The agent identity vocabulary.
The terms behind giving an AI agent a real, verifiable presence — defined in plain English, with how they fit into Mailgent.
Agent email address
The deliverable address assigned to an agent, like name-id@mailgent.dev.
Agent identity
The verifiable credentials that let an agent prove who it is and act accountably.
Agent inbox
A real email address an AI agent owns and operates programmatically.
Decentralized identifier (DID)
A globally unique identifier its subject controls, with no central registry.
did:web
A DID method that anchors an identity to a domain via an HTTPS-hosted document.
DKIM
A signature standard that proves an email really came from its sending domain.
Ed25519
The fast, modern signature scheme behind an agent's signing key.
Model Context Protocol (MCP)
An open protocol that exposes external tools and data to AI models.
Spending mandate
Rules that cap what an agent's wallet can spend, enforced at the wallet.
TOTP
The rotating six-digit 2FA code derived from a shared secret and the clock.
Verifiable credential
A signed, tamper-evident claim a third party can verify independently.
x402
A protocol that uses HTTP 402 to let agents pay per request, no account needed.
Give your agents a real identity.
An inbox, a vault, a calendar, a DID, and a wallet — one API call away.