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Brennan Benson
e77e1fe850
* fix(claude): guard cold-restore resume selectors Persisted Claude default args or a custom command can carry their own --resume/-r/--continue/-c selectors (a bare picker default or a stale id). Cold restore appended the authoritative --resume <id> after them, typing a command with competing selectors into the restored pane (#12982). buildAgentResumeStartupPlan now routes Claude through a selector guard that tokenizes the base with the existing startup tokenizer, strips selectors in option position only (value-taking options keep dash-leading values), and appends exactly one authoritative selector, inserting before Claude's own -- terminator when present. Splicing is span-based so untouched bytes stay verbatim, wrapper commands are left alone, and any tokenization failure falls back to the previous append-only behavior. Launch paths, other agents, persistence, and the wire are unchanged. * fix(claude): harden resume selector guard against false matches Round-1 review findings: locate the claude executable by command position (index 0, after a wrapper --, or behind NAME=value assignments) so an argument merely ending in /claude can never be mistaken for it; stop matching the joined -r<id> form, which was ambiguous with dash-leading option values and forced an unmaintainable arity table (now deleted). Ambiguous shapes degrade to the pre-guard append-only behavior. * fix(claude): fail resume guard open on chained shell syntax Round-2 review findings: an unquoted operator or newline after the claude token means the base chains other commands, and splicing across that boundary handed the selector to the wrong command — detect it and fall back to plain appending. Also recognize claude behind PowerShell's & call operator, decouple the test oracle from the implementation's selector predicate, add Windows tokenizer span tests, and rename the module after its public API. * fix(claude): flag bare shell operators inside the tokenizers Round-3 review findings: the guard's operator scan compared raw source to token value, so one quote or escape anywhere in a token hid a shell-active operator outside the quotes and the splice crossed a live command boundary, losing the resume entirely. Both tokenizers now flag tokens carrying an unquoted, unescaped operator byte (or a word-leading # comment on posix/powershell) on their spans, where quote state actually lives, and the guard fails open on that flag. Also strengthens the redirect fail-open test to carry a stale selector, re-tokenizes each raw span in the shell span tests, and documents agent-resume-argv-drop as codex-only. * fix(claude): flag expansions and clamp separator backoff Round-4 review findings: unquoted multi-token expansions (backtick, $(, ${) split across whitespace, so removing only the recognized selector token left a broken construct tail — both tokenizers now raise the span flag (renamed bareShellSyntax) for those openers, on cmd also for operators between single quotes, which cmd does not treat as quoting. The separator backoff is clamped to the previous token's span end so a token ending in an escaped space can no longer donate its escape to the appended selector. * fix(claude): treat cmd single-quoted regions as unmodelable Round-5 review finding: cmd.exe has no single-quote syntax, so the Windows tokenizer's grouping of a single-quoted region diverges from what cmd parses — literal argv like 'claude ...--resume... old' was being read as a real selector and stripped, and a literal '--' as claude's terminator. Flag any cmd single-quoted token as bareShellSyntax so the guard fails open. * fix(claude): flag quoted expansions and scope assignment prefixes Round-6 review findings: the span flag was only evaluated in the unquoted branch, so an expansion opener inside double quotes went unflagged — and inside $(…)/backticks a nested quote re-opens a context this tokenizer does not model, so the splice could cut mid-construct (syntax error, or a silently mutated substitution body). Both tokenizers now flag those, and the flag is renamed divergesFromShell to say what it means. Restrict the NAME=value command-position prefix to posix, where that syntax exists. Drops two branches proven dead. * fix(claude): model shell-literal escapes and scan the whole base Round-7 review findings: (1) the divergence scan started after the claude token, so an expansion opened in a prefix — $(x; npx -- claude --resume s) — had its closer spliced away, producing a base bash cannot parse; it now covers every token including the executable, exempting only PowerShell's leading call operator. (2) posix drops a double-quoted backslash the shell keeps literal, and the Windows escape branch ran inside quoted regions where cmd/PowerShell keep the escape byte literal — both now flagged, so a literal can never be misread as a selector. (3) an unquoted line continuation hid a selector inside a token and skipped the newline gap check. Also removes a third provably dead branch and collapses the cut floor into the cut itself. * fix(claude): flag escapes the tokenizer models but the shell removes Round-8 review findings, all one family — escapes whose token value hides a selector the shell would see: a double-quoted line continuation (bash deletes both bytes), posix $'…'/$"…" quoting, a windows escaped newline, and a trailing unpaired escape. The last one was previously written off as pre-fix-identical, but once stripping happens the dangling escape swallows the separator and no exact --resume reaches claude at all — strictly worse than appending, so it must fail open. Also folds the three gap predicates into one scan. * fix(claude): stop over-flagging a literal dollar sign Round-9 review findings from both lanes: inside double quotes only $( and ${ open an expansion — $' and $" are literal there — and a trailing $ was flagged unconditionally because JS ''.includes('') is true. Both made the guard fail open on modelable bases, leaving the stale selector to compete, so #12982 went unfixed for them. Separately, cmd strips ^ before the child re-splits on the bare whitespace, so an escaped separator hides two real arguments and must fail open rather than drop one. * fix(claude): fail open on cmd caret-quotes and bare PowerShell syntax Round-10 review findings, both Windows-only (a bash oracle cannot reach them): cmd strips a caret before a quote and the child's parser then reads a bare quote delimiter, so the tokenizer's word boundaries stop matching argv — one case turned a working resume into no resume at all, another let a stale selector survive the splice. And bare (…)/{…} are live PowerShell syntax in argument position, so splicing through them emitted unbalanced output that PowerShell cannot parse. * fix(claude): fail open on the PowerShell stop-parsing token Round-11 review finding: after a bare --%, PowerShell passes the rest of the line to the child literally, so the guard stripped a real selector and then appended quoting that arrives as literal bytes — claude ends up with no exact --resume at all, worse than leaving the stale one. Quoted "--%" and cmd, where the token is ordinary, still splice. * fix(claude): model cmd backslash-escaped quotes Round-11 review finding: an odd run of backslashes before a quote makes it a literal byte to the child's CommandLineToArgvW parser, not a delimiter, so the tokenizer's word boundaries stopped matching argv. Orca manufactures that pattern itself — quoteStartupArg wraps every token in quotes without escaping a trailing backslash — so a pasted Windows path was enough to move the selector into a desynced region and leave claude with no resume flag. Also replaces a caret test case that was byte-identical before and after its own fix, and merges two stacked comment blocks. * fix(claude): fail open on PowerShell double-quoted escape sequences Round-12 finding: PowerShell expands backtick escapes only inside double quotes, so a sequence there produces a token value argv never sees — the guard could strip "-`r" plus the argument after it. Also narrows the stop-parsing comment: a quoted --% can engage stop-parsing before a parameter token, where the base is already mangled either way. * fix(claude): flag PowerShell escape sequences in bare arguments too Round-13 finding: the previous commit gated on quote === '"', but PowerShell's tokenizer calls Backtick() from ScanGenericToken, so it expands these sequences in unquoted arguments as well — bare -`r really is a control character, not -r. The guard read it as a selector and dropped it plus the argument after it. Widening to all PowerShell contexts measures 0 under-flag and 0 over-flag across the full printable matrix; the backtick-escaped-space idiom still splices. Also swaps a test case that was byte-identical with and without its own fix. * fix(claude): drop a token-leading PowerShell backtick before whitespace Round-14 observations, all pre-existing and measured: PowerShell drops a token-leading backtick together with the whitespace after it, emitting no token, so the tokenizer's extra token shifted the locator; and a backtick before a bare CR is a line continuation too. Flagging both takes the lane's 329k-base sweep from 87 bad to 0 with no new failures and the must-splice list byte-unchanged. Also corrects a comment that no longer listed every PowerShell divergence. * docs(claude): correct the bare-CR rationale in the tokenizer comment Round-15 verified against a real PowerShell 7.6.4 engine: a backtick before a bare CR is not a line continuation there — pwsh keeps the CR in the token. The flag stays because 5.1 is unverified and failing open costs nothing, but the comment now says that rather than claiming continuation.
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
Mobile CompanionMonitor and steer your agents from your phone — get notified when an agent finishes and send follow-ups from anywhere. |
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Parallel WorktreesFan one prompt across five agents, each in its own isolated git worktree — compare the results and merge the winner. |
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Terminal SplitsGhostty-class terminals with WebGL rendering, infinite splits, and scrollback that survives restarts. |
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Design ModeClick any UI element in a real Chromium window to send its HTML, CSS, and a cropped screenshot straight into your agent's prompt. |
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GitHub & Linear, NativeBrowse PRs, issues, and project boards in-app — open a worktree from any task and review without a context switch. |
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SSH WorktreesRun agents on a beefy remote box with full file editing, git, and terminals — auto-reconnect and port forwarding included. |
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Annotate AI DiffsDrop comments on any diff line and ship them back to the agent — review, edit, and commit without leaving Orca. |
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Drag Files to AgentsVS Code's editor with autosave everywhere — drag files or images straight into an agent prompt. |
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Orca CLIAgents drive Orca too — script every workflow with |
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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
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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.