Tool UI is an open-source project built for frontend developers building AI apps.

Yes — Tool UI is open source under the MIT license and free to use.

Is Tool UI still active?

The GitHub repository shows 1 commit in the last 90 days.

Who develops Tool UI?

Tool UI is developed by Tool UI.

Is Tool UI open source?

Yes — Tool UI is open source under the MIT license, developed on GitHub.

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Tool UI

Name: Tool UI
Author: Tool UI

tool-ui.comInfrastructure

Tool UI is an open-source library offering a set of typed, accessible, and JSON-native UI components tailored for AI interfaces. Built on Tailwind and Radix, it helps frontend developers quickly assemble robust, user-friendly AI applications.

Open SourceMITWebCloud-managed

Visit tool-ui.com

726stars

30forks

6features

2025since

Overview

6 features

In the Frameworks & SDKs space, Tool UI takes a focused approach. It focuses on accelerating the development of AI-powered web interfaces with reusable, accessible UI components. It is built as an open-source project for frontend developers building AI apps. Tool UI is open source under the MIT license. Tool UI is available on the web.

Behind Tool UI is Tool UI, and it first shipped in 2025. The project is developed in the open on GitHub with 726 stars and 1 commit in the last 90 days. Key capabilities include typed components, JSON-native, and Accessible UI.

Summary written by a language model from the project’s public pages.

Typed components
JSON-native
Accessible UI
Copy-pasteable elements
Tailwind integration
Radix support

Built with & integrations

Framework

Next.js

Hosting

Vercel

Runs on

BrowserCloud-managed

Detected from

Next.js: x-powered-by header · /_next/static/ in the HTML · __next_f in the HTML
Vercel: x-vercel-id header · x-vercel-cache header

Trust & compliance

License

MIT

Verified signals

HTTPSOpen Source GitHub · ★ 726Active maintenance

Indexing history

What PulseGate has recorded for this listing

Indexed17 Jun · 17:55 UTC
Listing verified against its public source
Source: PulseGate · Open

Frequently asked questions about Tool UI

What does Tool UI do?: Tool UI focuses on accelerating the development of AI-powered web interfaces with reusable, accessible UI components. It is catalogued under Frameworks & SDKs on PulseGate.
Who is Tool UI for?: Tool UI is an open-source project built for frontend developers building AI apps.
Is Tool UI free?: Yes — Tool UI is open source under the MIT license and free to use.
What platforms does Tool UI run on?: Tool UI runs on the web.
Is Tool UI still active?: The GitHub repository shows 1 commit in the last 90 days.
Who develops Tool UI?: Tool UI is developed by Tool UI.
When did Tool UI launch?: Tool UI first shipped in 2025.
Is Tool UI open source?: Yes — Tool UI is open source under the MIT license, developed on GitHub.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
Open source: Yes · ★ 726
License: MIT
Built for: frontend developers building AI apps
Model: Open source
Solves: Accelerating the development of AI-powered web interfaces with reusable, accessible UI components.

Registered as

GitHub: assistant-ui/tool-ui

Developer

Team

GitHub

Open source

View on GitHub

Stars: 726
Forks: 30
Open issues: 2
Last commit: 9 May 2026
Commits 90d: 1
Contributors: 6
Authorship: Team
Default branch: main

Index record

Indexed: 17 Jun 2026
Lifecycle: Alive
Last seen: 17 Jun 2026

Identity audit (12)

Slug: tool-ui-tool-ui-com
Lifecycle last checked: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 17 Jun 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Canonical URL: https://tool-ui.com/

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