Helix Db
Knowledge Graphs · Vector Search & RAG
Overview
Knowledge graphs, vectors, temporal, and full-text search in one Rust engine — for agent memory, RAG, and company brains. Build memory yourself, or build your memory product on top of it.
Funding and backers
Backers
1
Y Combinator
Momentum
30/100
in the news, rising traction
Last sign of life
2 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Tractionpublic signals, read monthly
Web presence
top 7%
of 133.2M domains by links, Common Crawl
Hacker News stories
2
best: 2 points
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
backs SurrealDB
Similar startupsby what they do, their industry and backers
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Zep provides a memory layer for AI agents, storing conversation history as a temporal knowledge graph that can be queried later. Developers…
Connections
List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors
Y CombinatorVia a fund
6310 portfolio companies
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
Shared investors
News
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Query Insights connects live latency, typed planner findings, active indexes, and grounded recommendations in the Helix dashboard and through MCP.
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Offices
Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
London
United Kingdom
HQ