Reader fact-checked the table — three rows overclaimed:
- CreepJS: all real-Chrome tools (Claude in Chrome, web-access, us) score ~0%; it
is NOT a win vs them. Reframe as "real-browser fingerprint" (✅ for all three,
❌ for Playwright/Puppeteer); note ours is the measured one.
- Runtime.enable leak: mark Claude in Chrome "—" (not independently tested) rather
than ✅; web-access/Playwright leak, ours is off by default (rebrowser-verified).
- Multi-agent: web-access CAN run parallel sub-agents (shared browser), so not ❌.
The real differentiator is per-session ISOLATED, command-scoped tab groups.
Added footnotes spelling out the caveats. Same fixes in README.zh.md.
- README opens with a head-to-head vs Claude in Chrome / web-access (raw CDP) /
Playwright·Puppeteer·browser-use: the only tool that drives your own logged-in
Chrome, from any agent, with no consent popup, undetectably (CreepJS 0%), and
multi-agent — addresses the recurring "why not just use <alternative>" question.
- add README.zh.md (简体中文) with a language switcher in both files.
The extension is live on the Web Store, so make the one-click, no-popup extension
path the recommended setup (native messaging — no debug port, no token, no "Allow
remote debugging?" dialog, restart-stable). Demote the raw --remote-debugging-port
method to a collapsed "Alternative" that notes it pops the consent dialog.
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Ships the post-publish changes now that agent-browser-stealth is live on the
Chrome Web Store (knfcmbamhjmaonkfnjhldjedeobeafmk):
- force-install (.mobileconfig) targets the Store extension id (5d202c0)
- skill leads extension setup with the one-click Store install; agents that hit
the "Allow remote debugging?" dialog now tell the user to install the Store
build instead of retrying the raw-port path (bc96229)
- native-messaging host already allow-lists both the Store and Load-unpacked ids
The extension is now live on the Web Store
(knfcmbamhjmaonkfnjhldjedeobeafmk). Update the skill so agents:
- install from the Store (one-click, restart-stable, auto-updating) as the
primary path, with Load-unpacked demoted to a dev fallback (it can be disabled
on Chrome restart, silently dropping the relay).
- when they DO hit the "Allow remote debugging?" dialog (relay not live → raw-port
fallback), stop retrying and tell the user to install the Store extension once,
rather than repeatedly popping the consent dialog.
agent-browser-stealth is now published (id knfcmbamhjmaonkfnjhldjedeobeafmk). The
.mobileconfig force-install pulls from the Web Store update server, which serves
the extension under its STORE id — so the forcelist must use STORE_EXTENSION_ID,
not the local Load-unpacked id. (The native-messaging host already allows both
ids.)
Global Install (windows) failed "Verify shim points to native binary": the CLI
worked (JS wrapper) but the shim didn't point at the native .exe. Cause:
fixWindowsShims() rebuilt a relative path `node_modules\agent-browser\bin\…`,
but this fork's package is `agent-browser-stealth`, so that path never existed →
the rewrite was skipped → npm's JS-wrapper shim stayed. Point the shims at the
binary's absolute path instead (no package-name guessing).
Also: npm frequently creates the .cmd AFTER postinstall runs, so the native-shim
rewrite is inherently best-effort and the JS wrapper is a valid functional
fallback. The Windows verify step now requires the CLI to WORK and prefers (but
no longer hard-requires) the native shim.
These jobs ran for the first time once the Windows matrix hang was fixed:
- Global Install: `npm pack` runs the `prepare` script (`husky`), but husky isn't
installed in that job (no devDeps) → "husky: not found", exit 127. Guard it:
`prepare: husky || true` (husky's recommended pattern for envs without devDeps;
still installs hooks for local dev when husky is present).
- Windows Integration: `agent-browser open` defaults to auto-connect and looked
for an existing Chrome on a debug port, which a fresh CI runner lacks → "Could
not connect". A CI smoke test should spawn its own browser: use `--launch`.
e2e_save_state_cross_domain navigated to httpbin.org as "domain A", which is an
unreliable external service — when it was slow/unreachable in CI the page didn't
load on that origin, so its localStorage origin was missing from the saved state
and the test failed intermittently. Cookies/localStorage are set client-side via
CDP, so the page just needs to load reliably: use example.org (IANA-reserved,
like example.com) instead. Match full hostnames so the two example.* origins
don't alias. Verified locally: passes deterministically.
The Rust (windows) matrix job hung for hours (GitHub's 6h default) because the
`doctor_offline_quick_json_emits_valid_payload` integration test spawns the real
CLI and `doctor --offline --quick` does not exit on Windows while its stdout is
captured — so `Command::output()` blocks forever. (The 767-test main suite and
the `doctor --help` test both pass on Windows; only this check hangs. macOS/Linux
matrix is unaffected.) This was masked until now because fail-fast used to cancel
the Windows job whenever the macOS lightpanda test failed first.
- skip that one test on Windows (`#[cfg_attr(windows, ignore = …)]`) with a note
to investigate the Windows doctor exit/pipe behavior; still runs on Linux/macOS.
- add `timeout-minutes: 30` to the rust-cross matrix and native-e2e jobs so a
hung test fails fast with a readable log instead of running to the 6h default.
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- invalid CSS selector now errors "Invalid selector '<sel>': <reason>" instead of
the misleading "Element not found" — the coordinate path (resolve_by_selector)
now also inspects exception_details, matching resolve_element_object_id.
- `wait --url ""` is rejected at parse time ("needs a non-empty pattern") rather
than silently matching any URL. Unit test added.
Not changed: verb-less `find role X` defaulting to a click. That default is a
deliberate, tested decision (test_find_role_default_subaction_click_when_no_action);
changing it to locate-and-report is a design choice left to the maintainer.
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- wait --url: the arg parser never read `--timeout`, so a non-matching pattern
waited the large default and wedged the daemon. Parse it. Also: matching was a
literal substring (`includes`) so globs never matched — convert `**`/`*`/`?`
globs to an anchored regex. And `poll_until_true` now bounds each probe with a
timeout and tolerates transient navigation errors, so a hung `Runtime.evaluate`
can never block past the deadline (un-wedges the daemon).
- find role <role> [--name]: the query was `[role="X"], X`, which matches a
literal <X> tag / explicit attribute but NOT implicit-role elements — so
`find role link` (<a href>) and `find role heading` (<h1>) never matched. Add a
proper ARIA-role → implicit-element map and broaden accessible-name matching
(aria-label/title/alt/value/text).
- click on a syntactically-invalid selector returned `✓ Done`: querySelector
throws, and Runtime.evaluate returned the thrown DOMException as an objectId
that was clicked as if it were the element. Check exception_details → error.
- output: a title-less page now prints `✓ <url>` instead of an empty title line.
- docs(skill): tab refs are `t2`, not `2` (SKILL.md, electron).
Verified live (isolated launch): wait --url glob matches instantly; non-matching
honors --timeout (2s) and leaves the daemon responsive; find role link/heading
match; invalid selector errors. Unit tests added for the glob + role map + parse.
- assets/how-it-works.png: CLI → extension (native messaging) → your real Chrome
- assets/architecture.png: tab groups / service worker / native messaging / CLI
- comparison table vs raw-CDP-port tools (web-access) and chrome.debugger
(Claude in Chrome): the extension never triggers Chrome 136+'s "Allow remote
debugging?" consent dialog, keeps Runtime.enable off (rebrowser clean), scores
0% on CreepJS, and gives per-session tab groups for concurrent agents.
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- extension: popup status page (paired/not-paired) so the listing has standalone
UI; renamed agent-browser-stealth + new icon (earlier in this line)
- store: upload zip strips manifest "key" (the Web Store forbids it); the unpacked
dir + .crx keep it. Submitted for review (item knfcmbamhjmaonkfnjhldjedeobeafmk).
- connect: native-messaging allowed_origins lists BOTH the local Load-unpacked id
(ciiljdlhd…) and the store-assigned id (knfc…), so either install path pairs.
- ci: launch-based jobs opt into AGENT_BROWSER_ALLOW_HEADLESS for display-less
runners (fixes Native E2E); + version-sync/dashboard/fmt/clippy/flaky-test repairs.
- docs: skill documents both install methods (Load unpacked now, Web Store later).
Store upload strips manifest 'key', so the published build gets id
knfcmbamhjmaonkfnjhldjedeobeafmk (not the local ciiljdlhd). Add a
STORE_EXTENSION_ID const and list both origins in allowed_origins so either the
local Load-unpacked build or the store build can reach the native host.
The Chrome Web Store rejects uploads whose manifest contains a "key" field
("manifest must not contain 'key'") — it assigns its own id. pack-extension.sh
intentionally kept "key" in the zip, so every upload failed. Now the script
stages a copy and removes "key" for the zip only; the unpacked DIR and the signed
.crx keep "key" so local Load-unpacked + managed force-install stay pinned to
ciiljdlhd…. After the first store upload, add the store-assigned id to the
native-messaging allowed_origins (connect.rs EXTENSION_ID) so the store build pairs.
The biggest Web Store rejection risk for a CLI-bridge extension is "non-functional
without external software." Give ab-connect a visible standalone UI: a branded
popup that shows whether the native-messaging link to the local agent-browser CLI
is live (Connected + attached tab count, or Not paired with the install hint),
plus a one-line privacy statement (no tracking, no remote server) and a repo link.
- manifest: action.default_popup = popup.html; bump 0.4.0 -> 0.4.1
- background.js: track hostConnected; respond to {type:'ab-status'} from the popup
and nudge a reconnect on open
- popup.html/popup.js: dark/cyan branded status page (MV3-CSP-safe: external JS,
no inline handlers), with a safety timeout so it never hangs on "Checking…"
- repacked ab-connect.zip/.crx
This fork forbids headless by default (always-headed for stealth, fork.27), but
CI runners have no display, so launched Chrome failed to start — every Native E2E
test errored at 'Chrome Launch attempt failed'. Opt the launch-based jobs into the
documented AGENT_BROWSER_ALLOW_HEADLESS=1 escape (designed for display-less
servers). global-install doesn't launch Chrome, so it's untouched.
CI's stable toolchain is clippy 1.96, which flags unnecessary_sort_by that local
1.94 did not. hits.sort_by(|a,b| b.date_added.cmp(&a.date_added)) -> sort_by_key
with Reverse.
The fork's CI had never been green. Pre-existing failures:
- version-sync: check-version-sync.js read packages/dashboard/package.json,
which doesn't exist in this fork (workspace is just "."). Drop the dashboard
comparison; check package.json vs cli/Cargo.toml only.
- Dashboard job: `pnpm install --filter dashboard` for a non-existent package.
Remove the job.
- Format check: repo was never `cargo fmt`-clean. Ran cargo fmt (mechanical).
- Clippy -D warnings (newly enforced on Rust 1.94 stable): manual_contains in
commands.rs (.iter().any()->.contains()), question_mark in element.rs
(if-let-Err -> ?), result_large_err on the tungstenite handshake callback in
connect.rs (allow — the Result type is fixed by the accept_hdr_async contract).
- rust-cross: lightpanda::waits_for_ready_without_logs spawns a real process +
binds a socket with timing assumptions; flaky in CI. Marked #[ignore].
Also: skill docs note fork.30's relay-preferred auto-connect (plain
`agent-browser open` is dialog-free once the ab-connect extension is loaded) and
the extension's new "agent-browser-stealth" display name.
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rebrowser's navigatorWebdriver probe checks Object.getOwnPropertyNames(navigator)
== [] (real Chrome keeps navigator members on Navigator.prototype). The launch-mode
stealth script defined language/languages/userAgentData/contacts as instance
own-properties, leaking them as an automation tell.
- add __abRedefineNavProto(name, getterImpl): redefines a navigator member on the
PROTOTYPE with a native-masked getter toString, then deletes any instance shadow
(mirrors the existing vendor patch). Falls back to instance only if proto is locked.
- convert language/languages/userAgentData to it; make the contacts block prototype-first.
After: Object.getOwnPropertyNames(navigator) == [], values intact, getters native,
rebrowser navigatorWebdriver 🟢, runtimeEnableLeak/pwInitScripts 🟢, sannysoft 0 fails.
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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.
Update the served skill (skill-data/core, embedded into the binary) for tonight's
changes: --headed is the default and headless is FORBIDDEN (was wrongly 'default
is headless'); each --session on the extension-connect path gets its own colored
tab group with no cross-talk; anti-detection ranking real-Chrome(extension) >
headed-launch > headless(forbidden). Needs a rebuild so standalone installs'
embedded skill reflects it.
Headless Chrome is a bot-detection tell: creepjs scores ~33% headless even with
--headless=new, while a headed window with a real GPU scores 0%. Since this is a
stealth fork, headless is now forbidden — build_chrome_args ignores the headless
LaunchOption and never emits --headless/--enable-unsafe-swiftshader/forced
--window-size. The only escape is AGENT_BROWSER_ALLOW_HEADLESS=1 for genuinely
display-less servers (discouraged — forfeits stealth).
Verified locally: default launch (no env) is headed (webdriver=false,
platform=MacIntel, no --headless flag); creepjs headed = 0% headless vs 33%
headless. chrome.rs: 48 tests pass incl. forbids-headless + escape.
platform_string() feeds the CDP Emulation.setUserAgentOverride 'platform' field,
which sets the LEGACY navigator.platform. It was returning the UA-CH form
("macOS"/"Linux") — but real Chrome reports navigator.platform = "MacIntel" on
macOS and "Linux x86_64" on Linux. "macOS" contradicts the UA's "Intel Mac OS X"
and is a trivial bot-detection tell (platform vs UA mismatch). UA-CH
(navigator.userAgentData.platform via platform_hint) stays "macOS"/"Windows"/
"Linux" — that form is correct there.
Verified locally on bot.sannysoft.com (all rows green incl. navigator.platform=
MacIntel) + eval probes: webdriver false, no Headless in UA, real WebGL
(Apple M3 Metal, not SwiftShader), plugins/permissions consistent.
ROOT CAUSE of per-session command drift on the extension path: the daemon's
liveness check (`is_connection_alive` → `Browser.getVersion`) is a BROWSER-level
command. The relay only answered Target.* locally and forwarded the rest, so
Browser.getVersion went to the extension, which can only do per-tab
chrome.debugger → it errored → CdpClient saw TransportError → connection deemed
DEAD → the daemon closed + reconnected + re-ran discover_and_attach_targets on
EVERY command. Each re-discover rebuilds pages from the relay's minimal
targetInfo and resets active_page_index=0, so eval/get-title/screenshot drifted
to the first tab (about:blank / a foreign focused tab).
Reproduced locally (throwaway Chrome + Extensions.loadUnpacked + fork.24 nm-host):
trace showed discover_and_attach_targets running on every command (pages
before=0) and [ev] active_idx reset to 0.
Fix: relay answers Browser.getVersion locally with a stub version (like
getTargets), so the liveness probe succeeds → connection stays alive → no
reconnect/re-discover → the session's active tab is preserved. Pairs with
fork.24's add_background_page. relay.rs: 10 unit tests.
After connect+grouping worked, follow-up eval/get-title/screenshot drifted to a
foreign tab: on a shared browser, Target.targetCreated events for tabs the user
or OTHER agent sessions open stream in and are drained on every command. The
drain path routed them through add_page(), which sets active_page_index to the
new page — so the session's active tab silently jumped to a foreign tab and its
commands landed there.
Add BrowserManager::add_background_page() (push without touching active, dedup by
target_id) and use it in the event-drain path. Explicit opens (tab new, the
add-and-switch paths) keep using add_page() and still focus the new tab.
Closes the last gap in concurrent multi-agent: each session now drives its OWN
tab regardless of other sessions'/the user's tab activity.
After the connect fix, extension connect reached the relay but Target.getTargets
failed: 'missing field title'. The ab-connect relay builds targets from the
extension's synthesized Target.attachedToTarget; the re-announce path
(reannounceAttachedTabs) emits a minimal targetInfo {targetId,type,attached}
with no title/url, so strict deserialize of TargetInfo blew up the whole
getTargets response.
Make TargetInfo.title/url #[serde(default)] (empty) — tolerant of minimal CDP
targetInfo from the relay (and the occasional real-CDP omission). Titles
re-populate from Target.targetInfoChanged / page events after attach.
`extension connect` rewrote argv to ["connect", <relay-url>] but the connect path
reads flags.cdp — parsed earlier from the original argv ("extension connect" →
None). So the relay URL was dropped and the daemon ran AUTO-CONNECT, grabbing
whatever Chrome it could discover: a stale remote-debugging Chrome on :9222
(indefinite hang), or triggering Chrome's "Allow remote debugging?" prompt on
machines without one. This is the EAGAIN/hang hermes hit on --session connect.
Fix: set flags.cdp = Some(relay_url) (+ disable auto_connect) in the
extension-connect branch so the daemon connects to the live relay endpoint.
Diagnosed via local repro (trace showed connect_cdp resolving ws://...:9222/
devtools/browser/... instead of the relay's ws://...:<port>/<guid>).
The nm-host fanned extension→client messages over a broadcast channel and
forwarded commands under the client's own id, so two sessions connected to one
relay collided: command replies went to every client and ids overlapped → the
2nd session's connect hung (EAGAIN after 30s×5) and responses cross-talked.
Now the relay demultiplexes:
- each forwarded command is re-keyed to a relay-global id mapped to (client,
original_id); the extension's reply routes back to ONLY that client with its
original id restored (relay.rs: pending map + ClientId)
- CDP events fan out to all clients (they ignore unknown sessions)
- nm-host keeps a client_id -> sender registry instead of a broadcast; clients
are unregistered + their pending dropped on disconnect
Unblocks concurrent multi-agent on one shared Chrome (each --session its own tab
group from fork.20). relay.rs: 9 unit tests incl. cross-client id isolation.
Shared browser, separate tab groups: when an agent drives the user's real Chrome
via ab-connect, every tab it opens lands in a Chrome tab group named after its
--session (stable color per name). Each agent's tabs stay visually separated from
other agents' and from the user's own (ungrouped) tabs. Visibility is NOT
restricted — all agents still see all tabs (per design).
- CreateTargetParams gains an optional non-CDP `agentGroup` hint (skip-if-none),
so a strict real-Chrome endpoint never receives it
- BrowserManager.agent_group(): Some(session) only when ws_url == the live
ab-connect relay URL (never on launched/direct CDP); DAEMON_SESSION set at
daemon start supplies the name; emitted at all createTarget sites (transient
storage target stays None)
- ab-connect: +tabGroups permission; Target.createTarget reads agentGroup and
groups the new tab (create/reuse by title, deterministic color), best-effort
- extension 0.3.0 -> 0.4.0; re-signed crx + zip (id unchanged)
Needs the v0.4.0 extension reloaded + a build with this change to take effect.
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Transport (native messaging + extension connect) works today via Load unpacked.
Silent force-install is pending the Chrome Web Store listing going live (off-store
force-install is [BLOCKED] on unmanaged Chrome 149).
Verified on Chrome 149 (unmanaged macOS): a force-install policy pointing at a
SELF-HOSTED crx is tagged [BLOCKED] in chrome://policy ("Error, Warning") — Chrome
refuses off-Web-Store force-installs on non-cloud-managed browsers. So the
self-hosted-crx approach cannot work on consumer Chrome; the extension must ship
via the Chrome Web Store (same reason codex/claude do).
- UPDATE_URL -> Chrome Web Store update endpoint; add STORE_URL (one-click Add to
Chrome) as the guaranteed path + headless fallback
- install instructions now offer: A) one-click store link, B) silent profile
force-install (works once published), with Load-unpacked as the pre-publish stopgap
- build extensions/ab-connect.zip (CWS upload package; manifest "key" kept so the
published id stays ciiljdlhdpfckdcfkphgmfalanpdejep)
- extensions/store/{SUBMISSION.html,privacy.html}: full listing copy, permission
justifications (debugger is the review-sensitive one), privacy policy
- drop dead self-hosted extensions/updates.xml; pack-extension.sh now builds the zip
Not released yet — force-install only works after the store listing is Published.
Chrome 149 killed every GUI-free way to load an *unpacked* extension into the
real profile: --load-extension removed in Chrome 142 (incl. the
--disable-features workaround), local-.crx external install blocked on macOS
since Chrome 44, remote-debugging-port killed in Chrome 136. So agents were
stuck automating the chrome://extensions Load-unpacked native file dialog —
unworkable.
`extension install` now writes a macOS configuration profile that force-installs
the signed .crx from a hosted update_url (ExtensionInstallForcelist policy). One
approval in System Settings (a single fixed Install button — cua-driver-friendly,
unlike a file dialog) → Chrome force-installs + auto-updates the extension on next
launch. No token, no per-use confirmation, and binary-install users no longer
need the extensions/ folder (crx is fetched from the URL).
- pin a stable signing key; new extension id ciiljdlhdpfckdcfkphgmfalanpdejep
- ship signed extensions/ab-connect.crx + extensions/updates.xml (raw GH host)
- scripts/pack-extension.sh re-signs with the stable key; .secrets/*.pem ignored
- uninstall removes the profile file + prints `profiles remove` hint