← 🤖 Retrieval & Agents
Advanced
Agent-to-Agent Interoperability (A2A)
MCP standardizes what an agent reaches downward, its tools. A2A standardizes what it reaches sideways, peer agents it neither owns nor can inspect. The second problem is harder because the peer is opaque by design, and it is the one an FDE meets first: the customer already has agents, and you do not get to redeploy theirs.
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