AgentMail launches AgentID, a sign-in button for AI agents

Free OpenID Connect integration gives agents their own app accounts, with a human owner on record.

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Agents can get their own accounts rather than borrow their owners’ logins. According to AgentMail’s launch announcement, AgentID returns an agent’s stable identifier and verified email; registered apps requesting owner scopes also receive the human owner’s name and email, without gaining access to the agent’s inbox. It works with existing OpenID Connect providers including Clerk, Supabase and Auth0, with no per-sign-in fee for apps.