Jinwoo Hong 6e46d5ef33 feat(relay): watch a reserve cell and flip it back on the first step 5 stop rule (#28698)
* feat(relay): watch a reserve cell and flip it back on the first step 5 stop rule

A manual, inert-until-dispatched workflow samples one reserve cell every minute for up to
300 minutes against the step 5 §9 stop rules, logs one JSON line per sample, and on the
first trip (or N unreadable samples in a row) runs the flag tool's own admitMode=db write
under the flag workflow's concurrency group. dry-run logs the flag tool's plan instead.

Claude-Session: f2fe8cb5-4467-4a25-8aab-98598b70791f

* fix(relay): keep the reserve watch's flip back out of the flag group, and baseline 503s before the flip

- The flip back holds no concurrency group: GitHub keeps one pending run per group and a
  newer one cancels it. The flag tool's CAS orders it instead; a generation conflict is
  re-read and retried (5 tries, backoff) while the switch file still says reserve.
- The 503 background comes from the 10 minutes before a required flipped-at, or an explicit
  value; neither is refused.
- A failed or cancelled write-mode watch flips back too. An unreachable cell fails with the
  exact break-glass inputs.
- Missing 503 data (empty series, unpublished minute, unparseable time) is unverifiable.
- Seat-behind-row key adds the director instance and cell; six segments share one command.

Claude-Session: f2fe8cb5-4467-4a25-8aab-98598b70791f

* fix(relay): read the reserve watch's 503 publishing front from every response code

A quiet fleet has no 503 series, so the watch read it as unverifiable and flipped a healthy
cell back within minutes. The 503 read now groups request_count by response code in one
query; the newest minute any code has a point for is how far the series is published, so a
503 minute at or before it with no point is zero and minutes past it are left out.

Also: the flip-back job's steps run on always(), flipped-at ages against the watch's start
in later segments, a pending pre-flip background no longer adds to the unverifiable streak,
the flip back retries runtime-status before calling for break glass, and the concurrency
rationale lives once in the docs.

Claude-Session: f2fe8cb5-4467-4a25-8aab-98598b70791f

* docs(relay): state what a cancel during the flip-back lease wait can leave, and the 503 publish-skew assumption

Claude-Session: f2fe8cb5-4467-4a25-8aab-98598b70791f

* fix(relay): fail a segment closed on a corrupt watch state file, and keep no checkout token on disk

Claude-Session: f2fe8cb5-4467-4a25-8aab-98598b70791f

* fix(relay): alarm on a failed flip back, refuse a watch under a rollout lease, wait for reserve to apply, and control the duplicate read

- A flip back whose write or plan never finished (no ID token, a failed login, a silent cell)
  raises an ::error:: annotation and a FLIP BACK FAILED summary, as the clock-skew monitor does.
- The first segment reads the Cloud SQL rollout lease through the lease action's own reader and
  refuses to start while any run holds it, or when it cannot be read.
- A cell not yet reporting reserve is waited on for up to 10 minutes, judging nothing, before the
  watch ends refused without a write.
- The duplicate-seat read takes the per-minute ledger summary in the same query and window; with
  no fresh summary in it the sample is unverifiable, not zero duplicates.

Claude-Session: f2fe8cb5-4467-4a25-8aab-98598b70791f

* fix(relay): page on a refused reserve watch or a failed flip back

A refused watch can leave a cell in reserve and unwatched, the same as a flip back that did not
land. Both now raise an escaped ::error:: annotation through one `alarm` command, and in write
mode write orca_relay_reserve_watch_alarm with gcloud logging write. A new log-based metric and
alert policy page on any such line, per cell, through relay_alert_notification_channels, and the
deploy identity gets roles/logging.logWriter in production to write it.

Claude-Session: f2fe8cb5-4467-4a25-8aab-98598b70791f

* fix(relay): name the log-writer risk, check the alarm's project, and say a failed login cannot page

Claude-Session: f2fe8cb5-4467-4a25-8aab-98598b70791f

* docs(relay): note a force-cancel can skip the reserve-watch flip-back write
2026-10-14 20:42:27 -04:00
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 · Android APK · 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.

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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.

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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.

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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   Muse logo Muse   DeepSeek Harness logo DeepSeek Harness   ZCode logo ZCode   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   CodeBuddy logo CodeBuddy   Codebuff logo Codebuff   Freebuff logo Freebuff   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.

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    WeChat group 12 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.

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.

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.
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