FinanceAI by Sergio Jardon
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AI pills

A collection of 2 posts
Agent Architecture Deep-Dive: Reflexion
AI pills

Agent Architecture Deep-Dive: Reflexion

Two weeks ago I covered ReAct, the foundational reason → act → observe loop that most agents are built on. ReAct reasons well within a single pass, but it has no mechanism for actually getting better when that pass fails. Reflexion fixes that gap. How it works Reflexion wraps a task attempt
29 Sep 2026 2 min read
Build dashboard with Excel
Excel

Build dashboard with Excel

If you've ever spent an afternoon wiring up charts, pivot tables, and conditional formatting just to get a status view you'll have to rebuild next month, Microsoft's newest Excel feature is aimed squarely at you. It's called Copilot Canvas, and Microsoft describes
23 Sep 2026 1 min read
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