vercel-labs/ui
A library of behaviors for agents to build the next generation of user interfaces.
⚡ Executive Summary & Quick Facts
Authoritative Sourceui is ui is an open-source project written in TypeScript: A library of behaviors for agents to build the next generation of user interfaces.. It provides a free, self-hosted open-source alternative to Vercel.
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), vercel-labs/ui has accumulated 1,628 GitHub stars and 34 forks. It is written in TypeScript, licensed under Apache-2.0, and ranks #6,418 globally. It is actively maintained with the latest commit recorded on Nov 12, 2026.”
| Repository | vercel-labs/ui ↗ |
|---|---|
| Primary Category | accessibility |
| Language & Stack | TypeScript |
| Software License | Apache-2.0 |
| Community Traction | ★ 1.6K stars · ⑂ 34 forks · #6,418 globally |
| Maintenance | ● Active (Last commit: Nov 12, 2026) · 3 open issues |
| Replaces SaaS | Open Source Vercel Alternative ($20/user/month + expensive bandwidth & function overages) → |
| Target Audience | Developers and engineering teams building with TypeScript, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 97/100 · Grade A+Yes, ui is actively maintained. Continuous telemetry recorded the last code commit on Nov 12, 2026 (0 days ago). Supported by 1,628 stars and 34 community forks, this repository holds a calculated health index of 97/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
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+41
STARS · LAST 30 DAYS
1
PER DAY
#859
MOST-STARRED TypeScript
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +7 | +41 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +1 | +3 | +10 |
ui gained 41 stars in the last 30 days, about 1 a day, and now has 1.6K. It is about 1 year old and has averaged roughly 1.6K stars a year. It ranks #859 among TypeScript repositories and #6,418 across all languages on GitHubRepo.
Trending Record
1
DAYS ON TRENDING
#11931
BEST RANK
Nov 13, 2026
FIRST APPEARANCE
Active
STATUS TODAY
ui has maintained a continuous presence across global trending indexes, peaking at #11931. Below is the 30-day activity profile:
💡 Overview
ui is an open-source project written in TypeScript: A library of behaviors for agents to build the next generation of user interfaces.
Engineered for speed, consistency, and developer ease, it solves common hurdles in accessibility, agent, agents. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in TypeScript for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ npm install ui⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Node.js >= 18, npm, pnpm or bun
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
ui coordinates its core functionality through a modular TypeScript pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Autonomous AI Agents
Orchestrate intelligent workflows and tool-calling routines with ui.
Model Inference & Prompting
Integrate fast, local or cloud-hosted generative AI models directly into production code.
Context Memory & RAG
Augment language models with dynamic vector retrieval and structured project memory.
Developer Productivity
Automate repetitive engineering tasks, code generation, and test creation using AI agents.
🚀 Getting Started
Install ui using your package manager: `npm install ui`
Initialize your project workspace or configuration file for ui.
Import ui into your codebase or invoke it directly from your terminal.
Execute your test suite or run `ui --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with TypeScript, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
vercel-labs/ui is currently ranked #6,418 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #6,413 | sebbbi/NoGraphicsAPI | C++ | ★ 1.6K | Compare ↗ |
| #6,414 | google/GNM | Python | ★ 1.6K | Compare ↗ |
| #6,415 | spring-projects/spring-integration | Java | ★ 1.6K | Compare ↗ |
| #6,415 | ecsphp/ecs | PHP | ★ 1.6K | Compare ↗ |
| #6,417 | JetBrains/kotlin-web-site | TypeScript | ★ 1.6K | Compare ↗ |
| #6,418 | vercel-labs/ui This Project | TypeScript | ★ 1.6K | |
| #6,418 | NethermindEth/nethermind | C# | ★ 1.6K | Compare ↗ |
| #6,418 | privatenumber/minification-benchmarks | TypeScript | ★ 1.6K | Compare ↗ |
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| #6,421 | TestableIO/System.IO.Abstractions | C# | ★ 1.6K | Compare ↗ |
| #6,421 | ClickHouse/clickhouse-java | Java | ★ 1.6K | Compare ↗ |
Frequently Asked Questions
What does ui do? +
A library of behaviors for agents to build the next generation of user interfaces.
Is ui actively maintained in 2026? +
Yes, ui is actively maintained. The latest code push was recorded on Nov 12, 2026 (0 days ago). It holds a calculated Maintenance Health Score of 97/100 (A+ rating) with 1,628 stars and 3 open issues.
What language is ui written in? +
The primary language is TypeScript. Topics include: accessibility, agent, agents, aria, behaviors.
How many stars does ui have? +
ui has 1,628 stars and 34 forks on GitHub.
How does ui rank among GitHub repositories? +
With 1,628 stars, vercel-labs/ui is ranked #6,418 globally across all repositories tracked on GitHubRepo and #859 among TypeScript projects.
What license is ui distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
