Bohdan Triapitsyn 61a4a23add feat: native iOS & Android mobile apps (Capacitor) (#1954)
* feat(mobile): add Capacitor native shell

* docs: add serve-sim workflow guidance

* docs(mobile): add implementation handoff

* chore(mobile): clean up generated defaults

* feat(mobile): add connection onboarding

* feat(mobile): manage saved instances

* feat(mobile): refine connection management UI

* chore(mobile): upgrade Capacitor 8

* fix(mobile): reliable saved-instance auth with secure token storage

- store client tokens in the OS secure store (iOS Keychain / Android Keystore)
  per instance URL via direct native plugin calls; keep only token-less metadata
  in localStorage. Bound every secure call so a stalled bridge can't hang unlock.
- bypass the secure-storage JS wrapper's lazy platform load (which stalled in the
  webview) by calling internalSetItem/internalGetItem/internalRemoveItem directly.
- harden the shared connect/unlock controller (health + session + progressive
  password) and drop the heavy pre-connect hydration that stalled no-token hosts.
- await token persistence before switching runtime endpoints (no fire-and-forget).
- sync native iOS/Android projects + Keyboard/StatusBar config for Capacitor 8.

* fix(mobile): keep UI stable across connection churn (no transport hardcoding)

The "reload every ~10s" was a UX bug, not a transport one:
- MobileSurfaceShell received a fresh inline onClose each parent render, so any
  re-render (e.g. an SSE/WS event) re-ran the focus effect and refocused the first
  element — stealing focus from the active input and collapsing the keyboard
  mid-edit. onClose now lives in a ref so the focus/keydown effect depends only on
  `open`. Fixes all sheets (Instances/Files/Changes/Settings).
- Gate the mobile shell on connectionPhase, not the live isConnected flag, so a
  transient reconnect keeps MobileShell mounted instead of flashing the loader.
- Instances form: populate fields imperatively on edit/cancel/save instead of via
  an effect keyed on the derived connection, so list churn can't wipe input.

Transport stays on `auto` (WS-first with SSE fallback) — no hardcoded override, so
WS-only Quick Tunnels and SSE-capable proxies both keep working.

* feat(mobile): add native QR pairing-code scanner

Wire the connection onboarding + Instances scan buttons to a real native
scanner via @capacitor-mlkit/barcode-scanning, which registers as the
BarcodeScanner plugin the existing mobileQrScan helper already resolves at
runtime. Add NSCameraUsageDescription and bump the iOS deployment target to
15.5 (GoogleMLKit 8 requirement).

* fix(cli): repair connect-url host resolution

Define the missing isWildcardBindHost helper that connect-url called but was
never declared, which crashed any link generation that reached host
resolution. Also treat a full http(s) --host value as a public server URL so
'--host https://example.com' produces a correct link instead of
'http://https://example.com:port'.

* fix(mobile): make input follow the keyboard across all surfaces

Switch the native Capacitor Keyboard plugin to resize: 'none' and drive the
layout from an --oc-keyboard-inset CSS variable set on keyboardWillShow, which
fires at the start of the iOS keyboard animation. A transition tuned to the
native keyboard curve/duration (0.25s, cubic-bezier(0.38, 0.7, 0.125, 1)) makes
the layout rise together with the keyboard instead of snapping into place after
the built-in 'native' resize finished (~1.5s lag).

The inset is consumed by every surface that can hold a focused input:
- chat shell shrinks its height;
- portal sheets/overlays raise their bottom edge;
- the full-screen connect/login view caps its height so it actually scrolls
  (and is now generally scrollable for long saved-connection lists).

* feat(mobile): rounder chat composer + native bottom safe area

Round the mobile chat composer corners a touch more (1rem), and reserve a small
app-level bottom safe area for the native shell via the --oc-app-bottom-safe
token so controls clear the phone's rounded hardware corners. The reservation
folds into the keyboard inset (no gap above the keyboard), and the composer's
own bottom padding tightens while the keyboard is open.

* fix(mobile): remove iOS 26 dark status-bar band; polish composer

The dark band behind the status bar in system Dark Mode was iOS 26's automatic
scroll edge effect (Liquid Glass) dimming the WebView's top edge beneath the
status bar — appearance-coloured, so it tracked the system theme regardless of
the in-app theme. Hide it via UIScrollView.topEdgeEffect/bottomEdgeEffect on the
WebView's scroll view (iOS 26+), and make the WebView non-opaque so the themed
web background shows under the overlaid status bar.

Also: re-assert the status-bar overlay on resume, paint the document canvas with
the theme background in the native shell, round the composer corners to 1.5rem,
and enlarge the app-level bottom safe area so controls clear the rounded corners.

* feat(mobile): logo splash until first paint is final (no FOUT / layout shift)

Cold start flashed the fallback font and then reflowed once the real font and
persisted appearance prefs landed, and text jumped a frame after mount because the
mobile typography classes were applied from a hook effect. Fix it on three fronts:

- apply device classes (device-mobile / mobile-pointer) synchronously in
  renderMobileApp before the first React paint, so mobile --text-* sizes are in
  effect from the start;
- hold a logo splash (useFontsReady) until the UI web font has loaded;
- gate that splash on appBootReady too, resolved once async appearance/typography
  preferences are applied, plus a double rAF so styles commit before reveal.

All under a 2.5s safety timeout so a slow/offline CDN can't block startup.

* feat(mobile): native local notifications; APNs implemented but frozen

The native app now delivers agent ready/error/question/permission events as iOS
(and Android) Local Notifications: a native notifications API backed by
@capacitor/local-notifications replaces the Web Notifications API (which doesn't
display in a WKWebView), driven by the notification SSE stream now subscribed in
the mobile app. Tapping a notification opens its session. Also fix the settings
toggle, which treated the Capacitor app as a browser and gated 'Enable
Notifications' on the absent Web Notification permission, leaving it un-toggleable.

Remote APNs push is implemented end-to-end (dependency-free HTTP/2 + ES256 JWT
server runtime, token routes, client registration, iOS native config) but kept
dormant: config-gated so it never fires, client registration not wired, and the
aps-environment entitlement / background mode removed so the app builds with no
Apple push setup. It will be reused once OpenChamber ships its own encrypted
relay so users don't each configure APNs. See notifications/APNS.md.

WKWebView can't use web push (unlike an installed PWA), so true
background-when-suspended delivery on native requires APNs via that relay.

* feat(mobile): APNs relay-mode background push

Deliver native iOS background push through the central relay: the server posts
device tokens + generic, model-based text to api.openchamber.dev/v1/push/send
(default), which holds the single APNs key and signs+sends; dead tokens (410)
are dropped from the per-session store. Direct APNs (HTTP/2 + ES256 JWT) stays
as a fallback when OPENCHAMBER_PUSH_RELAY_DISABLED=true. The mobile push payload
is generic only (model + scenario) so no session content crosses the relay.

Re-enable the client token registration (useNativePushRegistration) and the
aps-environment entitlement (alert pushes need no background mode). Wired into
the same fanout as web push; focus-suppressed and only when tokens exist.

* fix(mobile): APNs-only native notifications, generic templates, no foreground

Make APNs the single notification channel for the native app and fix delivery:

- Remove local notifications entirely (the @capacitor/local-notifications plugin
  and the SSE-driven path). A WKWebView can't tell foreground from background
  (document.hasFocus() is unreliable), so local notifications leaked while the app
  was open; the in-app dispatch is no-op'd on native.
- Stop gating APNs on UI visibility — a backgrounded WebView can't report 'hidden'
  before iOS suspends it, which dropped background push. Instead always send and let
  iOS suppress the foreground banner (PushNotifications presentationOptions: []).
- Fix a ReferenceError (out-of-scope 'variables') that crashed maybeSendPushForTrigger
  before any push was sent.
- Mobile push text is generic: a scenario title ('Agent response is ready' / 'needs
  your input' / 'needs permission' / 'hit an error') + the session name, no model or
  message content.
- Hide the focus toggle, templates, and test button in mobile notification settings.

* feat(push): sign relay requests + bind tokens per server

Each OpenChamber server now auto-generates an ECDSA P-256 keypair (persisted in settings,
like the VAPID keys) and uses it to:
- bind every newly-seen device token to the server on the relay
  (POST /v1/push/register-token, signed), and
- sign every push send (publicKeyJwk + ts + signature over ts.sortedTokens.title).

The relay derives serverId = SHA-256(publicKey), verifies the signature + timestamp, and
only delivers to tokens bound to that server. Result: a leaked device token alone can no
longer be used to push to a device — the sender also needs the server's private key. Stays
zero-config (the keypair generates on first use). Drops the soft PUSH_RELAY_TOKEN bearer.

* docs(push): describe relay data-confidentiality model

Document that the push payload is not application-encrypted (TLS-in-transit only), what the
relay and Apple can see (generic scenario title + session name, plus token/sessionId), that
the signature is authentication rather than encryption, and what an end-to-end encrypted
payload would require.

* fix: invalid skill description

* feat(push): app-icon badge for native notifications

Send an absolute aps.badge with each native push = the count of distinct
collapse-ids (tag) pushed since the app was last foregrounded, mirroring the
lock-screen banner stack. Cleared server-side on user engagement (session view,
message-sent, visibility beacon) and on-device via sceneDidBecomeActive.

* feat(mobile): auto-connect last instance on launch + notification deep-links

Cold launch silently reconnects to the most-recent saved instance (when reachable
and a token is saved), holding the splash instead of flashing the connect screen;
falls back to the connect screen when there's no saved instance, it's unreachable,
or it needs a re-login. Notification-tap deep-links are now captured unconditionally
(even before connect / on cold launch) and applied once the app is ready, so a tap
opens the target session instead of being lost on the login screen.

* fix(mobile): resolve theme background before first paint on cold launch

The mobile shell entry (mobile.html) had no pre-paint theme step, so a cold
launch flashed the WebView's default light canvas, then the baked
design-system default (.dark { --background: #151313 }) via body.bg-background,
before React's theme system injected the real theme vars. Add a blocking script
that resolves dark/light from the persisted theme + system preference and sets
--background (plus color-scheme and the element background) inline on the root,
so the very first paint matches the resolved theme. Falls back to the default
flexoki backgrounds when no theme has been persisted yet.

* feat(mobile): openchamber:// deep-link foundation + arm64 simulator build

Add a typed deep-link vocabulary (deepLinks.ts: parse/build + DeepLinkIntent)
and a single native navigation layer (deepLinkNavigation.ts) that handles both
the openchamber:// URL scheme (App.appUrlOpen — widgets, Live Activities,
external links) and notification taps, normalising each into an intent. Session
and new-session resolve against the store; shell surfaces (sessions/settings/
views/changes) register handlers. Cold-launch intents stash until the app is
ready. Replaces the push-only useNativePushDeepLink and keeps backwards
compatibility with bare sessionId payloads.

Register the openchamber:// scheme in Info.plist.

Dev tooling: with-mobile-env now honours xcode-select (-p) instead of hardcoding
Xcode.app, so an Xcode beta is used. build:ios:simulator runs a new
ios-sim-build script that temporarily drops the MLKit barcode-scanning pod
(no arm64-simulator slice) so the app builds an arm64 binary installable on
Apple Silicon simulators, then restores the Podfile + Pods for device builds.
QR scanning already degrades cleanly when the native plugin is absent.

* feat(mobile): iOS home/lock/Control Center widgets + push-driven refresh

Add a Widget Extension (OpenChamberWidget) and a Notification Service Extension
(OpenChamberNotificationService), wired into the Xcode project, sharing an App
Group with the app.

Widgets:
- Overview (medium): recent sessions with read/unread dots + four quick actions
  (new, status, instances, settings).
- Sessions (large): session list with per-session project label, attention count
  and a new-session button in the header.
- Quick Actions (small): New chat pill + status/instances.
- Lock Screen (accessoryCircular x2): brand logo to new session, attention counter.
- Control Center control: brand logo (custom SF Symbol) to new session.

Data: the app writes a session-overview snapshot (attention count + recent
sessions with project labels) to the App Group on scene activate/resign; the NSE
refreshes it from each push (aps.badge + sessionId) so widgets update even when
the app is closed (needs aps mutable-content, added to the server + relay).

Deep links: add openchamber://status (session status panel) and reuse
view/instances; all widget taps route through the existing deep-link channel.

* feat(mobile): large Sessions widget lists 6 sessions with project labels

* feat(mobile): edge-swipe to switch sessions with directional slide+fade

* fix(mobile): keep widgets in sync via reload-on-change + periodic refresh

Widgets sharing the app's WidgetKit reload budget refreshed unevenly, leaving the
large Sessions widget stale (no unread dot / attention count) while medium updated.
Drop the per-call updatedAt from the snapshot, only write + reloadAllTimelines when
the session overview actually changed (so we don't burn the budget on every scene
activate/resign), and give each widget a periodic timeline refresh so a missed
reload self-corrects.

* feat(mobile): Android support — chrome fixes, SSE lock, icon, QR scan

Cosmetics:
- Status bar: on Android inset the WebView below the bar (overlay:false) and
  paint it with the resolved theme background + correct content Style, since
  Android doesn't feed env(safe-area-inset-top) to CSS.
- Keyboard: skip the manual --oc-keyboard-inset on Android (the window resizes
  natively, so applying it double-counted and floated the composer); declare
  windowSoftInputMode=adjustResize and disable the shell height transition on
  Android so the header no longer bounces on keyboard open.

Transport: lock Capacitor apps to SSE — native WebSocket streaming is unreliable
on Android (events only arrive once a run finishes). Forced in sync-context and
the other options are disabled in the Chat settings UI.

Push: gate APNs registration to iOS only; on Android @capacitor/push-notifications
register() needs Firebase/FCM (not configured) and crashes at launch.

QR pairing: declare CAMERA permission + the ML Kit barcode_ui dependency, and
install/await the Google barcode scanner module (with a post-install retry) before
scanning so the first scan works without a manual retry.

Icon: Android adaptive launcher icon generated from the cube logo (full-bleed
white background, no edge artifact on One UI). Source assets under mobile/assets.

Tooling: adb-based android-device.mjs + android:* scripts for device deploy.

* feat(notifications): presence-aware push routing (don't spam the phone)

Only push to a device when the notification would otherwise be missed there. A
notification is suppressed on devices where the user is already present.

- Tag every client's visibility beacon and web-push subscription with a platform
  ('ios' | 'android' | 'vscode' | 'desktop' | 'web') via getClientPlatform().
- Server tracks visibility per client (keyed by oc_ui_session) with the platform,
  and exposes isAnyInteractiveClientVisible() = any visible non-mobile client.
- Native push (APNs) and mobile PWA web-push are now suppressed when an
  interactive (desktop/web/vscode) client is visible — it already shows the
  in-app notification. Gated on the desktop's visibility (reliable), never the
  phone's own (a backgrounded WKWebView can't report "hidden").
- Desktop/web web-push keeps the any-visible gate (a visible client absorbs it).
- Skipping APNs also skips the badge increment so it doesn't drift.

Fixes the case where every session on a shared instance pushed to the phone even
while the user was actively working on desktop.

* feat(mobile): Android FCM push notifications

Enable native background push on Android via Firebase Cloud Messaging, in parallel
with the existing iOS APNs path.

- Add google-services.json + declare POST_NOTIFICATIONS (Android 13+). The Google
  Services Gradle plugin is applied when the file is present, so register() returns
  an FCM token instead of crashing.
- Un-gate native push registration to iOS OR Android, and tag the registered token
  with its platform ('ios' | 'android') so the relay routes it to APNs vs FCM.
- Server stores the platform per device token and binds it to the relay (platform
  included in the signed register message).
- Notification small icon: monochrome cube silhouette with a mark on the top face,
  set as the FCM default_notification_icon so the status-bar icon reads as the logo.

Relay-side FCM sending ships in openchamber-website.

* docs(mobile): refresh HANDOFF with current state, dev/deploy process, and CI gap

* chore(mobile): iOS store-review prerequisites (privacy manifest, encryption flag)

- Add the app's PrivacyInfo.xcprivacy (no tracking; required-reason UserDefaults for the App
  Group snapshot shared with the widget + notification service extension) and wire it into the
  App target's resources — Apple requires an app-level privacy manifest.
- Set ITSAppUsesNonExemptEncryption=false to skip the per-build export-compliance prompt.
- HANDOFF: add a store-review-readiness checklist (in-repo vs release-time console/infra items).

Verified: plist lint, xcodebuild parse, and an iOS simulator build with PrivacyInfo.xcprivacy
bundled into App.app.

* refactor(mobile): dedupe capacitor detection + make beacon guard explicit

Addresses non-blocking PR review notes:
- Consolidate the repeated Capacitor-native check (mobileConnections, deepLinkNavigation,
  usePushVisibilityBeacon each redefined it) onto the single isCapacitorApp() in lib/platform.
- usePushVisibilityBeacon now guards on isWebRuntime() OR isCapacitorApp() instead of relying on
  isWebRuntime() being true for Capacitor, so the beacon can't silently stop if that changes.
2026-07-01 09:55:41 +03:00
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2026-06-10 12:00:10 +03:00
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2026-06-16 23:40:00 +03:00
2025-12-07 19:32:53 +02:00

OpenChamber

GitHub stars GitHub release Created with OpenCode Discord Support the project

OpenCode, everywhere. Desktop. Browser. Phone.

A rich interface for OpenCode. Review diffs, manage agents, run dev servers, and keep the big picture while your AI codes.

OpenChamber Chat

More screenshots

Tool Output Settings Diff View VS Code Extension

PWA Chat PWA Diff

Why use OpenChamber?

  • Cross-device continuity: Start in TUI, continue on tablet/phone, return to terminal - same session
  • Remote access: Use OpenCode from anywhere via browser
  • Familiarity: A visual alternative for developers who prefer GUI workflows

Features

Core (all app versions)

  • Branchable chat timeline with /undo, /redo, and one-click forks from earlier turns
  • Smart tool UIs for diffs, file operations, permissions, and long-running task progress
  • Voice mode with speech input and read-aloud responses for hands-free workflows
  • Multi-agent runs from one prompt with isolated worktrees for safe side-by-side comparisons
  • Git workflows in-app: identities, commits, PR creation, checks, and merge actions
  • GitHub-native workflows: start sessions from issues and pull requests with context already attached
  • Plan/Build mode with a dedicated plan view for drafting and iterating implementation steps
  • Inline comment drafts on diffs, files, and plans that can be sent back to the agent
  • Context visibility tools (token/cost breakdowns, raw message inspection, and activity summaries)
  • Integrated terminal with per-directory sessions and stable performance on heavy output
  • Built-in skills catalog and local skill management for reusable automation workflows

Web / PWA

  • Provider-aware tunnel access model with Cloudflare quick, managed-remote, and managed-local modes
  • One-scan onboarding with tunnel QR + password URL helpers
  • Mobile-first experience: optimized chat controls, keyboard-safe layouts, and attachment-friendly UI
  • Background notifications plus reliable cross-tab session activity tracking
  • Built-in self-update + restart flow that keeps your server settings intact

Desktop (macOS + Windows)

  • Floating Mini Chat: keep a small always-on-top assistant beside your editor, browser, or terminal
  • Multiple native windows for separate projects or sessions
  • Native notifications for task alerts while OpenChamber is hidden
  • One-click open in VS Code, Cursor, Terminal, Finder, Explorer, and more
  • Desktop host switcher for local and remote OpenChamber instances
  • Convenient tunnel management without manual setup
  • Deep-link connections for joining remote OpenChamber from a link
  • SSH remote access with host import, connection management, and port forwarding

VS Code Extension

  • Editor-native workflow: open files directly from tool output and keep sessions beside your code
  • Agent Manager for parallel multi-model runs from a single prompt
  • Right-click actions to add context, explain selections, and improve code in-place
  • In-extension settings, responsive layout, and theme mapping that matches your editor
  • Hardened runtime lifecycle and health checks for faster startup and fewer stuck reconnect states

Custom Themes

  • Use it from anywhere - Cloudflare tunnel with QR code onboarding. Scan, connect, code from your couch.
  • Branchable chat timeline - Undo, redo, fork from any turn. Explore different approaches without losing your place.
  • GitHub-native workflows - Start sessions from issues and PRs with context already attached. Review checks, merge - all in-app.
  • Project Actions - Run dev servers, configure SSH port forwarding, open remote URLs locally. Your project commands, one click away.
  • Connect to remote machines - Desktop app connects to remote OpenChamber instances over SSH, with dedicated lifecycle and UX flows.

Quick Start

Prerequisite: OpenCode CLI installed.

Desktop (macOS + Windows)

Download from Releases.

VS Code

Install from Marketplace or search "OpenChamber" in Extensions.

CLI (Web + PWA)

requires Node.js 22+

curl -fsSL https://raw.githubusercontent.com/btriapitsyn/openchamber/main/scripts/install.sh | bash
openchamber --ui-password be-creative-here
Advanced CLI options
openchamber --port 8080              # Custom port
openchamber --lan --port 3000        # Listen on LAN (0.0.0.0)
openchamber --ui-password secret     # Password-protect UI
openchamber startup enable           # Start at login as a native service
OPENCHAMBER_UI_PASSWORD=secret openchamber startup enable # Save service password env
openchamber startup status           # Show startup service status
openchamber startup disable          # Remove startup service
openchamber tunnel help              # Tunnel lifecycle commands
openchamber tunnel providers         # Show provider capabilities
openchamber tunnel profile add --provider cloudflare --mode managed-remote --name prod-main --hostname app.example.com --token <token>
openchamber tunnel start --profile prod-main
openchamber tunnel start --provider cloudflare --mode quick --qr
openchamber tunnel start --provider cloudflare --mode managed-local --config ~/.cloudflared/config.yml
openchamber tunnel status --all      # Show tunnel state across instances
openchamber tunnel stop --port 3000  # Stop tunnel only (server stays running)
openchamber connect-url --port 3000  # Add this server to OpenChamber Desktop
openchamber connect-url --server http://host:3000 --qr
openchamber connect-url --port 3000 --qr
openchamber logs                     # Follow latest instance logs
OPENCODE_PORT=4096 OPENCODE_SKIP_START=true openchamber                    # Connect to external OpenCode server
OPENCODE_HOST=https://myhost:4096 OPENCODE_SKIP_START=true openchamber  # Connect via custom host/HTTPS
openchamber stop                     # Stop server
openchamber update                   # Update to latest

startup enable snapshots your current environment into the native service so startup behaves like you launched openchamber from the same shell. This preserves provider tokens, PATH, SSH agent settings, and other CLI auth/config env vars. Use --no-env-snapshot if you want a minimal service env.

Connect to an existing OpenCode server:

OPENCODE_PORT=4096 OPENCODE_SKIP_START=true openchamber
OPENCODE_HOST=https://myhost:4096 OPENCODE_SKIP_START=true openchamber

Bind managed OpenCode server to all interfaces (use only on trusted networks):

OPENCHAMBER_OPENCODE_HOSTNAME=0.0.0.0 openchamber --port 3000

Expose OpenChamber itself on your LAN:

openchamber --lan --port 3000 --ui-password secret

Add this server to OpenChamber Desktop or another OpenChamber app:

openchamber connect-url --port 3000 --qr

If no OpenChamber server is running on that port, connect-url starts one before generating the link.

Headless/API-only setup for a remote machine:

openchamber connect-url --port 3000 --api-only --lan --server http://your-host-or-ip:3000 --qr --ui-password secret

This runs OpenChamber as an API-only server without the desktop app or browser UI assets on that machine, then creates a link for Desktop to import. --lan makes the server reachable from other machines. --server is the address Desktop should use.

When OpenChamber was started with --lan or --host 0.0.0.0, connect-url automatically uses a detected LAN IP instead of 127.0.0.1. Use --server http://host:3000 to override the advertised address, and include --lan when connect-url needs to start the server for LAN access.

Paste the printed openchamber://connect?... link in Desktop under Settings -> Remote Instances -> Direct Instances -> Import Link. The link contains the server URL and a client token. It does not enable browser UI password protection; use --ui-password when exposing a server beyond localhost.

systemd service (VPN / LAN access)

Run OpenChamber and OpenCode as separate persistent services — useful when you want to access your dev machine over a VPN (e.g. Tailscale) or LAN without a Cloudflare tunnel.

How it works:

  • OpenCode runs as its own service, binding only to localhost.
  • OpenChamber connects to it via OPENCODE_HOST and --lan makes it reachable on your VPN IP.
  • --foreground keeps the CLI process alive so systemd can track and restart it.

~/.config/systemd/user/opencode.service

[Unit]
Description=OpenCode Server

[Service]
Type=simple
ExecStart=opencode serve --port 4095
Environment="PATH=/home/linuxbrew/.linuxbrew/bin:/home/linuxbrew/.linuxbrew/sbin:/home/YOU/.local/bin:/home/YOU/.npm-global/bin:/usr/local/bin:/usr/bin:/bin"
Environment=SSH_AUTH_SOCK=%t/ssh-agent.socket
Restart=on-failure
RestartSec=5

[Install]
WantedBy=default.target

Why set PATH and SSH_AUTH_SOCK? systemd user services start with a minimal environment — no shell profile is sourced. Without an explicit PATH, OpenCode won't find tools installed via Homebrew, npm, or ~/.local/bin. Without SSH_AUTH_SOCK, git operations over SSH (push, pull, clone) will fail because the agent socket isn't inherited. Adjust the PATH to match your own tool installation paths. %t expands to $XDG_RUNTIME_DIR (e.g. /run/user/1000), where most SSH agents write their socket.

~/.config/systemd/user/openchamber.service

[Unit]
Description=OpenChamber Web Server
After=opencode.service

[Service]
Type=simple
ExecStart=openchamber serve --port 3000 --host 0.0.0.0 --ui-password your-password --foreground
Environment="OPENCODE_HOST=http://localhost:4095"
Environment="OPENCODE_SKIP_START=true"
Restart=on-failure
RestartSec=5

[Install]
WantedBy=default.target
systemctl --user daemon-reload
systemctl --user enable --now opencode openchamber

OpenChamber will be reachable at http://<your-vpn-hostname>:3000 from any device on your VPN.

Note: --host 0.0.0.0 is required to listen on all interfaces. The default bind address is 127.0.0.1 (localhost only). Use --host <ip> or OPENCHAMBER_HOST=<ip> to bind to a specific interface instead.

Docker
docker compose up -d

Available at http://localhost:3000.

UI Password:

environment:
  UI_PASSWORD: your_secure_password

Cloudflare Tunnel (optional):

environment:
  OPENCHAMBER_TUNNEL_MODE: quick # quick | managed-remote | managed-local
  OPENCHAMBER_TUNNEL_PROVIDER: cloudflare

For managed-remote mode, provide:

environment:
  OPENCHAMBER_TUNNEL_MODE: managed-remote
  OPENCHAMBER_TUNNEL_HOSTNAME: app.example.com
  OPENCHAMBER_TUNNEL_TOKEN: <token>

For managed-local mode, optionally provide:

environment:
  OPENCHAMBER_TUNNEL_MODE: managed-local
  OPENCHAMBER_TUNNEL_CONFIG: /home/openchamber/.cloudflared/config.yml

Managed-local path note: OPENCHAMBER_TUNNEL_CONFIG must point to a path inside the container user home (/home/openchamber/...). If your Cloudflare config references a credentials JSON file, that file path must also be accessible inside the container (mount with volumes).

Reverse proxy notes

  • For a complete reverse proxy setup guide, see docs/REVERSE_PROXY.md.
  • Website docs source lives at packages/docs/content/docs/reverse-proxy.mdx.

Tunnel behavior notes

  • OpenChamber supports one active tunnel per running instance (port).
  • Starting a tunnel with a different mode/provider on the same instance replaces the current tunnel.
  • Replacing or stopping a tunnel revokes existing connect links and invalidates remote tunnel sessions for that instance.
  • Connect links are one-time tokens; generating a new link revokes the previous unused link.

Data Directory Permission Note: The data/ directory is mounted into the container for persistent storage (config, sessions, SSH keys, workspaces). Before running, ensure the directory exists and has proper permissions:

mkdir -p data/openchamber data/opencode/share data/opencode/config data/ssh
chown -R 1000:1000 data/

SSH/Git: If git push/pull fails, run ssh -T git@github.com in terminal.

Features

Chat & Interaction
  • Branchable chat timeline with /undo, /redo, and one-click forks from any turn
  • Multi-agent runs from one prompt with isolated worktrees for safe side-by-side comparisons
  • Voice mode with speech input and read-aloud responses for hands-free workflows
  • Plan/Build mode with a dedicated plan view for drafting and iterating steps
  • Inline comment drafts on diffs, files, and plans - send feedback back to the agent
  • Shell mode via leading ! with inline output
  • Share messages as images
  • Mermaid diagrams render inline with copy/download actions
  • Smart tool UIs for diffs, file operations, permissions, and task progress
Git & GitHub
  • Full Git sidebar with staging, commits, push/pull, branch management, and rebase/merge flows
  • PR creation with AI-generated descriptions, status checks, and merge actions
  • Start sessions from GitHub issues and pull requests with context baked in
  • Multi-remote push and fork-aware PR creation
  • Worktree integration: isolated sessions per branch, merge back with conflict handling
  • Git identities, gitmoji support, and multi-account GitHub auth
Files, Diff & Terminal
  • Workspace file browser with inline editing, syntax highlighting, Vim mode, and markdown preview
  • Beautiful diff viewer with stacked/inline modes, lazy loading for large changesets
  • Integrated terminal with per-directory sessions, tabbed interface, and stable heavy-output performance
  • Clickable file paths in messages - jump to exact line locations
  • File-type icons across all views for faster visual scanning
Web / PWA
  • Cloudflare tunnel with quick, managed-remote, and managed-local modes, secure one-time connect links, and QR onboarding
  • Mobile-first: optimized chat controls, keyboard-safe layouts, drag-to-reorder projects
  • Background notifications and cross-tab session tracking
  • Self-update + restart flow that keeps your server settings intact
  • Installable as PWA with project-aware naming
Desktop (macOS + Windows)
  • Floating Mini Chat: keep a small always-on-top assistant beside your editor, browser, or terminal
  • Multiple native windows for separate projects or sessions
  • Native notifications for task alerts while OpenChamber is hidden
  • One-click open in VS Code, Cursor, Terminal, Finder, Explorer, and more
  • Desktop host switcher for local and remote OpenChamber instances
  • Convenient tunnel management without manual setup
  • Deep-link connections for joining remote OpenChamber from a link
  • SSH remote access with host import, connection management, and port forwarding
VS Code Extension
  • Editor-native: open files from tool output, keep sessions beside your code
  • Agent Manager for parallel multi-model runs from a single prompt
  • Right-click actions: add context, explain selections, improve code in-place
  • Session editor panel, responsive layout, and theme mapping to your editor
  • Edit-style tool results open directly in focused diff views
Customization
  • 18+ built-in themes with light/dark variants
  • Custom themes via JSON files in ~/.config/openchamber/themes/ - hot reload, no restart
  • Configurable keyboard shortcuts for chat, panels, and services
  • Font size, spacing, corner radius, and layout controls
  • Customizable project icons with upload and automatic favicon discovery
  • Skills catalog and local skill management for reusable automation

Read the Guide: Custom Themes

Context & Productivity
  • Token usage, cost breakdowns, and raw message inspection panel
  • Usage quota tracking across multiple providers with pace/prediction indicators
  • Favorite model cycling via keyboard shortcuts
  • Session folders and subfolders with drag-to-reorder
  • Persistent project notes and todos per project
  • Draft persistence per session with expanded focus mode for longer prompts

Roadmap

Active development. Here's what's being worked on or planned:

  • Linux desktop app
  • Mobile app with remote instance and laptop connectivity
  • More built-in tunneling options
  • Kanban board for multi-agent management - keeping the human in the loop and in control
  • Custom OpenCode plugins/tools built-in catalog
  • Linear integration
  • Built-in browser for running dev apps with agent integration

Acknowledgments

Independent project, not affiliated with the OpenCode team.

Special thanks to:

  • OpenCode - For the excellent API and extensible architecture.
  • Flexoki - Beautiful color scheme by Steph Ango.
  • Pierre - Fast, beautiful diff viewer with syntax highlighting.
  • Ghostty-web - Great implementation of a Ghostty web renderer.
  • David Hill - Who inspired me to release this without overthinking.
  • My wife, who - with zero AI background - sat down with the app for the first time and built the firework celebration that plays on every successful push.
  • Every contributor who shaped this project with their PRs, ideas, and attention to detail.

Contributing

See CONTRIBUTING.md for development setup and guidelines.

Docs source lives in packages/docs.

License

MIT

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