It feels like every other month, there is a new agent protocol and it’s getting hard to keep track of which protocol is used when. Recently, I looked into some of the main agent protocols and in this post, I will provide a high-level overview of MCP, A2A, A2UI, and AG-UI.
TLDR
If you’re too busy or too impatient to read the whole blog post, here’s a summary of the protocols along with links to samples in my repository:
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