AI-native ontology engine: a Rust MCP server with tools for building, validating, querying, and reasoning over RDF/OWL ontologies. In-memory Oxigraph triple store, native OWL2-DL tableaux reasoner, SHACL validation, SPARQL, versioning. Single binary, no JVM.

Knowledge graph extractor: Markdown (or any format) to knowledge graph with RDFS/OWL ontology

Score any document. Prove every claim.

Local RAG MCP server for Claude Code — hybrid search (semantic + BM25), cross-encoder reranking, 13 MCP tools, 20 format parsers. Zero external servers, zero API keys.

Memory and context manager just works.

Community Repo for Nowledge Labs Products

Kappa Graph — κ(G). A semantic knowledge graph where knowledge has weight. Extracts concepts, measures grounding strength, preserves disagreement, traces everything to source.

Portable Agent Skills for building and maintaining Open Knowledge Format project wikis in plain Markdown.