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Rag
Comparing Graph-Centric and Reflective RAG Agents in Fred
A comparison of Fred’s graph-centric RAG agent (Richard) and reflective RAG agent (Rico), including architecture and evaluation metrics.
December 16, 2025 in agents, architecture by Thomas Hedan5 minutes
RAG That Pulls Its Weight: How Fred’s Retrieval Stack Leveled Up
Fred’s latest release strengthens retrieval: Lucene HNSW with cosine, semantic/hybrid/strict modes, corpus/global scope controls, chunk visibility, and attachment summaries injected into context. This post explains the why and the how.
December 11, 2025 in platform, update by Romain Perennes, Dimitri Tombroff and Simon Cariou5 minutes
MCP vs REST for RAG in Fred: Why We Run Both
Fred uses REST for graph-driven RAG (Rico, Rico Pro) and MCP for tool-driven RAG (Dominic). Running both lets us measure latency, reliability, governance, and developer ergonomics—without changing our UI or schemas.
August 17, 2025 in architecture, agents, rag by Thomas Hedan, Simon Cariou, Alban Capitant and Dimitri Tombroff4 minutes
Rico Learns to Reflect: Smarter Document Q&A with Self-RAG Techniques
Rico, the document expert agent in Fred, now leverages Self-RAG-inspired strategies to assess document quality, retry with smarter queries, and generate more accurate answers. This post explains the improvements.
August 5, 2025 in agents, update by Romain Perennes4 minutes