Author

Harrison Itotia

Articles by Harrison Itotia, engineer at TechBridge — production notes on the agent systems, protocols and services we build and run.

5 articles

Architecture10 min read

Ordinary systems fail loudly. These fail plausibly.

A language model system returns 200, the answer is fluent, every dashboard is green, and it is wrong. The four-column table that forces you to admit which failures you have no control for.

Oct 6, 2026 Read article

AI Engineering12 min read

Every check passed. The customer found it anyway.

A model stopped saying anything and kept typing for four thousand words. Three automated checks called it clean - including a second model asked to review the first. Why we now use arithmetic where the textbook uses a judge.

Sep 29, 2026 Read article

AI Engineering10 min read

Why Go is the perfect language for building agents

The model is the easy part. An agent is a long-lived concurrent server that fans out to unreliable I/O, streams while it works, and must never forget whose data it is touching — which is Go's home turf, not Python's.

Sep 2, 2026 Read article

Architecture10 min read

Why narrow specialists beat one 30-tool agent

The fastest way to stall an agent in the pilot is to hand one model thirty tools. Decision paralysis is an architecture problem — and a small team of narrow specialists is the fix that ships.

Aug 12, 2026 Read article

Protocols11 min read

Introduction to A2A - agent-to-agent over gRPC

The Agent-to-Agent protocol gives multi-agent systems the same transport story REST gave web services. A walkthrough with Go.

Apr 9, 2026 Read article