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Foundation Protocol is a proposed coordination layer for what its authors call an “agentic society” — the emerging world where many AI agents, built by different parties, need to discover, negotiate with, and coordinate with each other.

## Where it fits in the protocol stack

2026’s agent infrastructure has been assembling in layers: MCP (agents call tools), A2A (agents talk to other agents), AG-UI and A2UI (agents render interfaces). Foundation Protocol aims at the social layer above point-to-point messaging — how a population of agents coordinates at scale: identity, trust, task allocation, conflict resolution. Less “agent A calls agent B,” more “how does a market or society of agents organize itself.”

## Why it matters

As agents multiply, the hard problems stop being about a single agent’s capability and start being about coordination — the same shift that took distributed systems from “make one server fast” to “make a thousand servers agree.” If multi-agent systems are the future, and this week’s Kanbots, Tycono, and orchestration tools suggest the industry thinks so, they need a coordination substrate. Foundation Protocol is an early, necessarily speculative attempt to define one — but it points at a real gap.