Writing
From the field.
What Jigar learns building and training, shared as posts. Specifics over slogans.
Latest
Architecture7 min
Why your agent keeps failing after 3 steps
The exit condition problem nobody talks about. Most agents are built for the happy path, where every tool call succeeds and the task completes cleanly. Real production agents are different.
Nov 8, 2025Read
Tool Design7 min
The one rule for designing agent tools that actually work
One tool, one purpose. Every tool that does two things will fail you on the third call. I have watched this pattern fail in every team I have trained, and the fix is the same refactor.
Oct 17, 2025Read
Architecture7 min
RAG vs CAG: when to retrieve, when to cache, when to combine
A decision framework from real implementations. RAG retrieves. CAG stores in cache. Knowing which to use, and when to combine both, determines whether your agent finds the right answer at the right cost.
Sep 21, 2025Read