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Understand an idea. See where it breaks. Take something useful into your next build.

FDE Field Notes explores AI agents, emerging tools and the engineering decisions behind customer deployments. Written for FDEs, applied AI engineers and product engineers learning to ship AI systems.

Our readers include people at Anthropic, OpenAI, Google, Meta, NVIDIA, Microsoft, Amazon and Sarvam.

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Field Notes

001

5 min read · Free

October 24, 2026

Your AI agent timed out. Is it safe to try again?

A lost reply can leave an agent unsure whether its action succeeded. Work through operation IDs, service receipts and a recovery test that catches duplicate work.

AI agents · Recovery · Idempotency

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