chore(release): 0.27.0-fork.29 — plugin overflowTest fix, popup-free auto-connect, ab-connect rebrand+icon, README
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- stealth(plugins): stop overwriting real native navigator.plugins in headed
  mode (the JS fake had a non-native item(), broken uint32 wrap → incolumitas
  overflowTest FAIL, and an anachronistic Native Client plugin). Leave native
  plugins untouched when present; modernize the headless-escape fallback to the
  real 5 PDF-viewer set with masked-native item()/namedItem().
- connect: auto_connect_cdp() now prefers the dialog-free ab-connect relay over
  the raw :9222 CDP port, so Chrome 136+'s "Allow remote debugging?" consent
  modal no longer fires when the extension relay is live. Gated by a bare-TCP
  relay_is_live() probe (+3 unit tests).
- extension: rename ab-connect to "agent-browser-stealth" + new stealth icon set
  (16/32/48/128).
- docs(README): hero/shield/fingerprint images, expanded detector results
  (CreepJS 0% stealth, incolumitas all-OK, BrowserScan CDP-clean), and a
  "Verify it yourself" section. .gitignore: allow assets/ + extension icons.
This commit is contained in:
leeguooooo
2026-06-10 11:17:41 +09:00
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@@ -1,11 +1,15 @@
# agent-browser-stealth
![agent-browser-stealth](assets/hero.png)
Stealth fork of [agent-browser](https://github.com/vercel-labs/agent-browser) — connects to your real Chrome, shares your login sessions, and is undetectable by anti-bot systems.
For basic usage, commands, and API reference, see the [upstream documentation](https://github.com/vercel-labs/agent-browser).
## Why this fork?
<img src="assets/fingerprint.png" alt="real but undetectable fingerprint" width="300" align="right" />
**agent-browser** launches a fresh browser with an empty profile. You need to log in again, and websites can detect it's automated.
**agent-browser-stealth** connects to your existing Chrome. Your cookies, sessions, and browser fingerprint are all real — because it IS your real browser.
@@ -115,6 +119,8 @@ In CI environments, standalone mode is used automatically.
## Anti-detection
<img src="assets/shield.png" alt="stealth shield" width="320" align="right" />
When connected to your real Chrome, we inject **zero** JavaScript patches. Your browser's fingerprint is completely genuine. The guiding rule is **native CDP/Chrome overrides over JS lies** — a re-defined getter is itself detectable; a native override isn't.
- `navigator.webdriver = false` via `Emulation.setAutomationOverride` (native, undetectable by CreepJS-style lie tests).
@@ -124,11 +130,27 @@ When connected to your real Chrome, we inject **zero** JavaScript patches. Your
| Test site | Result |
|---|---|
| [CreepJS](https://abrahamjuliot.github.io/creepjs/) | 0% stealth, 0% headless |
| [bot.sannysoft.com](https://bot.sannysoft.com) | All green |
| [Cloudflare Turnstile](https://nowsecure.nl) | Passed |
| [CreepJS](https://abrahamjuliot.github.io/creepjs/) | **0% stealth · 0% headless** (no override traces at all) |
| [bot.incolumitas.com](https://bot.incolumitas.com/) | all checks OK — `overflowTest`, `overrideTest`, `puppeteerExtraStealthUsed`, worker consistency |
| [bot.sannysoft.com](https://bot.sannysoft.com) | all green |
| [BrowserScan](https://www.browserscan.net/bot-detection) | Webdriver · User-Agent · CDP all clean |
| [Cloudflare Turnstile](https://nowsecure.nl) | passed |
When using `--launch` mode (standalone browser), a full suite of 32 stealth patches is applied for headless Chrome.
`0% stealth` on CreepJS is the key number: because the connect path patches **nothing**, there is no override for a lie-detector to catch. (Dashboards that read `navigator.languages` order or IP geolocation may show a soft "navigator"/"location" flag — that tracks *your real Chrome's* language list and network, not an automation tell.)
When using `--launch` mode (standalone browser), a full suite of stealth patches is applied instead, and it still passes the suite above.
### Verify it yourself
Don't take our word for it — point your connected Chrome at the toughest public detectors and compare:
- **[CreepJS](https://abrahamjuliot.github.io/creepjs/)** — the most thorough fingerprint / lie detector
- **[bot.incolumitas.com](https://bot.incolumitas.com/)** — behavioral + fingerprint scoring with a public methodology
- **[BrowserScan](https://www.browserscan.net/bot-detection)** — Webdriver / User-Agent / CDP / Navigator
- **[bot.sannysoft.com](https://bot.sannysoft.com)** — the classic automation-marker checklist
- **[pixelscan.net](https://pixelscan.net/)** · **[iphey.com](https://iphey.com/)** — consistency & identity
We deliberately **don't ship our own bot detector** — the strongest, most honest benchmark is the market's best detectors run against your real browser.
### Tuning knobs (environment variables)