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gbrain

4 articles · Page 1 of 1
Shuge Unlimited
Shuge Unlimited
Jun 16, 2026 · Artificial Intelligence

Beyond mem0: How YC CEO’s Open‑Source AI Memory Engine Uses Regex Instead of LLMs to Power a Knowledge Graph

The article dissects GBrain, an open‑source AI memory engine from Y Combinator’s Garry Tan, showing how a dual‑engine contract, zero‑LLM regex‑based knowledge‑graph extraction, and a layered hybrid retrieval pipeline boost P@5 from ~18 to 49.1 while detailing engineering trade‑offs, batch‑write work‑arounds, weighting constants, and reliability mechanisms.

AI AgentHybrid RetrievalKnowledge Graph
0 likes · 21 min read
Beyond mem0: How YC CEO’s Open‑Source AI Memory Engine Uses Regex Instead of LLMs to Power a Knowledge Graph
Data Party THU
Data Party THU
Jun 11, 2026 · Artificial Intelligence

GBrain’s 14K‑Star Open‑Source System Solves AI Agent Forgetting

GBrain, the open‑source AI agent memory platform with over 14,000 GitHub stars, uses a three‑layer architecture—Markdown‑based truth source, hybrid retrieval with PGLite, and 34 skill workflows—to eliminate agent forgetting, achieve a 31.4% retrieval boost, and provide Python integration via the MCP protocol, while outlining practical deployment pitfalls.

AI memoryHybrid RetrievalKnowledge Graph
0 likes · 17 min read
GBrain’s 14K‑Star Open‑Source System Solves AI Agent Forgetting
AI Engineering
AI Engineering
Apr 11, 2026 · Artificial Intelligence

GBrain: Open-Source AI Memory Engine that Gives OpenClaw and Hermes Long-Term Recall

GBrain, an open‑source AI memory hub created by YC partner Garry Tan, combines Postgres tsvector keyword search with pgvector semantic search via RRF, manages thousands of Markdown notes, and runs an automated nightly agent that refines and links memories, offering a practical long‑term recall layer for agents like OpenClaw and Hermes.

AI memoryHermesOpenClaw
0 likes · 4 min read
GBrain: Open-Source AI Memory Engine that Gives OpenClaw and Hermes Long-Term Recall