Documentation

Support

Requirements, connection guidance, and diagnostic information.

Pre-release documentation · Updated 27 July 2026

Release status

Falkn is currently in private testing. Public App Store and macOS/Linux installation packages are not available yet. This page will carry the supported installation and upgrade instructions at launch.

System requirements

  • a macOS or Linux host on ARM64 or x86-64;
  • Codex or Claude Code installed and configured on that host;
  • SSH access from the mobile app to the host;
  • iOS 17 or later for the Falkn app; and
  • network routing through the local network, VPN, or another SSH-accessible path.

Connection model

Falkn does not provide an SSH account or hosted shell. Add a machine using the host name or address, port, username, and authentication material for an SSH service you administer.

Verify the server's SSH host key before saving it. A local-network address such as 192.168.x.x works only while the device running the mobile app can route to that network. VPN addresses or DNS names may be used when configured by the machine owner.

Session behaviour

Detach
Control-B, then Q, disconnects the terminal client without stopping the session.
Reconnect
Run falkn in the same directory, attach by session ID, or open the session in the mobile app.
Restart
A daemon or host restart ends live PTYs. Falkn retains session metadata and the final stored transcript.
Notifications
Optional alerts are suppressed while a terminal is attached or the mobile app conversation is actively open.

Diagnostic commands

falkn version
falknd version
falkn daemon status
falkn list

When requesting support, include the client and daemon versions, operating system, CPU architecture, shell, and the exact error message. Do not send SSH private keys, passwords, API keys, or source code.

Support and security

General support: support@falkn.dev

Security reports: security@punklabs.ai. Please avoid filing public issues for vulnerabilities until a fix is available.