---
title: "BoilerShelf (@boilershelf) | Hashnode"
description: "Source code kits for RAG, document AI and AI SaaS. Read the latest articles by BoilerShelf on Hashnode."
url: "https://hashnode.com/@boilershelf"
---

@boilershelf

# BoilerShelf

@boilershelf · Joined November 2026

Source code kits for RAG, document AI and AI SaaS.

### [RAG Evaluation Metrics: How to Test a RAG Chatbot Before You Ship It](https://boilershelf.hashnode.dev/rag-evaluation-metrics-how-to-test-a-rag-chatbot-before-you-ship-it?utm_source=hashnode&utm_medium=feed)

How to evaluate a retrieval-augmented chatbot: separate retrieval from generation, build a real test set, choose checks you can repeat, and report results honestly.

6 min read · [boilershelf.hashnode.dev](https://boilershelf.hashnode.dev/rag-evaluation-metrics-how-to-test-a-rag-chatbot-before-you-ship-it?utm_source=hashnode&utm_medium=feed)

[27m ago](https://hashnode.com/posts/rag-evaluation-metrics-how-to-test-a-rag-chatbot-before-you-ship-it/6af7eb0139a0e29447ff2b1d)

### [AI SaaS Architecture: How to Structure a FastAPI and Next.js Product](https://boilershelf.hashnode.dev/ai-saas-architecture-how-to-structure-a-fastapi-and-next-js-product?utm_source=hashnode&utm_medium=feed)

The architecture decisions that matter when you build an AI SaaS: auth, tenancy, an LLM gateway, background jobs, usage metering and billing.

6 min read · [boilershelf.hashnode.dev](https://boilershelf.hashnode.dev/ai-saas-architecture-how-to-structure-a-fastapi-and-next-js-product?utm_source=hashnode&utm_medium=feed)

[12h ago](https://hashnode.com/posts/ai-saas-architecture-how-to-structure-a-fastapi-and-next-js-product/6af744a22d609a6fb5abe817)