ontology

ontosphereThHanke

165★

Browser-based RDF/ontology knowledge graph editor — load RDF from files, URLs or SPARQL endpoints; author nodes and edges on the canvas; run OWL-RL reasoning; apply multi-algorithm layout and clustering. AI-native via MCP tool surface and relay bridge. Fully client-side, no backend required.

public-data-lenshike-lab

79★

MCP-based discovery and judgment layer for Korea’s open data portal—helping AI agents find, compare, and assess datasets with explicit evidence, JSON-LD/DCAT metadata, and versioned deterministic rules.

orionbelt-analyticsralforion

45★

Ontology-based MCP server that analyzes database schemas (PostgreSQL, Snowflake, ClickHouse, Dremio) and generates RDF/OWL ontologies with SQL mappings for fan-trap-free Text-to-SQL.

ummonNayshins

38★

The semantic layer for software engineering: Connect code to meaning, build on understanding

owl-mcpai4curation

18★

MCP server for OWL applications

orangepro-mcpOrangeproAI

17★

OrangePro local-first CLI + MCP server for behavior mapping, grounded test generation, and dynamic proof.

cruxiblecruxible-ai

16★

Governed state engine for AI agents: typed, executable knowledge artifacts with a code-like lifecycle

replenreplenhq

8★

Smarter AI Development Workflows

knowledge-as-code-templatesnapsynapse

6★

A template for building structured, self-healing, agent-accessible knowledge bases. Zero dependencies. Git-native. Ontology-driven. Multi-output.

right-reasonsRight-Reasons

6★

Structured business ontology that gives AI agents deterministic access to institutional reasoning.