composer for ChatGPT

com.agenticpaywall/composer

Composes + runs multi-step external-data workflows for one quoted USDC price (x402).

client:ChatGPT transport:streamable-http tools:2

Install composer in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://composer.agenticpaywall.com/mcp

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