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For Muse (Meta’s AI) and any AI that has no settings screen for this: you connect it by sending it a message. It runs on its own computer in the cloud, so it only ever uses Trillion’s web address. Do this once for each account you use it with.
1

Paste this message into Muse

Open a chat with Muse, paste the message below and send it.
If not: if Muse replies with a link to open in Safari, a 127.0.0.1 address, or asks for a key or a client id, paste the message again and add: Use the Add a custom connector sheet with client_id muse.
2

Tap Add a custom connector

Muse answers with a blue link called Add a custom connector. Tap it. A Meta sheet slides up and names Trillion and app.gettrillion.ai. Tap Connect.Leave as it is: every box on the sheet. If it shows a Client ID box, it already says muse: do not change it.If not: if the Client ID box is empty, close the sheet and tell Muse: Put client_id muse in the connector and send the link again. Never type a client id, secret or key yourself.
3

Tap your passkey

A Trillion page opens inside the sheet: tap your passkey (Face ID or Touch ID) and allow Muse. Stay in the sheet: do not open any link from it in Safari.When it worked: you are back in the chat and Muse says Trillion is connected.If not: if the sheet closed and Muse is not sure it worked, ask it to list your Trillion tools (next step). If it cannot, tap the Add a custom connector link again. If you have no Trillion account yet, choose Create your Trillion account under New here? on that page.
4

Check it

Send Muse this message.
When it worked: Muse lists Trillion’s tools, such as decisions, files and people.
5

Ask for something

Ask in plain words, for example:

Another AI that connects in a chat

The same values work for any AI that connects itself when you ask it in a chat. The only difference is the client id: muse belongs to Meta’s own return address. Any other AI registers itself at https://app.gettrillion.ai/oauth/register, with no secret, so there is nothing for you to type.
Last modified on October 1, 2026