OpenUI Rails OpenUI Lang in Rails, with server-owned actions.

Render model-generated OpenUI Lang interfaces in Rails while keeping actions, authorization, and persistence on the server.

Rails-owned actions

Expose an explicit action allowlist and run host authorization before a handler can cause side effects.

Server actions

Tie the generated prompt, browser library manifest, and rendered surface to a stable fingerprint.

Library contract

Sequence response events and let the host restore an authoritative snapshot after a delivery gap.

Streaming

bundle add openui-rails --git https://github.com/yorzi/openui-rails --branch main

The helper emits a mount element. The browser runtime renders the OpenUI Lang response.

<%= openui_surface(
  surface: {
    id: "support-42",
    response: 'root = TextContent("How can I help?")'
  }
) %>

Rails owns the record, runtime assets, actions, and authorization. The gem does not parse or render OpenUI Lang in Ruby.