# Amazon — Build multi-tenant agentic chat applications on enterprise data with Amazon Bedrock Managed Knowledge Base

- Company: Amazon (amazon.com)
- Announced: 2026-08-31T18:56:12+00:00
- Subject: Bedrock / Nova
- Source: https://aws.amazon.com/blogs/machine-learning/build-multi-tenant-agentic-chat-applications-on-enterprise-data-with-amazon-bedrock-managed-knowledge-base/
- Record: https://forck.live/items/7142-build-multi-tenant-agentic-chat-applications-on-enterprise-data-with-amazon

Multi-tenant agentic chat assistants have become a frequent request for large-scale customers, and document chat sits at the top of the list. A user uploads a contract, a report, or a product manual, and then researches or asks questions about it immediately or in the future. The conversational interface is straightforward to build, but the multi-tenant agentic retrieval system behind it is not. Each tenant’s documents must stay isolated from every other tenant’s, and that boundary must be enforced from a verified identity rather than a value sent by the client. Agentic retrieval compounds the problem. The agent decomposes a question into sub-queries and runs multiple retrievals, and every one of those hops must carry the tenant filter or isolation breaks. You also still need a vector and full-text search engine, an ingestion pipeline that parses and embeds multiple modalities, and a synchronized index. For a team that set out to ship this feature, that is a substantial amount of infrastructure to build, secure, and operate. With Amazon Bedrock Managed Knowledge Base , you can alleviate that undifferentiated work. …

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