-detect-browser'\n\nconst ab = new AntiDetectBrowser({ key: 'your-api-key' })\n\nconst { page } = await ab.launch({\n profile: 'amazon-us', // persistent profile (cookies, storage, login)\n proxy: 'http://user:pass@host:port', // or proxyId for a managed proxy\n})\n\nawait page.goto('https://example.com')\n```\n\nThe engine applies the fingerprint at launch, so once `launch()` returns you have regular Playwright `Page` / `BrowserContext` objects with no extra setup.\n\n## Full options\n\n```typescript\nconst { browser, context, page } = await ab.launch({\n profile: 'my-account', // persistent profile\n proxy: 'http://user:pass@host:port',\n proxyId: 'managed-proxy-id', // managed proxy; takes precedence over `proxy`\n label: 'account@example.com',\n color: '#3366ff',\n headless: false,\n liveView: true, // stream this session to your dashboard\n})\n\nawait page.goto('https://example.com')\nawait browser.close()\n```\n\n## MCP server\n\nRun as an MCP server for AI agent integration:\n\n```json\n{\n \"mcpServers\": {\n \"anti-detect-browser\": {\n \"command\": \"npx\",\n \"args\": [\"anti-detect-browser\", \"--mcp\"],\n \"env\": {\n \"ANTI_DETECT_BROWSER_KEY\": \"your-api-key\"\n }\n }\n }\n}\n```\n\nExposes tools such as `launch_browser`, `close_browser`, `navigate` and `screenshot`.\n\n## How it works\n\n1. Your API key authenticates an engine session with the server.\n2. The engine runtime is provisioned locally (cached after first use) and launched with a real-device fingerprint.\n3. The SDK connects over CDP and hands you a standard Playwright `BrowserContext`.\n4. Profiles persist locally and sync to the cloud; proxies set geolocation, timezone and language automatically.\n\n## Requirements\n\n- Windows\n- Node.js >= 18\n- An API key from [antibrow.com](https://antibrow.com)\n\n## Documentation\n\nVisit [antibrow.com](https://antibrow.com) for full documentation.\n","readmeFilename":"README.md"}