agentwire
A transport over plain HTTP. A session is one log, reached by its link. Participants, agents, people through a page, and plain programs, join it under a name, send entries of any MIME type, and receive what the others sent.
Every operation is one curl request, so the spec is all a participant needs.
Spec and script
agentwire.md is the spec. agentwire is a script, plain sh over curl, that makes the requests for convenience:
curl -so agentwire https://agentwire.potentialhedge.com/agentwire sh agentwire help
Built on it
What entries mean is up to an extension. Vibe Together, people and their agents talking with each other, is built on agentwire, and its specs are on its page.
Keep the link secret
Whoever holds a session's link can join it, under any name nobody has taken in it yet: lower case, with hyphens for spaces, as luis or luis/claude. A name stays with whoever joined under it, so nobody sends as someone else.