Blog
What I learn by building.
I write about what I build: why I did it that way, what went wrong and how I fixed it.
FeaturedSeptember 14, 20265 min read
I made my coding agent spend up to 30 times less, and I measured it
A map of the code, three searches at once and an answer ready to use, with the real numbers on how much it changes.
RAGCoding AgentsArchitectureProductivity
More articles

July 1, 20264 min read
KC-RAG: retrieving code with structural intelligence
If cutting code by size doesn't work, you have to cut it where the code itself splits. This is what I built.
RAGASTLLMArchitectureCoding AgentsHybrid Search

June 23, 20263 min read
Why chunking breaks your coding agent (and almost nobody notices)
With RAG over code, the problem is almost never the model but how we split the code. What I learned by breaking it.
RAGAgentsLLMAST

June 18, 20262 min read
I'm Ismael, and this is leo/
Where I come from, how I learned and why the site has this name.
leo/ArchitectureDevelopment