---
title: "Why your agents need decision traces, not just documents — Zach Blumenfeld, Neo4j"
category: "resources"
sourceLabels:
  - "Public YouTube metadata"
  - "YouTube transcript"
videoId: "B9h9ovW5H9U"
last_enriched: "2026-07-15T23:40:59.255246+00:00"
---
# Why your agents need decision traces, not just documents — Zach Blumenfeld, Neo4j

## What It Is
An official AI Engineer YouTube channel video with a cached transcript. It is retained as supporting context only because it has not been verified as an actual AI Engineer World's Fair San Francisco 2026 event recording.

## Source Classification
- Source role: supporting official-channel video context, not first-class event evidence.
- Channel/source: official AI Engineer YouTube channel AI Engineer cut video.
- Use: background, speaker, company, or historical AIE context only; do not use for World's Fair San Francisco 2026 session claims unless manually verified against the official event.

## Transcript Status
Cached transcript text is available at `raw/sources/youtube-transcripts/B9h9ovW5H9U.txt` (2,859 words).

## Topic Signals
- [[agent-memory|Agent Memory]], [[coding-agents|Coding Agents]], [[mcp|MCP]], [[agentic-search|Agentic Search]]
- Transcript keywords: `schema`, `used`, `accept`, `getting`, `asked`, `probably`, `domains`, `accurate`

## Link
[YouTube](https://www.youtube.com/watch?v=B9h9ovW5H9U)

## Extracted Slides
- [[youtube-B9h9ovW5H9U-dense-slides]]
- [[youtube-B9h9ovW5H9U-reconstructed-slides]]
- [[youtube-B9h9ovW5H9U-slides]]