Follow-up to #106480. Sites that ask for a code after the password stopped
the agent cold: the login classifier excludes one-time-code fields on
purpose (a password must never land in an OTP box) and there was no tool
for the second step, so the only move was to ask in chat.
browser_vault_enter_code
Fills the one-time code the current page asks for. Two sources, same
invariant as passwords (the code goes to the page over the supervisor
socket and never enters model context):
- a TOTP seed on the login: local vault `otp_secret` (RFC 6238, stdlib,
verified against the RFC test vectors), 1Password `op item get --otp`,
Bitwarden `bw get totp`. Nobody is asked.
- no seed: the surface prompts "Verification code for {site}"; the user
types what their phone/email/app shows. Enter on empty / Skip declines
and the tool returns code_declined ("do not ask again this turn").
no_code_field tells the model the site wants a passkey / hardware key /
app approval: hand it to the user's device and wait for navigation.
Per-digit OTP boxes (maxlength=1 pattern) get one digit each in DOM order.
Surfaces
CLI: sudo-style panel, code shown as typed (not a secret worth masking,
typos must be visible), Enter submits, ESC/empty skips.
Desktop: "Verification code for {site}" card via vault.code.request /
vault.code.respond (gateway), owner-routed like the other vault prompts.
Settings → Passwords & Logins: optional "Authenticator key" field on the
add form (base32 or otpauth:// link); items with one show a "2FA auto"
badge. `hermes vault add` asks for the same optional key.
browser_vault_fill's result now says what to do next ("if the site asks
for a verification code, call browser_vault_enter_code with this handle").
Six locales.
Verified live (real model, local 2FA site that checks the TOTP; CLI PTY):
A. login saved with authenticator key → signed in through 2FA, zero
prompts, code/password absent from the transcript
B. login without key → code panel → user types code → signed in
C. panel dismissed → agent stops and explains, never asks in chat
Unit: RFC 6238 vectors, seed normalisation, mint-without-asking, per-digit
spread, decline, no-code-field; Desktop card test (owner routing, trim, Skip).
Found by using the feature as a user (natural prompts, real sites, CLI PTY + native Electron), not by naming tools:
- browser_vault_save_login was registered but never offered: toolsets.py is a hand-maintained list. Added, with an
invariant test that every registered browser_vault_* tool is in the browser toolset.
- Vault tools were absent on the DEFAULT backend (Browser Use): the gate deferred to check_browser_requirements(),
which is False by design there. Gate = is_browser_use_cli_mode() or check_browser_requirements().
- The model typed a page-shown demo password with browser_type and offered to take one in chat: the vault rules
lived only on the vault tools. browser_type/browser_exec now carry a vault note when the vault tools are
present ("call browser_vault_list first … never type a password with this tool, never accept one in chat, even
if the page shows it"); the browser_exec login-wall line points at the vault instead of "ask the user".
- On Browser Use the saved item was bound to chrome://new-tab-page: the supervisor's default page session is the
daemon's blank tab. browser_vault_save_login now focuses the tab holding a password field before reading its
origin (focus_page("", accept=probe); about:/chrome: pages are never candidates). Live E2E leg added.
- Settings row: "identifier · Added <date>", origin omitted when it duplicates the label.
Live (real model): CLI on Browser Use — first visit prompts, signs in, saves; second visit fills silently; GitHub
decline (Enter or ESC) stops the agent, which refuses chat passwords. CLI on the built-in stack — same three
scenarios pass. Desktop native Electron — same three scenarios plus Settings list/remove pass. Password never in
a transcript, UI, or a file outside vault/.
Nobody should have to learn `hermes vault add` or find a toggle before "log into GitHub" works.
- browser_vault_save_login: when the agent reaches a sign-in page with no saved login it asks the user
on THEIR surface (CLI two-step panel on the sudo modal: identifier shown, password masked; Desktop
card with labelled Email/username + Password fields). The answer goes to the encrypted vault bound to
the page origin and is filled at once; the model gets back only the handle and identifier. Declining
returns save_declined; headless sessions get prompt_unavailable. Never a password in chat.
- Vault tools ride with the browser toolset (check_browser_requirements) instead of appearing only once
the vault has items — an empty vault is exactly when save_login is needed. browser_vault_list hints
at it when empty.
- 1Password / Bitwarden are login sources as soon as their CLI is installed; `vault.<name>.enabled`
is opt-OUT only. Settings shows Detected/Locked/Unlocked/Off/Not detected with a switch only for
installed managers; `hermes vault sources` reports detection, `--disable`/`--enable` flip the opt-out.
- Desktop nav/page renamed "Passwords & Logins"; empty state tells the user they do not need to add
anything; all five locales updated. Docs rewritten from "how it works" to "say log into X".
- New per-thread SaveLoginPrompt callback (agent/vault_backends/unlock.py) installed beside the unlock
prompt on every CLI site and the gateway bridge (vault.save_login.request/respond/expire), propagated
to worker threads via tools.thread_context.
Live: CLI PTY (real model, packaged Chromium, local login server) — panel shown, identifier + masked
password typed, server received the correct password, password absent from terminal transcript and
from every file under HERMES_HOME outside vault/. Native Electron (headless, isolated HOME/HERMES_HOME,
own Vite + CDP port) — card shown, "Save & sign in", server received the password, Settings lists the
saved item, password absent from the rendered UI.
Found by a model-driven live run (hermes chat -q against a real login page): the agent found the
vault tools, typed the identifier, then failed twice for reasons the direct-call E2E could not see.
- The three schemas spelled their arguments `input_schema` (Anthropic shape). The registry and every
provider adapter read `parameters`, so the model was shown browser_vault_fill with NO arguments and
called it with an empty handle. Renamed; a registry-wide invariant test now fails on any schema
without `parameters`.
- A local built-in session (agent-browser --session) carries no cdp_url, so nothing ever started a
supervisor for it and the fill refused with supervisor_required. _ensure_supervisor asks the daemon
for the packaged Chromium's endpoint (`get cdp-url`, carries no secret) and attaches on demand; the
fail-closed test now pins that the daemon is only ever asked `get`, never handed an eval with the
password.
Live: same run after the fix -> browser_navigate, browser_vault_list, browser_type, browser_vault_fill,
browser_click; the test server received the correct password; landing title "Welcome"; the password
string is absent from the whole transcript.
payment and address items could be stored (CLI wizard, Desktop dialog) but nothing could
fill them: a dead surface holding real card numbers. browser_vault_fill now handles all
three kinds through the same origin-bound, supervisor-only, redacted path:
- classify_checkout_control / select_checkout_fills map WHATWG autocomplete tokens
(cc-number, cc-exp[-month|-year], cc-csc, address-line1/2, address-level1/2, postal-code,
country-name) with label/name heuristics as backup; a combined "MM/YY" control gets
exp_month+exp_year and suppresses the split fills; inspection now covers <select>
(country, state, expiry month) and the fill script picks an option by value or text.
- Every payment fill goes through request_elicitation_consent (gateway button round-trip
or CLI panel) before a byte is written; declined → payment_declined, headless sessions
are refused. A prompt injection that reaches a checkout can ask, not spend. Card values
join the redaction registry like passwords; the result lists targeted field tokens only.
- Origin is now required for every kind (CLI wizard asks; Desktop dialog always shows the
field) because a card without a bound origin is unfillable.
- The tool descriptions, docs and CLI copy drop "Phase 1 / login only".
Live (evals/vault_fill_live_e2e.py, real browser_exec + packaged Chromium): decline writes
nothing; accept fills card/expiry/CVC on the /checkout tab, leaves the email box and the
country <select> untouched, and neither the card number nor the CVC appears in any result.
browser_vault_tool also: focuses the tab on the bound origin holding the right form before the
origin pre-check (focus_page from the previous commit); tool descriptions say "the browser's
input tool" (rewritten per session by model_tools); _check_vault_available is registered
uncached because its answer is per profile (vault dir + config) and the probe is a file stat.
Manager tokens: lock generation fence (a Lock acknowledged while `bw unlock`
/ `op signin` is still running discards the late token); tokens record the
unlocking gateway session and are released when THAT session ends, not when
any sibling session in the profile is torn down.
1Password: OP_CONNECT_HOST/TOKEN come from the profile's scoped secret store
like the service token (Connect outranks a service token inside op), never
from the launch environment.
Vault RPCs bind params.profile (home + secret scope) so a shared remote
backend serving several profiles locks/lists/unlocks the requested one;
unknown profile → RPC error, not a crash.
Fill target: inspection stamps are `<nonce>:<index>`; a fill resolves only
its own inspection's stamps, so an interleaved second inspection can no
longer redirect A's password into a newly mounted field (real Chrome: 0
filled, both fields empty).
Desktop Settings: every RPC goes through the owner profile's socket
(requestGatewayForProfile), query keys carry (connection, profile), an owner
change closes dialogs and wipes drafts (a master password typed for A is
never submitted to B; a late list from A never paints under B), and vault.add
secrets travel in a ref consumed by the mutationFn instead of mutation
variables. Three owner-routing invariant tests on the real component.
Docs/PR body: session-scoped release, lock-race semantics, bw --passwordenv.
The browser vault now draws from three login sources behind one handle
shape: the local encrypted vault (vault_…), 1Password Login items (op:…)
and Bitwarden Password Manager logins (bw:…). browser_vault_list aggregates
metadata across them; browser_vault_fill routes by prefix and resolves the
password at fill time only, through the manager CLI.
External managers are locked until the user unlocks them for the current
session. The new browser_vault_unlock tool (and the fill path, implicitly)
asks the surface to show a masked master-password prompt — CLI panel
(reuses the sudo panel state), TUI/Desktop via a vault.unlock.request
blocking card. The password goes to `op signin --raw` / `bw unlock --raw`
on stdin, never argv or env; only the session token is kept, in memory,
with a 30-minute idle TTL, cleared on session close or `vault.lock`.
Headless contexts (cron, webhook, api_server, -q) can never prompt: the
manager is reported as locked with unlock=unavailable_in_this_session and
fill refuses — the same posture approvals take where nobody can answer.
Config: vault.onepassword / vault.bitwarden {enabled, binary_path, …};
a 1Password service-account token skips the prompt for headless use.
RPC: vault.sources, vault.source.set, vault.unlock, vault.lock for Settings.
Tests (2, real subprocess against a fake bw; each proven red by sabotage):
headless never prompts or spawns; unlock feeds stdin only, token never
enters os.environ, fill routes by prefix and the password only reaches the
fill script.
Consolidated re-apply of #96988 onto current main. Ported from
Merit-Systems/OpenInstinct (MIT) opaque-handle autofill design: the model
sees vault handles + login metadata, the password is resolved and filled
server-side over the supervised CDP socket, and filled values are scrubbed
from every browser tool result by an unconditional redaction registry.
Rebase adaptations to the Sep-2026 facade/sibling layout:
- toolsets: one _HERMES_CORE_TOOLS entry (the browser toolset derives from it)
- hermes_cli/main.py: vault parser registered via the subcommand owner table
- file_safety: vault/ joins the _READ_DENIED_DIRS credential-dir table
- redact: registry scrub runs before the redact_secrets early-return
- browser_vault_tool: _run_browser_command now lives in browser_tool_session
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