AI & LLMs20 July 20269 min read

Agentic RAG with Router Agents and Dynamic Tool Calling

Moving beyond naive vector lookup: building adaptive multi-agent retrieval routers that decide when to query vector databases vs SQL databases.

developerOSAuthor

Agentic RAG with Router Agents and Dynamic Tool Calling Cover

The Router Agent Design Pattern

An Agentic RAG architecture places a router LLM upstream to evaluate query intent before dispatching execution to specialized tools.

References & Further Reading:

LlamaIndex Agentic RAG Architecture

#Python #LLMs #Prompt Engineering

About the author

developerOS

The official developerOS team account.

Previous ArticleDirect Preference Optimization (DPO) vs RLHF: Simplifying Alignment for LLMs Next ArticleRAG Cache Strategies: Semantic Caching with Redis and Sentence Transformers

Keep reading

Insights has no comments. See more from this author, browse the topic, or get new articles by email.

More by developerOS Topic: AI & LLMs Email Newsletter

Explore More

Read Next on Insights

DeepSeek-R1 Architecture: How Mixture of Experts (MoE) & Reasoning Fine-Tuning Scale Intelligence

Unpacking DeepSeek-R1's Multi-head Latent Attention (MLA), DeepSeekMoE 210B sparse routing, and group relative policy optimization (GRPO) reinforcement learning.

developerOS

30 Aug 20269 min read

RAG Is Not a Silver Bullet: 7 Failure Modes We Hit Shipping a Production Retrieval Pipeline

A RAG demo answering questions correctly over ten hand-picked documents proves almost nothing about how it behaves over a real corpus. Seven concrete ways retrieval-augmented generation breaks in production, and what actually fixes each one.

developerOS

30 Aug 20267 min read

Why 'Tell Me About a Time You Failed' Trips Up Senior Engineers (and How to Actually Answer It)

Senior engineers walk into this question and either downplay a real failure into something trivial, or overshare something career-damaging. Neither answers what the interviewer is actually evaluating — and the part of the story most candidates skip is the part that matters most.

developerOS

DeveloperOS Insider

Join the Insights Newsletter

Get direct engineering insights, Cloud tutorials, career prep guidebooks, and system design breakdown analyses sent straight to your inbox.