Tag: a2a

There is no single Skill type in the Microsoft Agent Framework, but you can package domain expertise as a reusable agent, reuse it in-process with AsAIFunction, and advertise it across frameworks as an A2A AgentSkill. Full walkthrough on Agent Framework 1.0 and .NET 11.

MCP connects one agent to its tools, A2A connects independent agents to each other. They are not competitors. Add MCP first, reach for A2A only when you have multiple separately deployed agents. Here is the wire-level difference and the code.