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ChatGPT

Schedule from ChatGPT, with developer mode on.

ChatGPT can call the Ploffo server through developer mode: a setting that allows custom MCP servers alongside the ready-made apps.

This step is separate from the regular ChatGPT apps — it is for anyone adding their own server, like Ploffo.

How to add it

  1. Turn on developer mode

    Go to Settings → Apps → Advanced settings → Developer mode. On a Business account, the owner turns this on for the whole workspace.

  2. Create the app

    Choose Apps → Create, and enter the endpoint: https://mcp.ploffo.com.

  3. Choose the sign-in method

    Set up authentication, click Scan Tools, and sign in to Ploffo if asked.

  4. Finish

    Click Create. The app appears as a draft and is then usable in your conversations.

The endpoint

The endpoint
https://mcp.ploffo.com

What to know

  • Full MCP write access is open to Business, Enterprise and Edu accounts; on Enterprise/Edu, an admin turns it on per user first.
  • On a Pro account you can build apps through the Apps SDK, but not use full MCP write access.
  • Only works on the web version, not on mobile.

Source

Questions we get a lot

Can I do this on a regular Plus account?

No. Full MCP write access is currently open to Business, Enterprise and Edu accounts.

Does this work on mobile?

No, developer mode only works on the web version.

Does this work yet?

The MCP server opens at launch, together with the rest of the API.

Scheduled. Signed off. Proven.

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