Neil 03264f2d82 fix(ssh): let an ephemeral runtime outrank sources we could not read
Three things, all about the same question: when we cannot see everything that
decides a host key, what does that actually license us to refuse?

1. ON-DEMAND RUNTIMES WERE REFUSED FOR A POLICY THEY COULD NEVER SATISFY.

A machine provisioned a minute ago cannot be in known_hosts, by construction —
which is why it has a carve-out at all. But the carve-out sat BELOW the
incomplete-sources check, so anyone whose HOME diverges from their passwd home
(sandboxes, our own E2E isolation) took the `-F` path, and every on-demand
runtime connection was refused, pointing at a config file the user cannot fix.

Refusing there buys nothing. No policy, seen or unseen, is satisfiable by a host
that did not exist yesterday; the trust comes from the provisioning channel. So
the carve-out now outranks it. An EXPLICIT StrictHostKeyChecking=yes still wins
over both — that one we can read, and the user asked for it.

2. THE FLAG WAS NAMED FOR ONE OF ITS TWO MEANINGS.

`siteConfigSuppressed` started as "-F hid /etc/ssh/ssh_config" and had since
grown "a known_hosts file exists and would not open" — which is not a site
config, and reading the name in the decision function told you nothing about
why an unreadable file landed there. It is `verificationSourcesIncomplete` now:
we could not see something that decides this, so do not extend NEW trust. A host
we already know still connects, because a match is decided before this is
reached, and that is now pinned by name.

3. THE COPIED ssh2 ALGORITHM LIST HAD NO DRIFT ALARM.

We reorder ssh2's default host-key proposal, which meant hand-copying a list
ssh2 exports only from a deep internal path. ssh2 throws `Unsupported algorithm`
on anything outside its supported list, so drift does not degrade — every
target stops connecting, before a socket opens, with a message about an
algorithm the user never chose. Worth knowing that the list is also built
conditionally on ed25519 support.

Kept as a literal rather than a deep import, since silently adopting a new
proposal order is the wrong default — the order is what makes type-scoped
matching safe, so a change deserves review. A test now compares it against
ssh2's real constant and checks every entry is one ssh2 accepts. Moved next to
the ordering function it feeds, and out from between the import statements.

1,488 SSH tests pass. The 3 in ssh-connection-sftp-namespace.test.ts are
pre-existing on origin/main.
2026-08-14 03:38:07 -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

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 0.0.42 · 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
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Swift 0.2%
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