A failure ladder for retrieval-augmented agents
A wrong answer is the final symptom of failures that may begin with source coverage, access control, parsing, retrieval, context assembly, generation or action.
Methods for connecting evaluation cases, measures and thresholds to a decision.
A wrong answer is the final symptom of failures that may begin with source coverage, access control, parsing, retrieval, context assembly, generation or action.
Specify the workflow, evidence, responsibility and exit conditions suppliers must meet, then evaluate them through representative scenarios.
A reference trace can explain one acceptable journey. Treating it as the only correct path can punish valid behaviour and conceal unsafe alternatives.
Accept an agent against outcome distributions, critical invariants and recovery evidence—not one scripted response or an average score.
A passing patch is only the start. Repository evaluation should test understanding, change quality, security, reviewability and recovery.
A convincing message can conceal a failed or unauthorised operation. Agent evaluation must inspect tool calls, external state and control decisions.
An orchestrator should be judged by the workflow it controls: decomposition, routing, state, authority, recovery, verification and stopping—not by a polished final response.
Product leaders need evaluation evidence that connects workflow outcomes, user experience and policy behaviour to a release choice—not a leaderboard score.
A support agent should be judged on whether it resolves the right problem safely, not on whether its first answer sounds convincing.
Confidence is not a universal percentage. It is a judgement about evidence quality, uncertainty, consequence and the reversibility of the proposed release.
Time saved is not an outcome until the original work, quality, case mix and destination of released capacity are measured on comparable terms.
Keep workflow cases, graders and decision rules separate from the platform so alternatives can be compared without rebuilding the standard of proof.
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Read the method, assumptions and questions to ask.