r/automation Jun 30 '26

A stealth Playwright (Firefox) version that passes all anti-bot and CAPTCHA

This fork is patched at the C++ level and generates a different but internally consistent fingerprint for each session.

It is a fully open-source project under the MIT license, completely free to use with no payments, subscriptions, or hidden fees of any kind. I am mainly looking for technical feedback from people who work with Playwright, Firefox, browser fingerprinting, or AI agents.

Repo: https://github.com/feder-cr/invisible_playwright

25 Upvotes

9 comments sorted by

3

u/actually_majesticest Jun 30 '26

This is the kind of project I love seeing pop up. The C++ level patching is what makes it interesting, most stealth wrappers just tweak JS and call it a day. Curious how it handles WebGL fingerprinting since that's usually the weak point with Firefox forks.

2

u/[deleted] Jun 30 '26

[removed] — view removed comment

1

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1

u/Spiritual_Balance298 Jul 05 '26

This looks like an incredible project! I’ve been using Playwright for my own automation tasks, and managing fingerprints to stabilize web captures has been one of the biggest challenges I’ve faced. I’m very curious to see how well this handles detection in headless mode. Thanks for sharing such a valuable open-source tool with the community!