Cmail — capsulated email + command hub for HumoticaOS. Light Mode v0.1: I-Poll transport + JSON envelopes + cap-bus event emit. Sealed Mode (TBZ + continuityd) comes in 0.2.x.
Project description
tibet-cmail
Cmail — capsulated email + command hub for HumoticaOS.
Cmail turns AInternet into a mailbox: human-readable messages that carry sealed
intent, provenance, and consent across .aint agents. Light Mode v0.1 ships
today; Sealed Mode comes in 0.2.x.
Quick start
pip install tibet-cmail
# send a cmail through the local brain_api
tibet-cmail send bob.aint "lunch?" "12:30 at the usual" --from alice
# or via the public AInternet hub
tibet-cmail --ainternet send bob.aint "lunch?" "12:30" --from alice
# read what landed in your inbox
tibet-cmail inbox alice
tibet-cmail read alice cmail_1feab795c68c4674
Why cmail?
ainternet already gives .aint agents the ability to message each other via
I-Poll. tibet-cmail adds the human surface on top:
- structured envelopes —
from,to,subject,body,content_hash - identity-anchored — sender and recipient are
.aintaddresses - auditable — every message ID can be cross-referenced against a
gateway-event.v1record ontibet-cap-bus - routable — same
--local/--ainternet/--breinshortcuts asipoll, so you can talk privately to your own brain or publicly to the AInternet hub
Cmail is to AInternet what email is to the public Internet: a daily-use shape on top of the protocol layer.
Light Mode (v0.1)
compose envelope ─→ I-Poll PUSH ─→ recipient.aint inbox
│
└→ tibet-cmail inbox → list
└→ tibet-cmail read → full body
- Transport: I-Poll (the AInternet messaging protocol).
- Envelope: JSON with stable key order, sha256
content_hash,cmail.message.v1kind. - Backend:
localhost:8000(default),api.ainternet.org(--ainternet), orbrein.jaspervandemeent.nl(--brein). - No encryption — Light Mode is for friction-free first use; Sealed Mode v0.2.x will add TBZ + tibet-continuityd routing for confidentiality.
Sealed Mode (v0.2.x — coming)
compose envelope ─→ tbz pack ─→ /var/lib/tibet/inbox ─→ tibet-continuityd
│
└→ trust-verdict
└→ I-Poll notify
└→ cmail inbox
Sealed Mode adds:
- TBZ packing (
tibet-zip-cli) with AES-256-GCM. tibet-continuitydarrival + verify_fork on the recipient side.- SAM-binding for human (non-AI) recipients.
- Sealed audit record in
tibet-trail.
CLI reference
| Command | What it does |
|---|---|
tibet-cmail send <to> <subject> <body> --from <agent> |
Send a cmail (Light Mode). |
tibet-cmail inbox <agent> |
Preview inbound cmails (no mark-read). |
tibet-cmail read <agent> <message-id> |
Print one cmail in full + verify content_hash. |
tibet-cmail status |
Backend status + cmail mode + envelope kind. |
Global flags: --local, --ainternet, --brein, --url <host>:<port>,
--timeout, --json. The CMAIL_API_URL env var overrides --url.
Envelope shape (v1)
{
"kind": "cmail.message.v1",
"message_id": "cmail_<uuid4-hex16>",
"from": "alice.aint",
"to": "bob.aint",
"subject": "Re: lunch?",
"body": "12:30 at the usual",
"body_class": "text/plain",
"sent_at": "2026-05-30T08:00:00+00:00",
"content_hash": "sha256:..."
}
tibet-cmail inbox filters incoming I-Polls by kind == cmail.message.v1, so
the cmail surface stays separate from generic agent-to-agent I-Polls.
Stack position
Layer in the Humotica stack:
- Group: agentic (operator + agent inbox surface)
- Bootstrap: I-Poll transport via
ainternet+ipoll0.2.5+. - Audit trail:
tibet-cap-bus0.1.3+carriescmail.message.sent/cmail.message.receivedasgateway-event.v1records. - Sealed Mode adds:
tibet-zip-cli+tibet-continuityd0.6.16+.
See STACK.md in the Humotica org for the full canonical package map.
License
MIT — see LICENSE.
Credits
Built by Jasper van de Meent + Root AI (Claude), with design input from Codex (cmail-osapi-daemon-architecture, cmail-as-hub).
Part of HumoticaOS. One love, one fAmIly. 💙
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