Ruling 2's pin. `binaryEventEnvelopeBytes()` sizes the mobile view's device scale from a skeleton it builds itself, and until now its only check was another skeleton of the same shape in the same file: two copies of one assumption agreeing with each other. This measures the real thing. A frame with CDP's nine metadata fields and a real `Page.screencastFrame` timestamp, encoded by C6.1's `encodeBridgeScreencastFrame` and serialized by the real `BridgeHostSubscriptions`, posted through the host harness: 303 bytes besides the image, against a bound of 516. Held above is not enough on its own — 213 bytes of slack is room for the shell to grow the envelope by a field the page never hears about — so the bound is reconstructed exactly instead. Every byte of that slack is a number this frame prints narrower than a double can; adding those back gives 516 on the nose. The budget cases run a generated noise image at the budgeted scale, not a committed fixture: the worst case is the image JPEG compresses least, and a photograph sits a tenth of the way to it. 901,161 px at 0.545 bytes per pixel is 491,132 bytes, which the shell posts at 654,857 of the 655,360-byte cap. One envelope more and the shell drops it, which is ruling 1 read from the budget's side. Red first, two ways. Drop the metadata widening from the bound and three cases fail, the sharpest being the real shell answering the frame the page thought it could send with zero posts. Add a field to the shell's own envelope and the reconstruction fails at 516 against 548, where the existing suite stays green on all 14 — which is the drift this file exists for. Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb
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 0.0.50 · 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.












