Originally published at twarx.com - read the full interactive version there. Last Updated: June 20, 2026 Every RAG pipeline your team spent six months tuning is now a liability. Amazon Bedrock AgentCore web search just handed managed, policy-controlled, real-time web grounding to any agent in your stack — and most builders haven't yet grasped that this kills the retrieval architecture they shipped to production last quarter. AgentCore web search is a managed tool primitive inside Amazon Bedrock that returns structured, policy-filtered, freshness-stamped web results directly into an agent's reasoning loop — natively integrated with IAM, guardrails, and CloudWatch from day one. It matters right now because the official AWS announcement just made the bespoke scraper-plus-vector-DB stack economically indefensible.…