OpenUI Forge — Anthropic

Build generative UI apps with OpenUI + Anthropic Claude. Converts Anthropic streaming events to OpenAI-compatible NDJSON.

Activation Triggers

• "openui anthropic", "openui claude", "openui sonnet"
• "generative ui claude", "claude streaming ui"

Prerequisites

• Node.js >= 22 (24 LTS recommended), React >= 18.3.1 (19+ recommended)
• ANTHROPIC_API_KEY environment variable set
• Next.js project (App Router recommended)

Quick Start