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Martin Omander was getting confused by all the new AI acronyms, so he grabbed Debanshu Das to figure out exactly when to use what.
They walk through a "FixIt Fast" example, a fictional company building real world AI tools like a technician helper and a warranty verifier. For each use case, they pinpoint exactly which architecture (RAG, MCP, sub-agents, or A2A) is the correct solution.
It turns out there are clear rules of thumb for each scenario. We map them out in this video so you don’t have to guess when you start building.
Chapters:
0:00 – Intro: the “Swiss army knife” of AI
1:27 – The technician helper (RAG)
2:37 – The executive insights dashboard (MCP)
4:07 – The supply bot (MCP)
5:38 – Triage & dispatch (sub-agents)
6:57 – The warranty verifier (A2A)
8:16 – When to use each technology
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Speakers: Martin Omander, Debanshu Das
Products Mentioned: Agent Development Kit











