Marco Casalaina, VP of Core AI Products at Microsoft, uses Warp, Microsoft 365 Copilot, and ChatGPT to build lightweight micro-agents on demand, handling tasks ranging from Azure administration to document scanning to video compression.
The piece matters because Casalaina is not describing a future workflow. He is describing his current one, and the specific toolchain he names, Warp as a terminal layer, Copilot for organizational context, ChatGPT for ad hoc scripting, reveals how a senior AI executive at the company shipping these products actually strings them together in practice. The gap between what Microsoft sells and what its own VP reaches for is worth noting.
Read the full interview for the specific micro-agent construction patterns Casalaina uses, the criteria he applies when deciding whether to automate a task at all, and where he thinks this class of tooling breaks down.
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