Jinjing 72f534ba21 fix(ssh): handle owner displacement and graceful shutdown (#12367)
* fix(ssh): handle owner displacement and graceful shutdown

SSH connections can reconnect with valid session proof after network loss or
device sleep. When the incumbent owner is still half-open, allow the
reconnecting client to displace it outright rather than wait for socket closure
— a window that may never close. Retain displaced deliveries for the new owner
to rotate. During app shutdown, drain SSH sessions without terminating recovery
operations, and retry pending owner grants in case a replacement commits mid-drain.

* fix(ssh): handle owner displacement and graceful shutdown

Make QuitTeardownStartGate a shared singleton so SSH connects use the
same shutdown fence as the main quit path. Track test-connection probes
to ensure they complete before final teardown. Guard owner displacement
to prevent stale owners from clearing recovery state claimed by newer
owners.

* fix(ssh): fix flaky test sync and add error code safety check

Test was using tick-based Promise.resolve() loops which don't guarantee
the async operation has started. Replace with signal-based synchronization
that waits for the actual lease flush. Also add nullish-coalescing to
error code check to prevent crashes if error is null or undefined.

* fix(ssh): fence reset transport opens during shutdown

* fix(ssh): keep recovery leases stable across reconnects

* fix(ssh): close transports owned by cancelled connect attempts

When a connect is cancelled after its transport has opened, that cancelled
attempt still owns the transport and must close it — otherwise it leaks. Add
disconnectConnection() to close by identity (not by target ID) so a cancelled
attempt closes only the transport it minted, without tearing down its
replacement's live transport. Track priorConnection to detect whether this
attempt opened a new transport or reused an existing one, and close only on
abandonment if this attempt owns the session.

* fix(ssh): fence old owner proofs and close superseded transports

When an owner reconnects with a new proof while an old one is still live,
the old proof is now fenced with SUPERSEDED_ERROR instead of retrying
indefinitely. The relay also closes stale transports to signal that their
recovery generation has been overtaken by a newer one.

This ensures overlapping reconnect scenarios complete with the newest proof
rather than getting blocked by stale recovery attempts.

* fix(relay): re-pin stdin/stdout fds after closing to prevent recycling

When the relay closes stdin/stdout to signal EOF to the SSH peer, the OS
can recycle those fds (0 and 1) for new sockets or files. If Node still
treats process.stdin/stdout as those numbers, subsequent operations
corrupt socket clients and trigger shutdown errors. Re-pin the fds by
opening /dev/null to keep them occupied and prevent recycling.
2026-08-04 01:44:59 -07:00
2026-07-11 20:53:20 -07:00
2026-05-04 20:42:03 -07:00
2026-03-16 22:27:51 -07:00
2026-03-28 10:19:14 -07:00
2026-08-03 21:22:26 +00:00

Orca 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.

Download Orca

Orca desktop app running agents in parallel worktrees, with the Orca mobile companion app in the corner

Features

Mobile Companion

Monitor and steer your agents from your phone — get notified when an agent finishes and send follow-ups from anywhere.

iOS App Store · TestFlight · Android APK 0.0.36 · Docs →

Orca desktop with the mobile companion app

Parallel Worktrees

Fan one prompt across five agents, each in its own isolated git worktree — compare the results and merge the winner.

Docs →

Parallel worktree orchestration

Terminal Splits

Ghostty-class terminals with WebGL rendering, infinite splits, and scrollback that survives restarts.

Docs →

Terminal splits

Design Mode

Click any UI element in a real Chromium window to send its HTML, CSS, and a cropped screenshot straight into your agent's prompt.

Docs →

Embedded browser and Design Mode

GitHub & Linear, Native

Browse PRs, issues, and project boards in-app — open a worktree from any task and review without a context switch.

Docs →

GitHub and Linear task workflows in Orca

SSH Worktrees

Run agents on a beefy remote box with full file editing, git, and terminals — auto-reconnect and port forwarding included.

Docs →

Remote worktrees over SSH

Annotate AI Diffs

Drop comments on any diff line and ship them back to the agent — review, edit, and commit without leaving Orca.

Docs →

Annotate AI-generated diffs

Drag Files to Agents

VS Code's editor with autosave everywhere — drag files or images straight into an agent prompt.

Docs →

Drag files and images into an agent prompt

Orca CLI

Agents drive Orca too — script every workflow with orca worktree create, snapshot, click, and fill.

Docs →

Script Orca from the CLI

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 logo Claude Code   Codex logo Codex   Grok logo Grok   Cursor logo Cursor   GitHub Copilot logo GitHub Copilot   OpenCode logo OpenCode   MiMo Code logo MiMo Code   Amp logo Amp   OpenClaude logo OpenClaude   Antigravity logo Antigravity   Pi logo Pi   oh-my-pi logo oh-my-pi   Hermes Agent logo Hermes Agent   Devin logo Devin   Goose logo Goose   Auggie logo Auggie   Autohand Code logo Autohand Code   Charm logo Charm   Cline logo Cline   Codebuff logo Codebuff   Command Code logo Command Code   Continue logo Continue   Droid logo Droid   Kilocode logo Kilocode   Kimi logo Kimi   Kiro logo Kiro   Mistral Vibe logo Mistral Vibe   Qwen Code logo Qwen Code   Rovo Dev logo Rovo Dev   + any CLI agent


Install

Desktop — macOS, Windows, Linux

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

Pair with your desktop app to monitor and steer your agents from your phone.


Community & Support

  • Discord: Join the community on Discord.

  • Twitter / X: Follow @orca_build for updates and announcements.

  • WeChat: Scan to join the Orca community WeChat group 7.

    WeChat group 7 QR code for the Orca community
  • Feedback & Ideas: We ship fast. Missing something? Request a new feature.

  • Privacy: See the privacy & telemetry docs for what anonymous usage data Orca collects and how to opt out.

  • Show Support: Star this repo to follow along with our daily ships.


Developing

Want to contribute or run locally? See our CONTRIBUTING.md guide.

Orca contributors

GitHub star history chart for stablyai/orca

Signed Builds

Windows code signing sponored/provided by SignPath.io, certificate by SignPath Foundation.

License

Orca is free and open source under the MIT License.

S
Description
Orca is the ADE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop, mobile and remote runtime.
Readme MIT
2.3 GiB
Languages
TypeScript 95%
JavaScript 4.3%
Swift 0.2%
HCL 0.1%
CSS 0.1%