Posts by Esteban Torres
AI Platform & Infrastructure
tsindex: Giving Coding Agents a Code Index Instead of a File Dump
Why we built a tree-sitter code index for coding agents, what real workloads taught us about tool design, and where our benchmarks show gains in speed, tokens, and cost.
Esteban Torres · · 16 min read
AI Platform & Infrastructure
tsindex on DeepSWE: Less Context, Lower Cost
A paired DeepSWE task run with GPT-5.5 shows how structural code navigation can reduce time, tokens, and cost—and what a single comparison can tell us.
Esteban Torres · · 7 min read