Manifest

Manifest

Omfang AB
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About

A2UI is a declarative UI protocol designed to enable AI agents to generate rich, interactive user interfaces that render natively across web, mobile, and desktop environments without executing arbitrary code. Instead of relying on text-only interactions or unsafe approaches like sending HTML or JavaScript, A2UI allows agents to communicate UI intent through structured JSON messages that describe components, layouts, and data bindings, which client applications then render using their own trusted, pre-approved components. This approach separates UI generation from UI execution, ensuring that interfaces are secure, consistent with the host application’s design system, and adaptable across platforms. It is designed to be LLM-friendly, using a flat, streaming JSON structure that allows agents to incrementally build and update interfaces in real time, enabling progressive rendering and responsive user experiences.

About

Manifest by Omfang is an action layer for AI agents that turns any webpage into a structured map of what an agent can actually do. Developers send a URL to the Manifest API and receive clean JSON describing the page state, available buttons, forms, inputs, navigation links, required fields, and dependencies between actions. Manifest loads the page in a real Chromium browser after JavaScript runs, reads the accessibility tree used by screen readers, and cross-references it with the underlying DOM to capture details the accessibility layer can miss, including input types, placeholders, disabled states, and prerequisites for submission. Once actions are identified, their locators are resolved deterministically rather than generated by a model; ambiguous matches are marked uncertain instead of guessed. This gives agents a machine-readable interface for reasoning about what to click, fill, or submit without relying on screenshots, brittle CSS paths, etc.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

AI developers and product teams who want to build agent-driven applications where models generate secure, dynamic user interfaces instead of just text responses

Audience

AI developers that need to turn webpages into structured action maps so agents can reliably navigate forms, buttons, and interactive workflows

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

$29 per month
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

A2UI
United States
a2ui.org

Company Information

Omfang AB
Founded: 2026
United States
omfang.io

Alternatives

Alternatives

Kitesurf

Kitesurf

Cloudflare
QML

QML

Qt

Categories

Categories

Integrations

JSON
CSS
Chromium
HTML
JavaScript

Integrations

JSON
CSS
Chromium
HTML
JavaScript
Claim A2UI and update features and information
Claim A2UI and update features and information
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Claim Manifest and update features and information