Bugs Are Innocent Until Reproduced: Building Verdict, an Evidence-First Agent Harness

7.3 relevance

Evidence-first agent harness for bug reproduction is highly relevant to AI agent testing and developer tooling.

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Why It Matters

For platform engineers debugging flaky infrastructure or agent orchestration pipelines, Verdict provides a reproducible, audit-trail approach that separates exploration from proof, eliminating the 'cannot reproduce' dead-end common in distributed systems.

Key Takeaways

Adopt an evidence-first workflow for intermittent failures: define a condition matrix, run controlled experiments with contrasting controls, and store all observations in a verifiable ledger before claiming a fix.

Bugs Are Innocent Until Reproduced: Building Verdict, an Evidence-First Agent Harness

Summary

Verdict is an evidence-first agent harness that treats bug reproduction as a bounded experiment rather than a conversation. It uses three subagents—Hunter, Surgeon, and Insurance—to find the trigger, localize the change, and produce a regression plan, with all observations stored in a deterministic evidence ledger. The system successfully reproduced TrueForge issue #417 by running a stalled-endpoint condition (10/10 failures) against a responsive control (0/10 failures), binding results to runtime, commit, and provenance hashes for verifiability.

Author

Himanshu Kumar