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ChatGPT

Ontario Protocol for ChatGPT

com.ontarioprotocol/ontario-protocol

Check x402 endpoints before spending: free readiness and policy checks, paid trust evidence.

client:ChatGPT transport:streamable-http tools:21

Install Ontario Protocol in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://ontarioprotocol.com/mcp

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

What ChatGPT can do once it is connected

Ontario Protocol in other clients