Round five found the same question — can this daemon complete a hello right now? — answered in three places with three different conclusions, because 'held' had been added as a fifth branch rather than as the classification the other branches route through. Two of those answers were wrong, and both ended in no daemon at all, which is the outcome 'held' exists to prevent. - A daemon whose adoption hello had just failed was handed back tagged 'degraded-new-pty-fallback'. Init skips the lease only for 'held', so it reopened the same connection, threw, and aborted startup — leaving the agents alive but unreachable and Manage Sessions -> Restart throwing. - The pty-spawn-unhealthy arm ran first and claimed a successful hello proved adoptability, but that reading is from before the grace window. A daemon that answered at t=0 and went silent through thirty seconds of retries took that arm and threw the same way. Ask whether it is answering now, first. The budget was a comment with a Date.now() beside it: one occupancy probe could cost 50s, because the client's default is a 5s hello per connection step plus a 30s request timeout. Bound the probe explicitly, start the clock before the first one, and size the window so the whole path — health check, pid verification, loop overshoot and process-table read — fits under the startup fail-open with room to spare. Also folds the four sibling branches onto the same occupancy resolution. getAliveDaemonSessionCount was byte-identical to countLiveSessionsOverIpc, so one concept had two implementations and only one of them had been fixed. The Windows probe exclusions could never match: the warmup spawns COMSPEC, an absolute path, against an exact-equality test on 'cmd.exe /c exit'. Compare the program by basename and keep the argv tail exact. Co-authored-by: Orca <help@stably.ai>
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
Features
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
Codex
Grok
Cursor
GitHub Copilot
OpenCode
MiMo Code
Amp
OpenClaude
Antigravity
Pi
oh-my-pi
Hermes Agent
Devin
Goose
Auggie
Autohand Code
Charm
Cline
Codebuff
Command Code
Continue
Droid
Kilocode
Kimi
Kiro
Mistral Vibe
Qwen Code
Rovo Dev
+ any CLI agent
Install
Desktop — macOS, Windows, Linux
- Download from onOrca.dev
- Or grab a build directly: macOS Apple Silicon · macOS Intel · Windows (.exe) · Linux AppImage · All builds
- 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
Pair with your desktop app to monitor and steer your agents from your phone.
- iOS: Download on the App Store or join TestFlight
- Android: Download APK 0.0.42
Community & Support
-
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 7.
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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.
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.










