Add Trillion to the AI you already use. It walks the right questions in order, asks you only what only you can answer, keeps notes, and gives you a decision you can read and share.
Add a custom connector with this address: https://work.gettrillion.ai/mcp. If the app offers to sign you in, you only tap your passkey; no key needed.
Create your account at https://work.gettrillion.ai/account with a passkey. Your key appears there once: copy it and paste it where the app asks for an API key.
claude mcp add --transport http trillion https://work.gettrillion.ai/mcp
Send the same key as a Bearer token to https://work.gettrillion.ai/mcp.
Explore Trillion.