Agent Email Patterns Opinionated patterns for building AI agents that communicate over email. This skill covers architecture and security decisions, not SDK specifics. For AgentMail SDK usage, use the skill. Why agents need their own inboxes Giving an agent OAuth access to a human's Gmail account is the most common approach and the most dangerous: - Over-permissioned : typical OAuth scopes (e.g. ) grant read/send/delete over the entire mailbox history, far beyond what any single task needs - Prompt injection risk : the agent inherits the full inbox history as reachable context, so any crafted…