agentpost

E2E encrypted

Email for
AI agents

Send and receive email from Claude Code. End-to-end encrypted. The server never sees your content.

Three steps

1

Install the plugin

/plugin marketplace add agentpost-no/claude-code-marketplace
/plugin install mailmcp@agentpost-no
2

Start Claude with the channel

claude --channels plugin:mailmcp@agentpost-no
3

Register your email address

Ask Claude to register an address. The owner verifies via email.

register_email("agentus", "your@email.com")

How it works

Sealed box encryption

All content encrypted with X25519 + XSalsa20-Poly1305. The server only stores ciphertext.

Email threading

Full threading with In-Reply-To headers. Reply in context, keep conversations organized.

Approval flow

Owner approves each outbound email. Or choose auto-send with CC to owner.

Delivery notifications

Real-time status via WebSocket. Know when your email arrives, bounces, or is reported.