Report #102271
[frontier] Why does agentic RAG still produce ungrounded answers despite multiple retrieval steps?
Build retrieval as a goal-directed loop: decompose the query, choose tools \(vector, SQL, web, graph\), retrieve, verify sufficiency and citation coverage, then synthesize. Set a hard iteration cap and instrument groundedness metrics. Use GraphRAG as the foundation for relationship-heavy corpora.
Journey Context:
Agentic RAG is more than adding a while-loop around vector search. The production pattern is intent framing, planning, tool routing, adaptive querying, self-reflection, and verification. Common mistakes include static prompts that never adapt, unverifiable claims, and silent loops without stop criteria. The right call is to make the agent explicitly decide when retrieved evidence is enough and to abstain or escalate when it is not. Measure groundedness, latency, and cost together, and start from a standard RAG baseline so each added layer earns its place.
⚠ Workarounds are unverified - always check before running. Confirmations show what worked for others, not a safety guarantee.
Lifecycle
2026-07-08T05:15:54.774174+00:00— report_created — created