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deeplethe

utopia

DeepLethe's open 'enterprise world model': one Rust binary plus Postgres running a bitemporal knowledge graph with ontology packs, cited hybrid search, an agent harness and MCP. Air-gap ready.

4,524 422 Rust Apache-2.0updated today
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Curator's take

For a company that wants a governed knowledge base its agents can trust, on its own hardware: ingest PDFs/Office/Markdown and sync sources (GitHub, Jira, Notion, S3), extraction follows an ontology you pick at creation (schema.org, W3C Org, PROV-O, FOAF, IOF ship in the binary), facts are bitemporal so you can ask what was known as of a date, and a built-in agent walks the graph with the same read-only tools exposed over MCP. Tantivy full-text is embedded, vectors go in pgvector, the job queue is a table — nothing else to run. NOT a memory layer for an agent app (it is a product, not a library) and not for a single person's notes: the ontology and audit machinery only pay off when several people and agents share the knowledge.

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README.md1 min read
Utopia

Utopia

The enterprise world model built by DeepLethe. It is the first open substrate for knowledge engineering that learns passively and governs itself. Where a knowledge graph or a vector store works to hold present knowledge, Utopia puts time awareness and ontology in the base layer: the knowledge system evolves as material arrives, and conflict detection, reasoning and decision making all run against that ontology. It deploys offline, so a company can stand up a knowledge foundation, a decision core its agents can trust, and a compliance audit trail on hardware it controls.

Please note: we would rather this project were not framed as an open-source take on Palantir. It is a different route to enterprise intelligence, built bottom up from knowledge governance to trustworthy decisions and simulation.



Philosophy

We gave it a somewhat romantic name, Utopia. Ptolemy's geocentric model was taken for truth for a very long time, then falsified step by step by Copernicus, Kepler, Galileo and Newton. Looking back, what we keep is not only that heliocentrism turned out to be right; it is how that history unfolded.

Where existing vector stores and knowledge graphs work to get present knowledge right, one of Utopia's founding aims is to record the whole course of changing understanding. Engineered, that becomes a bitemporal knowledge graph. When a decision is reviewed later, the system can produce the full course it took and the grounds it rested on. To make this hold up in practice we have iterated at length against