`buildPtyTerminalSummary` decided `orphaned` from the PTY record's agreement with itself — `!pty.tabId || !pane || pane.tabId !== pty.tabId`. A record whose `paneKey` still parses to its own `tabId` passes that forever, including long after the session graph dropped the pane, so a terminal that had lost its surface reported `orphaned: false, connected: true, writable: true` and a `tabId` no tab has: field-for-field identical to a healthy one (#18191). Consult the leaf topology instead, gated on a graph statement having had the standing to contradict the record. `graphSequence` counts authoritative graph statements; every statement re-records the surface of every pane it publishes, so a pane the current graph holds carries the current stamp and is answered without touching the leaf map. That covers the two absences that are not evidence, without a second flag: a surface recorded since the last statement (spawn records the pane before the graph carrying it arrives, #7587), and a lost graph clearing every leaf at once without advancing the sequence. A pane already observed dropped keeps its stale stamp and stays named, because losing the ability to re-check is not a reason to un-see it. `orphaned: true` is shipped vocabulary that both consumers already read, so no capability gate is needed: adoption keys on it (`hasStrongOrphanIdentity`) and now reaches this population, and the duplicate-surface index (`indexLiveTerminalSurfaceOwners`) stops recording a destroyed pane as a PTY's live owner.
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 0.0.48 · Install guide
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 8. Group 8 may be full; if so, scan the Group 9 QR code instead.
-
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.
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.
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.












