Lithium Core
Relational DatabasesA PostgreSQL‑based storage engine that gives AI agents hierarchical, versioned, scoped data access via an indexed tree (ltree).
Features
- Hierarchical tree structure backed by PostgreSQL's ltree index for fast lookups
- Built‑in immutable versioning of entries and clusters
- Scoped retrieval – fetch everything under a given path in one query
- TypeScript API with explicit Result<T, E> types (no exceptions)
- MCP server exposing four tools (`list_clusters`, `get_context`, `create_cluster`, `create_entry`) for AI agents
Recent releases
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TypeScript
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Install & Platforms
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npm
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