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Server Installation

This step is only required if you need to use Live or Exec mode - it's not needed for the simpler API mode.

This is a powerful component, so treat with care, especially if its on your home server. It has controls to limit it to Home Assistant API and/or SQL access.

HACS Component

A HACS component that taps into the Home Assistant and acts as a session server over web sockets. It has been designed for HomeAssistant 2026.8 or greater.

Needed for live mode only, since api mode only uses standard Home Assistant APIs.

Install via HACS:

  • it's not in the default HACS repository, so you'll have to add https://github.com/rhizomatics/homeassistant-repl as a Custom Repository from the top-right dot menu first
  • Search for Home Assistant REPL in the HACS menu and choose Download
  • Restart Home Assistant for it to recognize the new custom component available
  • From Settings → Devices & services → Add integration find Home Assistant REPL Server in the list and install, there's no further config needed
  • The component will quiz you first to make sure you know what you're doing
  • Alternatively add ha_repl_server: to configuration.yaml, which is imported as a config entry)