Agent-Native Chat for ChatGPT

io.github.builderio/agent-native-chat

Minimal chat-first app with durable threads, actions, and the app-agent loop

client:ChatGPT transport:streamable-http

Install Agent-Native Chat in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://starter.agent-native.com/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs