FlatCash — Native Currency for AI Agents for ChatGPT

cash.flat/flatcash

CPI-pegged stablecoin for AI agents. Zero fees, task board, self-register in 30s.

client:ChatGPT transport:streamable-http

Install FlatCash — Native Currency for AI Agents in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://flat.cash/api/mcp

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