Your remote workspace, in your pocket.

A terminal-first mobile workspace for the way you actually work: Termish → Herdr → Codex.

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_{Herdr + terminal · main workspace · Hosts · Native Agent chat · SFTP files. The terminal capture includes the floating remote-screen window. All four use the same iOS device presentation as termish.dev.}

1. Start from Hosts. Open Hosts → +, enter the SSH address, username and password or private key. Verify the server's host key fingerprint on first connection. Each host menu opens Terminal, Herdr, Files, remote screen or Agent chat.
2. Open Herdr. Use the Herdr entry from the host. If it is not on the remote yet, Termish offers guided installation, then opens the workspace in the SSH or Mosh terminal.
3. Keep coding in your terminal workflow. Start Codex from Herdr, give it a task, follow its output, upload a screenshot or file when useful, inspect the result through the remote-screen window, then return to the terminal.
4. Use native chat when it fits. The Agents entry provides a phone-native conversation for Codex, Claude Code and other supported CLIs. It is an alternative interface, not a replacement for the Herdr terminal workspace.

For Agent chat, the remote host needs the agent's own login or a supported API provider configuration. Missing supported CLIs can be installed from the app. You do not need a Termish account.

For Mosh, choose Mosh in the host's connection settings. The remote needs mosh-server and a reachable UDP port; Termish offers guided installation when the server is missing. Use a startup command such as tmux new -A -s main when you want terminal programs to survive client disconnects.

Also included: Chinese and English UI, light and dark themes, terminal palettes and quick commands.

Termish connects your phone directly to the development machine over SSH or Mosh. Begin in the Hosts list, then take the primary path: Termish → Herdr → Codex. Herdr and the coding tool run on the remote machine, while the phone provides the terminal, input, file transfer and a remote-screen view. A missing Herdr installation can be prepared from the app. No Termish relay or account sits in the connection.

Native Agent chat is a separate option. It uploads the bundled Rust Bridge over SFTP and starts it for your remote user; the Bridge runs the selected agent and relays messages through the authenticated SSH connection. No Docker or extra public listening port is needed. It keeps conversations on the host and lets an active agent task continue while your phone is disconnected.

Remote screen uses a versioned companion service in the computer's graphical session, installed from the app and accessed over SSH. Its standalone source, configuration and diagnostics are documented in the screen service guide. The phone uploads precompiled Rust services over SSH/SFTP for macOS and Linux (X11 or Wayland), on arm64 and x86_64. The computer needs no Rust compiler. On macOS, the background companion is Termish Helper, with the Termish icon. Screen Recording and Accessibility permissions are granted to this app separately.

See the Agent Bridge guide for the protocol, supported approval types and remote storage layout.

• Direct connection: Termish checks SSH host keys and stores saved credentials using platform security facilities. Agent conversations are persisted on your remote host.
• Optional services: configured AI and speech-recognition providers receive the content required for those features and may charge for usage. Termish's MIT license does not include a model subscription or API credits.
• Background limits: iOS suspends the app in the background; some Android devices also restrict background connections. Termish reconnects on return. Use tmux or Mosh for terminal continuity; the Agent Bridge owns its remote tasks.
• Approvals: availability depends on the agent's protocol. Unsupported interactive operations return an error rather than being silently approved.

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For Android, install JDK 17, the Android SDK and Rust via rustup, then set ANDROID_HOME or the SDK path in local.properties:

git clone https://github.com/ttermish/termish.git
cd termish
./gradlew :composeApp:assembleDebug

Debug builds do not need release signing keys. See Contributing for unit and integration tests, iOS builds, and development conventions.

Built with Kotlin and Compose Multiplatform, a pure-Kotlin terminal and Mosh client, sshj on Android, and libssh2 on iOS.

Bug reports, documentation improvements and pull requests are welcome in English or Chinese. Read the contribution guide and code of conduct.

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Termish's original source code and documentation are available under the MIT License. Third-party components and bundled fonts retain their own licenses; see NOTICE and LICENSES.