Cookbook
Integrations
Stable
Install Agent Gmail Service
Give your app a Gmail mailbox the agent can read and write — per-user OAuth, encrypted refresh tokens, a GmailAgent service (search/read/label/send), and a draft-first AgentGmailTools wrapper that will not mail a customer without an explicit confirm. Includes the reply-threading fix that stops your replies arriving as brand-new conversations.
Related
Cookbook
Install Leo SMS Gateway
The sibling inbox. Same agent loop reads both — set this guide up first if you want the loop to check email as well as text.
Cookbook
Outbound Email Safelist
Stop a staging or seeded app from mailing real people while you build.
Link
Gmail API — Users.messages reference
Official reference for the message, draft, thread and label endpoints used below.