assistant-ui.com
Radix-style React primitives for AI chat with adapters for AI SDK, LangGraph, Mastra, and custom backends.
128 components★ 12klast commit today
Libraries
Libraries
AI block registries
agentcn.vercel.app
Production-ready agents, made simple. Ready to use, customizable AI agent recipes. Built on Eve and Flue.
76 components★ 432last commit today
livekit.com
This is a shadcn/ui component registry that distributes copy-paste React components for building LiveKit AI Agent interfaces.
15 components★ 20klast commit yesterdaypacekit-gsap
On 21st7gsap.pacekit.dev
Official feedback, bug reports, and feature requests for paceui.com
28 components★ 8last commit 18d ago
sitesearch.algolia.com
Enterprises and developers use Algolia's AI search infrastructure to understand users and show them what they're looking for.
5 components★ 23last commit 20d agoai-sdk.dev
Pre-built components like conversations, messages and more to help you build AI-native applications faster.
48 components★ 2.3klast commit 1mo ago
nexus-ui.dev
Open-source component library of composable, copy-paste primitives for building AI interfaces (chat, streaming, multimodal)
15 components★ 132last commit 2mo ago
agent-elements.21st.dev
25 components★ 94last commit 3mo ago
prompt-kit.com
Core building blocks for AI apps. High-quality, accessible, and customizable components for AI interfaces.
21 components★ 3.0klast commit 5mo agosimple-ai.dev
A collection of beautifully designed AI interface components that you can copy and paste into your apps. Accessible. Customizable. Open Source.
35 components★ 754last commit 7mo agobrainless.swerdlow.dev
Claude Code, Codex, and Grok interfaces as shadcn components — accessible React terminal-agent UI for docs, demos, and product surfaces.
39 components+39 this weekasanshay
On 21st5ds.asanshay.com
Clean, beautiful, and simple UI primitives and AI elements.
21 componentsgsap.paceui.com
Animated GSAP components crafted for smooth interaction and rich detail.
28 components+28 this weekseamui.dev
Own-your-code components rebuilt on Base UI with a motion.dev feel layer — springs, touch feedback, and depth — plus an agent-workbench tier (composer, voice, status, connectors) for AI-era interfaces.
39 components+39 this weekinferencesh
On 21st4ui.inference.sh
batteries-included agent components by inference.sh. chat interfaces with streaming, tool invocation rendering, syntax-highlighted code blocks, markdown renderer, and more.
14 componentsui.meta-cloud-api.site
Production-ready WhatsApp Web UI components built on WDS design tokens with Tailwind CSS v4 and @base-ui/react.
29 components+29 this week
