Koishi

Official spec and SDK of MCP Apps protocol - the standard for UIs embedded in AI chatbots, served by MCP servers, enabling interactive user interfaces directly from MCP tools.

The Powerful Conversational AI JavaScript Library with UI for any LLM. Supports LangChain, HuggingFace, Vercel AI, and more. Works with React, Next.js, and plain JavaScript.

The UI design language and React library for Conversational UI by Alibaba, providing complete chat interface components for building customer service and conversational applications.

Next Generation Multi-tenant AI One-Stop Solution with built-in admin and billing. Enterprise-grade unified LLM gateway supporting 200+ models and 35+ providers.