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Neil
2531dc9d5a
* fix(runtime): bound the remote-runtime connect against an unreachable host A host that is powered off or firewalled black-holes the TCP SYN, so the remote-runtime WebSocket neither opens nor errors. The Node-side transports set no connect bound, leaving the caller's whole-request timeout as the only one: every `orca <cmd> --environment <unreachable>` sat silent for 60s before failing with a generic `runtime_timeout`. Measured on an unreachable paired host (win-lowspec, SYNs dropped): terminal list / worktree list / repo list / status each took 60.19-60.26s; the same command against a reachable host answered in 0.24s. So this was the shared transport, not one command. Pass `handshakeTimeout` at the three shared remote-runtime WebSocket construction sites, which `ws` applies across TCP connect and the HTTP upgrade. The value matches the bound the browser transport already used. The failure keeps code `remote_runtime_unavailable` so the existing transport-loss classification in terminal-process-inspection still applies, and the message names the endpoint and stops at "unverifiable" — per docs/reference/ssh-execution-boundary.md, loss of contact is never evidence that the host's work stopped. * fix(relay): bound the control socket's connect phase at the transport The relay control socket was constructed with no `handshakeTimeout`, the same gap fixed for the remote-runtime transports. It was not a live defect: the class-level `connectDeadlineMs` (15s) also covers a stalled connect, and that deadline does fire — its `unref()` is safe because the pending TCP connect is itself a ref'd libuv handle that holds the event loop open. Measured in a bare Node process: unref'd timer with an empty loop never fires (exit at 0ms), but the same timer alongside a black-holed connect fired at 2003ms. It was a defect waiting on a refactor. The two bounds cover different phases, and the class deadline covers the connect phase only incidentally. DO NOT REMOVE EITHER BOUND AS REDUNDANT. They are not. Proven by mutation: - Remove the transport bound -> a stalled *connect* falls through to the class deadline, rejecting with `relay_control_connect_timeout` after the full deadline instead of the transport error. - Remove the class deadline -> a stall during the *proving* phase (socket open, host proof never answered) is unbounded; the incumbent test hangs 30s. `handshakeTimeout` cannot see that phase at all. Reuses `remoteRuntimeConnectOptions` rather than forking a second helper, and moves the construction into `relay-control-socket-factory.ts` so a caller that needs a relay control socket gets the bound instead of re-deriving an unbounded one. `handshakeTimeoutMs` is settable apart from `connectDeadlineMs` so a test can stall the connect alone and assert which bound produced the rejection — error identity, not elapsed time. The connect-bound ratchet now covers the relay site and asserts the site still resolves, so an allowlist that silently stopped matching cannot pass vacuously. * fix(lint): carry SAFETY rationales for the connect-bound casts main tightened typescript/consistent-type-assertions to assertionStyle: never, which the rebase brings onto these added lines. Dropping the generic default is not typeable, so each cast keeps its own rationale. * fix(runtime): keep the bounded connect failure inside both message gates The connect bound's new wording dropped out of the two gates that classify remote-transport failures by message text, and those gates are the only ones that run on the path the bound made reachable. `subscribeRemoteRuntimeTransport` reports a connect failure by *rejecting* the subscribe promise, and that rejection crosses `ipcMain.handle`, which keeps only the message. The renderer then classifies it with `RECOVERABLE_MESSAGE_FRAGMENTS`. `Could not reach the remote Orca runtime at …` matched no fragment, so it read as fatal: `recovery.cancel()` and a red banner instead of a retry. Before the bound existed this case reached the 15s subscription-start timer, whose message did match a fragment, so introducing a 12s bound turned an auto-recovering pane into a dead-ended one — the #12650 shape. The same wording also fell outside `REMOTE_RUNTIME_UNREACHABLE_RE`, so the Tailscale remedy was dropped for precisely the unreachable-host failure it exists for. Keep the canonical phrase both gates already recognise rather than teaching each gate a second synonym for one condition, and pin it: the phrase is now a named constant, the corpus in `remote-runtime-transport-error-agreement.test.ts` grows the coded, hinted and code-stripped producers derived from the real helper, and a new subscribe-path test proves the connect bound (not the start timer) is what fires and that its message still classifies as recoverable once the code is gone. Verdict wording is unchanged: `unverifiable`, never a synonym for exited. Also states the bound in seconds, corrects the module comment (`handshakeTimeout` is a socket inactivity timer, so a slow-but-answering host is not cut off), and splits the subscription contract types out to stay under `max-lines`. * fix(relay): drop the duplicate connect bound on the control socket The claim that `connectDeadlineMs` cannot see a black-holed connect is false. `RelayControlClient.connect()` constructs the socket and arms `connectTimer` in the same synchronous call — `new WebSocket()` never blocks — and `expireConnect` fires from `opening` as well as `proving`. The class deadline was already a strict superset of a transport `handshakeTimeout` on that socket. It was also inert. Production passes neither option, so the transport bound was derived from `connectDeadlineMs` and both timers were 15_000, armed in the same tick; the ws timer is an inactivity timer armed on the later `socket` event, so it could not win. Its only reachable effect was changing which string a stalled relay connect rejects with, and it narrowed an existing test's 20ms deadline into a handshake bound it could race. So this removes the factory, the test-only `handshakeTimeoutMs` option and the source-grep test whose premise was wrong, and replaces them with a test that holds the real ground: a connect whose upgrade is never answered expires on the class deadline. Moving the timer arm after `open`, or narrowing `expireConnect` to `proving`, both turn it red — which is what a future reader needs before concluding the phase is uncovered and adding a second bound again. No behaviour change for a reachable relay, and none for the verdict: a stalled connect still rejects and still reaches `unverifiable`, never `exited`. * fix(runtime): stop the endpoint in the failure message from undoing the fix Putting the endpoint into the message created three problems the message itself caused. The Tailscale hint is idempotent by testing whether "tailscale" already appears anywhere in the message. That held while the message was fixed copy. Now a host called `tailscale-box` puts the word there itself, and the hint — the only actionable remedy on an unreachable host — is suppressed for it. Key the guard on the two hints instead of the word. The endpoint comes from a pasted pairing code, which is only length-capped; `normalizePairingUrl` rejects userinfo but nothing re-validates a stored offer. Render scheme, host and port only, so a pasted `wss://user:secret@host` cannot reach a surface the user reads. And drop the elapsed time from the wording. `handshakeTimeout` is a socket inactivity timer, so a `wss://` host that completes TCP and then goes silent re-arms it once and fails at about twice the bound; measured at 2008ms against a 1000ms bound. "within 12s" would have been wrong there, and the endpoint is the actionable part regardless. Also refuse a non-positive or non-finite bound: `ws` and `net` both gate on a truthy timeout, so `0` left the connect completely unbounded while still satisfying the connect-bound ratchet. * fix(runtime): keep the endpoint from smuggling a verdict into the message `isRemoteTerminalGoneMessage` in the pty transport substring-matches `terminal_gone` / `terminal_exited` / `no_connected_pty`, and it runs before the recoverable-connection gate: a match retires the pane's terminal id and cancels recovery. WHATWG URL accepts `_` in a special-scheme host, so once the failure message carried the endpoint, `ws://terminal_gone.example:6768` turned loss of contact into a terminal-gone verdict — the one conclusion `docs/reference/ssh-execution-boundary.md` forbids. Render the host only when it matches a hostname or IP-literal grammar that cannot carry such a token, and fall back to naming no endpoint at all. A well-formed host, including a bracketed IPv6 literal, is still shown. * docs(runtime): say why this connect bound is not the relay's removed duplicate
Orca
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The AI Orchestrator for 100x builders.
Run Codex, ClaudeCode, OpenCode or Pi side-by-side — each in its own worktree, tracked in one place.
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Features
Mobile CompanionMonitor and steer your agents from your phone — get notified when an agent finishes and send follow-ups from anywhere. |
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Parallel WorktreesFan one prompt across five agents, each in its own isolated git worktree — compare the results and merge the winner. |
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Terminal SplitsGhostty-class terminals with WebGL rendering, infinite splits, and scrollback that survives restarts. |
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Design ModeClick any UI element in a real Chromium window to send its HTML, CSS, and a cropped screenshot straight into your agent's prompt. |
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GitHub & Linear, NativeBrowse PRs, issues, and project boards in-app — open a worktree from any task and review without a context switch. |
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SSH WorktreesRun agents on a beefy remote box with full file editing, git, and terminals — auto-reconnect and port forwarding included. |
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Annotate AI DiffsDrop comments on any diff line and ship them back to the agent — review, edit, and commit without leaving Orca. |
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Drag Files to AgentsVS Code's editor with autosave everywhere — drag files or images straight into an agent prompt. |
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Orca CLIAgents drive Orca too — script every workflow with |
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Also in the box:
- Quick open — Search across worktrees, files, agents, commands, and repo context without leaving your flow.
- Account switcher & usage tracking — See Claude and Codex usage and rate-limit resets, and hot-swap accounts without re-logging in.
- Rich repo previews — Preview Markdown, images, PDFs, and repo docs in the workspace.
- Computer Use — Let agents operate desktop apps and visible UI when a workflow needs real interaction.
- Notifications and unread state — Know when an agent finishes or needs attention, then mark threads unread to come back later.
- And many, many more — we ship daily, so this list is perpetually behind. The changelog is the real feature list.
Supported Agents
Works with any CLI agent — if it runs in a terminal, it runs in Orca.
Claude Code
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Cursor
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Amp
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oh-my-pi
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Continue
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Desktop — macOS, Windows, Linux
- Download from onOrca.dev
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- Running
orca serveon a headless Linux server? See the headless Linux server guide.
Or via a package manager:
# macOS (Homebrew)
brew install --cask stablyai/orca/orca
# Arch Linux (AUR) — or stably-orca-git to build from source
yay -S stably-orca-bin
Mobile Companion — iOS, Android
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- iOS: Download on the App Store or join TestFlight
- Android: Download APK 0.0.48 · Install guide
Community & Support
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Discord: Join the community on Discord.
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Twitter / X: Follow @orca_build for updates and announcements.
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WeChat: Scan to join the Orca community WeChat group 8. Group 8 may be full; if so, scan the Group 9 QR code instead.
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Feedback & Ideas: We ship fast. Missing something? Request a new feature.
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Privacy: See the privacy & telemetry docs for what anonymous usage data Orca collects and how to opt out.
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Show Support: Star this repo to follow along with our daily ships.
Developing
Want to contribute or run locally? See our CONTRIBUTING.md guide.
The relay that pairs the mobile app with a desktop host is also in this repository under
cloud/, with a separate pnpm workspace and setup guide.
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Windows code signing sponored/provided by SignPath.io, certificate by SignPath Foundation.
License
Orca is free and open source under the MIT License.