auditability2026-01-181 min read
Audit Evidence and Lineage for LLM Agents
How to generate audit-ready evidence from agent runs—tool call lineage, approvals, and replayability.
title: Audit Evidence and Lineage for LLM Agents
description: How to generate audit-ready evidence from agent runs—tool call lineage, approvals, and replayability.
date: 2026-01-18
tags: [auditability, compliance, governance, evidence]
The core requirement: reconstruct what happened
An auditor (or your internal security team) should be able to answer: what inputs were used, what tools were called, what data was accessed, what output was produced, and who approved the action.
Evidence artifacts
- Run envelope (policy hash, routing decision, budget)
- Tool call ledger (args + redacted responses)
- Replay package (prompt + tool schemas + policy bundle)
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