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MCP servers tagged ontology
17 live MCP servers tagged "ontology", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with ontology.
N8n As Code
Give your AI agent n8n superpowers. 537 nodes with full schemas, 7,700+ templates, Git-like sync, and TypeScript workflows.
Kweaver Dip
KWeaver DIP is an enterprise-level digital employee platform, built on KWeaver Core. It provides an AI-native environment for developing and managing digital employees on business…
Open Ontologies
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…
Brain In The Fish
Score any document. Prove every claim.
Ontosphere
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-algorith…
Public Data Lens
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 version…
Synaptic Memory
Brain-inspired knowledge graph: spreading activation, Hebbian learning, memory consolidation.
Orionbelt Analytics
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-S…
SoDam O Brain
클로드코드·코덱스 대화의 결정·약속·금지를 자동 기억, 주제·프로젝트별 분류 + 검색·2D/3D 지식그래프·타임라인 대시보드. 세션 자동 캡처, 세션 재개 시 맥락 기반 관련 기억 우선주입, 중복 기억 탐지·정리(완전일치 일괄정리 포함), 백업 목록·복원 안내, 대량 데이터 성능가드, 신뢰도 기반 검색 순위, 키보드로…
Chorus Field
Governance-first recursive cognition infrastructure — LuisCore Chorus Field MCP client + agent CLI (bootstrap, post, feed)
AI Capability Reference
Evidence-backed reference for AI capabilities, pricing tiers, availability, and platform support across ChatGPT, Claude, Gemini, Copilot, and more.
AI Tool Watch
Evidence-backed reference for AI capabilities, pricing tiers, availability, and platform support across ChatGPT, Claude, Gemini, Copilot, and more.
TheStack-ai/waypath
aware recall via FTS5 and RRF, and governed memory with explicit promote and review gates. Ships Codex and Claude Code host shims and a native MCP server.
Knowledge As Code Template
A template for building structured, self-healing, agent-accessible knowledge bases. Zero dependencies. Git-native. Ontology-driven. Multi-output.
Ontology Atlas
Local-first ontology memory for plain Codex/Claude Code via Atlas MCP/CLI: product meaning, code evidence, verification paths.
liftkkkk/owl-mcp
MCP server for OWL/TTL/RDF ontologies. Supports SPARQL queries, HermiT/Pellet reasoning, and CRUD operations on knowledge graphs. Works with Claude Desktop, Cursor, and Windsurf.
Protege MCP
An MCP (Model Context Protocol) server for Protégé Desktop: exposes the live, active ontology to MCP clients (Claude Code, Codex, …) and edits it through Protégé's shared OWLModel…