Open source · Apache-2.0

kin-db

kin-db: the semantic engine

The SQLite of semantic graphs.

The embedded engine Kin is built on: graph storage, snapshots and temporal branching, plus integrated lexical (BM25-style) and vector (HNSW) retrieval. Code-native, not a Cypher server you have to run.

View kin-db on GitHub

How it relates to Kin

Stores and queries the graph that Kin treats as truth.

Related surfaces

Kin is one system with a few clear surfaces. Explore how the rest of the ecosystem fits together.

kinApache-2.0

The semantic system of record.

kin-vfsApache-2.0

Make any tool graph-native, invisibly.

kin-editorApache-2.0

Kin in your editor, not a fork.

kin-mcpApache-2.0

Semantic context for any AI agent, over MCP.

One system. A few clear surfaces.

The open Kin substrate is the adoption wedge; the hosted KinLab control plane is the platform. Install the tooling, or get early access to the hosted layer.

Request early access Install Kin