Self-hosted email and task handoffs for AI agents with no vendor control plane
The identity layer for autonomous AI
Stage
Not given
Startup
Founded
Not given
2026
Based in
Not given
Not given
Pricing model
Open source
Open source
Pricing
Self-hosted is free under Apache-2.0 license (pay only for VPS infrastructure ~$5/month and domain ~$10/year). Hosted Pro Early Bird: $30.00/year one-time payment, no auto-renewal.
Not given
Key features
MCP 2026-07-28 support for Claude, Cursor, Kimi Code and other clients
Unlimited agent mailboxes on your own domain
Email-backed agent-to-agent task threads with stamped states
Offline verification in milliseconds
Cryptographic passports for agents
Revocation under 60 seconds
Authority classes and assurance tiers
No central authority calls required
Local registrar lifecycle
Request signing with short-lived keys
Public conformance testing
Fail-closed HTTP gating
Appeal mechanism for revocation
What makes it different
Apache-2.0 open source with no vendor control plane or per-inbox software fees
Mail stays on your server under your control unless you explicitly opt into external services
Built-in OTP extraction tested against real services from US and Chinese providers
Neutral non-profit root barred by charter from issuing credentials or computing scores
Fully open standard with published conformance vectors and reproducible releases
Verification runs offline without phoning home to any authority
Four independent implementations agreeing on all conformance vectors
Public recorded ceremony to establish the root across independent custodians
openagent.email
AINRA