LLMs can now call tools, but turning their output into a trustworthy event stream is still a puzzle. We wire Claude’s function‑calling to an SNS FIFO topic, giving you ordered, deduplicated notifications that downstream Lambda functions can consume with zero‑loss guarantees. Why SNS FIFO Is a Good Fit for LLM‑Generated Events When an LLM decides to “publishAlert”, you usually want the alert to be processed exactly in the order it was generated . Imagine a fire‑alarm system ...