---
title: "Discussion on \"Hatching a D&D spellbook sage: four RAG bugs and one that almost hid behind an editable install\" | Hashnode"
description: "Discussion on \"Hatching a D&D spellbook sage: four RAG bugs and one that almost hid behind an editable install\". I spent last week building a fake D&D 5e spellbook agent. Not because I needed one — I needed to break agenthatch v1.0.1's RAG pipeline in ways the existing test suite couldn't catch.\nFour bugs fell o"
url: "https://hashnode.com/posts/hatching-a-d-d-spellbook-sage-four-rag-bugs-and-one-that-almost-hid-behind-an-editable-install/6a6223ba265973d6aa247377"
---

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# [Hatching a D&D spellbook sage: four RAG bugs and one that almost hid behind an editable install](https://agenthatch.hashnode.dev/hatching-a-d-d-spellbook-sage-four-rag-bugs-and-one-that-almost-hid-behind-an-editable-install?utm_source=hashnode&utm_medium=feed)

I spent last week building a fake D&D 5e spellbook agent. Not because I needed one — I needed to break agenthatch v1.0.1's RAG pipeline in ways the existing test suite couldn't catch. Four bugs fell o

Jul 23 · 9 min read · agenthatch.hashnode.dev  
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## Written by

[EternalRights](https://hashnode.com/@eternalrights)

@eternalrights · Beijing, China

  
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Building agenthatch — SKILL.md → compiled AI agents. 8 core fixes to pytest. Ship beats perfect.

Learning has no timeline; expertise is domain-specific.

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