Universal Agent Runtime

A Rust server that runs AI agents: it calls models, runs tools under a policy and streams results to a user interface.

Released v1.2.3 · 23 Oct 2026 v1.3.0 pre-release · 24 Oct 2026

Key facts

Written in
Rust. Its own operator interface is a React web app.
Clients
Clients reach it over HTTP and server-sent events; it is designed so that actions are checked and recorded.
Used by
The Boss bundles it, KnowMe is built on it and the agent on this site runs inside it.
Support levels
Its support matrix marks each feature Stable, Preview or Experimental; only Stable rows are backed by release checks.
Licence
MIT for the code; the documentation is CC-BY-4.0.

Questions worth asking

  • What does the Universal Agent Runtime do?
  • Which products run on the Universal Agent Runtime?
  • What do Stable and Preview mean for the Universal Agent Runtime?

Sources