Knowledge Graphs

neo4j-labs 596 · 2 days ago

Neo4j Labs' graph-native agent memory: conversations, a POLE+O entity knowledge graph and reasoning traces in one store, with a 16-tool MCP server and hosted or self-hosted backends.

cartography-cncf 4.2k · today

CNCF tool that syncs infrastructure assets and relationships (AWS, GCP, Azure, Kubernetes, GitHub, Okta and 30+ more) into a Neo4j graph, then runs security rules and Cypher queries over it.

c2g-dev 2k · 7 days ago

Turns buildings, streets, GTFS/GBFS feeds and origin-destination flows into spatial heterogeneous graphs, round-tripping GeoDataFrames, NetworkX and PyTorch Geometric for GNNs.

aws 1k · today

AWS's ontology-based context layer: scan your sources, induce ontologies, then serve validated context to agents over MCP — SPARQL federation, a virtual knowledge graph and OWL reasoning.

docling-project 938 · 3 days ago

Documents to validated knowledge graphs: Docling parses, an LLM or VLM fills Pydantic schemas, and you get a directed NetworkX graph with provenance, Cypher/CSV export and HTML views.

raphaelmansuy 133 · 3 days ago

Markdown to knowledge graph with an ontology you write: a small local decision model answers closed yes/no questions per candidate, and your cutoff keeps, queues for review or drops each link.

ruc-datalab 1.1k · 20 days ago

Renmin University's self-evolving ontology layer for data agents: builds a workload-grounded ontology over tables, files and databases, serves it via MCP, and evolves it from agent trajectories.

FalkorDB 10.5k · today

Low-latency, multi-tenant property graph database that runs queries as sparse-matrix linear algebra (GraphBLAS); OpenCypher over the Redis protocol, built for GraphRAG and agent memory.

Graphify-Labs 138.3k · 2 days ago

/graphify skill for Claude Code, Codex, Cursor and 20+ assistants: maps code, docs, PDFs and media into a local knowledge graph — tree-sitter AST, EXTRACTED/INFERRED edges, no vector store.

HelixDB 6.2k · 3 days ago

Rust OLTP graph database on object storage with native vector and BM25 search: property graph, traversal-prefiltered ANN and full-text in one transactional engine; Rust, TS, Go, Python SDKs.

ZJU-REAL 625 · 2 days ago

ZJU's self-hosted enterprise AgentOS on AgentScope 2.0: domain ontology as a control plane for agents, plus RAG, sub-agents, MCP, skills, sandbox, memory and approval-gated self-evolution.

hydra-db 13.1k · yesterday

Object-store-native distributed graph DB in Rust: graph on SlateDB over S3, snapshot-consistent OpenCypher, GraphBLAS traversal, Neo4j Bolt 5.x compatibility, disaggregated data nodes and indexers.

yifanfeng97 4.2k · today

Knowledge-extraction CLI: LLMs turn documents into structured graphs, hypergraphs and spatio-temporal knowledge — with an MCP server for agents and Obsidian vault export.

iwe-org 1.8k · today

Markdown notes as a knowledge graph: an LSP for VS Code, Neovim, Zed and Helix, plus CLI and MCP so AI agents query the same files by structure. Rust, local-first, OKF-compatible.

rahulnyk 4.2k · 2 months ago

Notebook recipe that turns any text corpus into a concept graph with a local Mistral 7B via Ollama — chunk, extract concepts and relations, add proximity edges — for Graph RAG and KG QA.

jeffhajewski 743 · 2 days ago

Embedded single-file graph database in Zig: graph traversal, HNSW vector search and BM25 full-text in one query language, plus a durable event log — built for Graph RAG and local agent memory.

jucelioalencar 24 · 6 days ago

Legible persistent agent memory: records observable execution events, consolidates only validated knowledge and explains every relation — MCP server on PostgreSQL 17 with a web explorer.

nashsu 21.1k · 8 days ago

Desktop app implementing Karpathy's LLM Wiki pattern: an LLM ingests your documents into a persistent, interlinked wiki with a knowledge graph, hybrid search, deep research and an MCP server.

Volland 37 · 26 days ago

VS Code extension + CLI: author a labeled property graph schema as YAML on a canvas, then generate Neo4j, LadybugDB, Memgraph and FalkorDB schemas, SHACL, OWL, GQL, PG-Schema and LinkML.

0xK3vin 731 · 5 months ago

MCP server that lets a coding agent build and query a typed concept graph of the project — SQLite store, in-process embeddings, merge-conflict resolution and a local web graph explorer.

mtrnix 107 · 2 days ago

Self-hosted agent memory stack in Docker: Postgres + Qdrant + Neo4j hybrid retrieval, a temporal knowledge graph, ontology layer and freshness checks behind one MCP-native API.

neo4j-labs 149 · 17 days ago

Neo4j Labs' semantic layer for data agents: ingest warehouse schema, business glossary, metrics and query history into one graph, then serve it over MCP so agents route queries and write grounded SQL.

okf-memory 844 · today

Git-native agent memory on Google's OKF v0.2: Markdown+YAML concepts in knowledge/, a zero-dep Go CLI/MCP with <300µs BM25 search, provenance and trust tiers.

ModernRelay 1.8k · today

Lakehouse graph database for agent context — graph, vector and full-text retrieval fused in one runtime on branchable Lance/S3 storage; agent fleets write on isolated branches and merge Git-style.

databrickslabs 448 · today

Turns Databricks Unity Catalog tables into a materialized knowledge graph: OWL ontology design, R2RML mapping, OWL 2 RL/SWRL/SHACL reasoning, auto-generated GraphQL — exposed to agents over MCP.

growgraph 251 · 4 days ago

Agentic ontology-assisted RDF extraction: co-evolves domain ontologies and fact graphs in a map/reduce pipeline with RDF 1.2 provenance, entity disambiguation and SHACL autofix.

wlsdks 145 · 3 days ago

Desktop app plus MCP server keeping a codebase's ontology as reviewable Markdown in the repo: domains and capabilities linked to code evidence, compiled to a graph for blast-radius queries.

fabio-rovai 2k · today

Rust MCP server + desktop Studio for AI-native ontology engineering: 70+ tools over an in-memory Oxigraph store — OWL2-DL tableaux reasoning, SHACL, SPARQL, versioning. Single binary, no JVM.

open-metadata 15.6k · today

Open metadata platform turned AI context layer: 130+ connectors feed a unified knowledge graph of lineage, quality, ownership, glossaries and contracts — served to agents via MCP and APIs.

gura105 200 · 3 days ago

Minimal TypeScript reference implementation of the Operational Ontology pattern behind Palantir Foundry: shared objects and links, action-gated writes, business rules, audit and write-back.

ralforion 218 · 2 days ago

Browser ontology workbench for OWL and SKOS on Streamlit + rdflib: OWL-RL reasoning, 22 SKOS checks, SPARQL console, bulk edits, gist starters and a vis-network graph — no Java, no Protégé.

oxigraph 2k · 6 days ago

Rust RDF graph database and SPARQL 1.1 engine on RocksDB, with Python (pyoxigraph), JavaScript/WASM bindings and a CLI server, plus reusable crates for RDF parsing, serialization and SPARQL.

Evokoa 1.1k · 1 months ago

PostgreSQL extension adding graph search, traversal and shortest-path over your existing tables — a derived graph index queried from plain SQL, no separate graph DB or query language. Rust.

semantica-agi 14.3k · today

Graph-native context infrastructure for accountable AI: ingest enterprise data, extract a knowledge/context graph (RDF + LPG), run graph analytics and causal reasoning with decision provenance.

markburgess 273 · yesterday

Mark Burgess's Semantic Spacetime knowledge graph on Postgres: write notes in the N4L language, compile them into a story graph, then search, browse and path-solve it via Go API or web UI.

deeplethe 8.6k · today

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.

The-Knowledge-Graph-Guys 242 · today

An open spec for Markdown vaults as linked data: YAML-LD frontmatter plus a shared @context makes notes an RDF graph, with reference scripts that round-trip vault to Turtle and back.