devtools

CloakBrowser — Undetectable Chromium for Reliable Web Scraping

Name: CloakBrowser — Undetectable Chromium for Reliable Web Scraping
Author: CloakHQ

CloakBrowser lets founders run Chrome‑based automation that evades bot detectors and CAPTCHAs, a drop‑in Playwright alternative with source‑level fingerprint patches. Ideal for data‑driven startups; 32k+ GitHub stars.

From the repo · “Stealth Chromium that passes every bot detection test. Drop-in Playwright replacement with source-level fingerprint patches. 30/30 tests passed.”

32,407 stars+189★ this week2,685 forksPythonGuide quality 8/10 · reviewed Sep 29Install verified Sep 21Updated 10/20/2026100% free · open source

What it does

CloakBrowser is a stealth Chromium browser that evades bot detection, allowing developers to automate browsing without being flagged as a bot.

When to use it

•When scraping websites that have strict bot detection measures
•When automating tasks that require a browser to mimic human behavior
•When replacing Playwright with a more stealthy alternative

Ready-to-paste prompt

browser.get('https://example.com'); browser.find_element('css selector', '#login-button').click()

Heads up: Make sure to set the `CLOAK_BROWSER_BINARY` environment variable to the path of the CloakBrowser binary, as specified in the GitHub README

Saves to your device

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

✅ Light setup✓ Install verified 9/21/2026

Installs with a command or two; your AI agent can do it for you.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/cloakbrowser && curl -fsSL https://workflowstacks.com/api/skills/cloakbrowser/claude-skill -o ~/.claude/skills/cloakbrowser/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How CloakBrowser — Undetectable Chromium for Reliable Web Scraping works

Codeflow

Free to inspect

CloakBrowser — Undetectable Chromium for Reliable Web Scraping is a large Python project (~38k lines across 105 code files, plus 79 test files). Setup is light: installs like a normal app. Reading the code is optional. Last commit this month, MIT license, has a test suite.

Size

Large codebase

~38k lines · 105 code files · ~5 h to skim

Setup

One-command install

Installs like a normal app. Reading the code is optional.

Runs on

Python · Docker

No API keys detected

Python 40%C# 30%TypeScript 28%JavaScript 2%

Where to start reading

1
README.md
Start here — what it does and how to install it
2
bin/cloaktest
Where the program starts running
3
pyproject.toml
Dependencies and the commands it exposes
4
cloakbrowser/__init__.py
Inside cloakbrowser/ — the main logic begins here
5
examples/basic.py
A worked example — copy this to get going

What's in each folder

cloakbrowser/Core code — the actual logic20 files

bin/Command-line entry points4 files

examples/Examples you can copy17 files

dotnet/Folder74 files

js/Folder51 files

tests/Tests — proof it works33 files

.github/CI / automation (GitHub Actions)7 files

images/Images & static assets6 files

READMEHas testsDocumentedCI checksDocker readyExamples includedMIT licenseUpdated this month

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

✅ Light setup✓ Install verified 9/21/2026

Installs with a command or two; your AI agent can do it for you.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/cloakbrowser && curl -fsSL https://workflowstacks.com/api/skills/cloakbrowser/claude-skill -o ~/.claude/skills/cloakbrowser/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

Quick Actions

Details

Creator

CloakHQ

Language

Python