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Connect ChatGPT

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You need your MCP URL first. Get your MCP URL

Your MCP URL has the shape below. Where an example needs only the token, use the part written YOUR-TOKEN here.

https://mcp.posty5.com/t/YOUR-TOKEN/mcp

ChatGPT adds MCP servers as connectors in developer mode.

  1. Open Settings, then Apps and Connectors, then Advanced settings, and turn on Developer mode.

  2. Choose Create. Name the connector Posty5, paste your MCP URL, and choose No authentication — the token in the URL is the sign-in.

  3. In a new chat, turn the Posty5 connector on from the tools menu.

Check that it works

Section titled “Check that it works”

Start a new chat and ask

Which Posty5 account am I connected to?

The assistant should use the Posty5 Who am I tool and answer with your account and plan. If it does not, see Troubleshooting