notes from the field
Making cloud run itself,
one agent at a time.
Hands-on writing on agentic infrastructure, MCP, and reliability — from someone shipping it in production at a Fortune-500 aviation platform, not theorizing about it. By Ajin Baby.
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Field notes, by email
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Latest field notes
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Secrets Management: Scope, Lifetime, and the Blast Radius of a Leak
Storing secrets safely is the easy half. The damage is decided by what one credential can do, for how long, and whether you can revoke it safely.
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Load Balancing and Health Checks: The Three States Your Checks Don't Have
Balancing decides where load goes; health checks decide where it stops. Most outages here come from a check that can't tell busy apart from broken.
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Idempotency Keys: The Thing That Makes a Retry Safe
A timeout never tells you whether the work happened. Idempotency keys resolve that — if you get the concurrency and scope right.
Tools I build in the open
Who's writing this
Ajin Baby — 15 years making cloud platforms reliable, 2x founder before that. Azure AI Engineer, Neo4j Certified, IEEE member. More about me →