First Dollar Desk for ChatGPT

dev.workers.undone-k.first-dollar-desk/verify

Human $1 Stripe checkout and $0.05 Base USDC agent verify over HTTP 402. Self-pay rejected.

client:ChatGPT transport:streamable-http tools:3

Install First Dollar Desk in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://first-dollar-desk.undone-k.workers.dev/mcp

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