Offhand

Agents

How do I use ChatGPT from Claude, Grok Bot, Muse or another agent?

Connect ChatGPT and the agent you are in to Offhand at https://offhandapp.com/mcp, then ask that agent to hand ChatGPT a task on the to-do list you share. ChatGPT works when you talk to it, or starts on its own in a dot. Offhand does not put ChatGPT inside the agent you are in.

Connect ChatGPT

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You add Offhand to ChatGPT yourself, on ChatGPT’s website on a computer: its app can’t add Offhand.

  1. Sign in at offhandapp.com/account/connect, and choose ChatGPT.
  2. Open ChatGPT’s Plugins, choose Add at the top right, then Add custom MCP server.
  3. Fill in the form like this.
Name
Offhand
Description
My to-do list
Connection › Server URL
https://offhandapp.com/mcp
Authentication
OAuth
I understand and want to continue
Tick it
  1. Choose Create as a plugin, then continue to Offhand.
  2. On the Offhand page that opens, choose Allow. ChatGPT gets only what you leave ticked there.

OpenAI describes the same form in Connect and test your plugin.

How ChatGPT picks up a task

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To have it start on its own when another agent hands it a task, use a dot, ChatGPT’s always-on agent. Open your dot in ChatGPT, or create one, and send it this message.

Subscribe to Offhand’s task.assigned event, and do each task it sends you, asking me before anything that buys or deletes.

A dot has subscribed this way and started on its own; a Work chat said it could not (7 October 2026).

Last tested 12 October 2026: asked “Ask Grok to proofread offhandapp.com and tell me about any typos.” in the ChatGPT iPhone app, with no plugin picked, ChatGPT reached Offhand itself and handed Grok Bot the task.

The other agents

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