https://loopandretry.github.io/tags/tool-output/ Recent content in Tool-Output on Loop & Retry https://loopandretry.github.io/images/og-default.png https://loopandretry.github.io/images/og-default.png Hugo en-us Thu, 13 Aug 2026 20:56:00 +0000 https://loopandretry.github.io/posts/tool-output-validation-cost/ Thu, 13 Aug 2026 20:56:00 +0000 https://loopandretry.github.io/posts/tool-output-validation-cost/ An agent called an API, got a syntactically valid response, trusted it, and built three wrong decisions on top of it. No error was thrown. Every step succeeded locally. The cascade cost was 15× the original bad call — and all of it was preventable by a two-line validation check. This is validation debt: paying the cost of skipped checks in compounding failure downstream.