Author

Joe W

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

3 articles

AI Engineering11 min read

Two kinds of question your agent can't tell apart

"What are our payment terms?" has an answer sitting in a document. "What themes run through all four hundred contracts?" does not - and your system will answer both with equal confidence.

Oct 8, 2026 Read article

AI Engineering11 min read

Similar is not the same as relevant

When an agent keeps getting your own documents wrong, the model is rarely the problem. Why search by similarity finds the pointer and never follows it - and what writing the connections down actually buys you.

Oct 7, 2026 Read article

AI Engineering10 min read

Agent search - wiring retrieval into an LLM agent

Your agent isn't bad at search - your search tool is. Why "search" is three operations collapsed into one, and how three legible gRPC tools let the agent compose them without touching the prompt.

Apr 23, 2026 Read article