Hooking an indexed corpus to a coding agent cut API validation costs 43% to $1.20
JaynitMakwana · x · 2026-10-14
Developer JaynitMakwana reports his coding agent got 43% cheaper on an API validation task — from $2.10 to $1.20 per run — after connecting API and engineering corpora via Xerj Corpus Hub.
Instead of rereading full docs every run, the agent pulls only the rules and examples it needs to validate endpoints, cutting wasted context. Xerj (Apache 2.0, OSS) positions itself as reference memory for AI agents, works with any model, and installs via a single prompt that indexes your project's sources, docs and logs.
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