Open source alternative to Browserbase, Bright Data Scraping Browser, Oxylabs Headless Browser and Scrapeless
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Browse the real web from AI agents using C++ fingerprint spoofing that bypasses Cloudflare and bot detection without JavaScript shims.
AI agent pipelines that need to navigate authentication flows, fill forms, and extract structured data from pages that block standard headless browsers. The accessibility snapshot API returns compact, agent-readable output that integrates with any REST-capable agent framework, keeping token costs low across high-volume sessions.
Your agent only accesses public APIs or statically cached data that does not require a real browser session.
Workflows that require logging into sites like LinkedIn or Amazon before extracting data. Cookie import from Netscape-format files and VNC-based interactive login let agents operate in authenticated sessions without storing credentials in code. Persisted browser profiles mean the login survives across server restarts.
Your target sites do not require authentication and serve content to unauthenticated requests without bot detection.
Teams running high volumes of browser interactions who need to avoid per-session pricing from managed cloud browser providers. Self-hosting on existing compute brings the marginal cost of additional sessions down to infrastructure cost alone, with no surprise billing spikes when agent workload increases.
You need a fully managed SLA with vendor support contracts, in which case a commercial managed browser provider is more appropriate.
AI agents that need to access live web pages face a persistent challenge: standard headless browsers like Playwright's Chromium are rapidly identified and blocked by commercial bot detection systems such as Cloudflare, PerimeterX, and Akamai. JavaScript-level stealth patches (the approach taken by libraries like puppeteer-extra-plugin-stealth) are increasingly fingerprinted, because the patches themselves create detectable patterns in the browser's behavior profile. Managed browser services solve the detection pain but introduce per-session pricing and external infrastructure dependencies that become expensive and unpredictable as agent workload grows. There is no widely available self-hosted alternative that operates at the same fingerprint-spoofing depth as commercial offerings, which forces many teams to accept either high blocking rates or ongoing subscription costs to providers they cannot audit or modify.
Camofox-browser builds on Camoufox, a Firefox fork that patches fingerprint vectors at the C++ level. Properties including navigator.hardwareConcurrency, WebGL renderers, AudioContext, screen geometry, and WebRTC are spoofed before JavaScript execution, leaving no shim artifacts for bot detection systems to find. Cloudflare, Google, and most commercial anti-bot stacks identify the browser as a legitimate Firefox instance.
Instead of returning raw HTML to agents, the REST API returns accessibility snapshots: structured representations of a page's interactive elements. These snapshots are roughly 90% smaller than equivalent HTML, which reduces token consumption and latency for every page interaction. Large pages are handled through automatic truncation with offset-based pagination.
Every interactive element in the accessibility snapshot receives a short, stable reference identifier such as e1, e2, or e3. Agents use these identifiers for click, type, scroll, and form-fill actions without re-scraping the page between interactions. This makes multi-step form flows and authenticated login sequences reliable across page loads.
Each user or agent session gets its own cookie storage and localStorage, preventing cross-session data leakage in multi-tenant pipelines. Browser profiles persist across restarts by default, so authenticated sessions survive server reboots. Cookie files in Netscape format can be imported directly, enabling pre-authenticated browsing for sites like LinkedIn or Amazon without an interactive login flow.
Configuring a proxy endpoint routes all browser traffic through it, and Camoufox's built-in GeoIP module automatically derives locale, timezone, and geolocation from the proxy's exit IP. The browser fingerprint stays consistent with the proxy location. Backconnect strategies for rotating providers like Bright Data or Oxylabs are supported, with per-session sticky IPs and automatic rotation on proxy errors.
Named macros such as @google_search, @youtube_search, @amazon_search, and @reddit_subreddit let agents issue structured queries to more than ten common sites without building page-specific parsers. YouTube transcript extraction works via yt-dlp without requiring a YouTube API key, with a browser-based fallback when yt-dlp is not installed.
Browserbase is a managed cloud browser service that handles infrastructure and anti-detection at the vendor level, with per-session or monthly subscription pricing. Teams that prefer not to provision or maintain servers find it convenient. Camofox-browser is MIT licensed and self-hosted: it runs on any Node.js or Docker-compatible host at no per-session cost. For high-volume agent workloads the billing difference is substantial. Browserbase provides a support contract and managed uptime guarantees; camofox-browser provides full infrastructure control, source auditability, and predictable cost tied only to your own hardware.
Bright Data's Scraping Browser pairs a managed anti-detection browser with Bright Data's residential and datacenter proxy network, billed per gigabyte of traffic. Camofox-browser's backconnect proxy configuration is designed to work with Bright Data as an upstream proxy provider while you self-host the browser layer. Teams that already pay for Bright Data proxies can route camofox-browser sessions through them using the backconnect strategy, keeping the managed proxy network while eliminating the managed browser markup.
Scrapeless is a cloud API that returns structured data from target URLs without exposing a full browser session to the caller. Camofox-browser provides a complete browser: tab lifecycle management, cookie injection from Netscape files, form filling, VNC-based interactive login, and per-session Playwright trace capture. Scrapeless is simpler to operate for pure data extraction from static or known page structures. Camofox-browser is the appropriate choice when the workload requires navigating authenticated multi-step flows or interacting with dynamic application state.
Oxylabs Headless Browser is a managed cloud browser service with per-request pricing and an enterprise support tier. Camofox-browser uses the same C++ level fingerprint-spoofing approach in a self-hosted server, which eliminates per-request costs for teams with existing compute capacity. Oxylabs is the better fit when managed availability and a vendor SLA take priority over cost control and infrastructure ownership.
Clone the repository and install dependencies to run the browser server locally, or deploy with Docker using the included Makefile.
```bash
git clone https://github.com/jo-inc/camofox-browser
npm install
npm start
```The README states that C++ level fingerprint spoofing bypasses Cloudflare and most commercial bot detection. Camoufox patches fingerprint vectors before JavaScript runs, so there are no JavaScript shim artifacts for detection scripts to find. That said, bot detection systems evolve continuously and no bypass is guaranteed indefinitely; the project tracks failure patterns through its opt-out telemetry to prioritize fixes.
Stealth plugins for Puppeteer and Playwright work at the JavaScript layer, patching browser properties after the browser has already exposed them. Detection systems can identify these patches because the patches themselves create detectable behavioral signatures. Camoufox, which camofox-browser is built on, patches the same properties at the C++ implementation level before JavaScript ever sees them, leaving no patch artifacts for detection scripts to find.
Camofox-browser is designed as a drop-in Puppeteer and Playwright replacement. It exposes a REST API that any agent framework can call, with an auto-generated OpenAPI spec browsable at /docs on any running instance. It also installs as an OpenClaw plugin with tools for tab management, clicking, typing, navigation, scrolling, and cookie import.
Yes. Set the environment variable CAMOFOX_CRASH_REPORT_ENABLED=false before starting the server. Telemetry is opt-out by default. When enabled, it sends anonymized crash and hang data to a Cloudflare Worker; private domain names are HMAC-hashed and request paths and parameters are stripped before transmission. No secrets are included in reports.
The server keeps idle memory at roughly 40MB through lazy browser launch and idle session shutdown. It is designed to run alongside other services on minimal hardware, including a Raspberry Pi or a $5 VPS. The first run requires downloading the Camoufox browser binary, which is approximately 300MB; subsequent starts use the cached binary.
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