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Topic

debugging

4 essays on this topic.

Papers
  1. Assume the LLM never ran

    A 208 MB log, 59,356 retries, and zero LLM calls. A debugging story about what happens when the symptom lies about the cause.

  2. The One Env Var That Cost a Day

    ANTHROPIC_API_KEY vs ANTHROPIC_AUTH_TOKEN — how a single wrong environment variable made an AI coding pipeline silently fail for hours, and the debugging journey that found it.

  3. Your AI Agent's Quality Gate Is Lying to You

    A 96% rejection rate that was actually a 96% false positive rate — how a monitoring blind spot turned a productive overnight batch into apparent failure.

  4. The Silent Stall: Debugging GPT-5.4-Pro's Responses API

    Three hours of debugging revealed two non-obvious behaviours about GPT-5.4-Pro that aren't in the docs: a minimum token budget requirement and a wall-clock timeout gap in Rust async code.