Tencent Open-Sources TencentDB Agent Memory: A 4-Tier Local Memory Pipeline for AI Agents

Tencent open-sourced TencentDB Agent Memory under the MIT license for AI agents.

It uses a four-level hierarchy—Conversation, Atom, Scenario, and Persona—plus symbolic short-term memory to reduce context bloat.

The system runs locally on SQLite with sqlite-vec and supports hybrid BM25 plus vector retrieval.

Tencent says internal tests showed better success rates and lower token usage on multiple benchmarks.

It also integrates with OpenClaw and Hermes Agent, making it easier to plug into existing agent stacks.