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MCP servers tagged semantic-web
23 live MCP servers tagged "semantic-web", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with semantic-web.
Semantica
Semantica 🧠 — A framework for building semantic layers, context graphs, and decision intelligence systems with explainability and provenance.
Web Algebra
Suite of generic Linked Data/SPARQL as well as LinkedDataHub-specific MCP tools
LinkedDataHub
The low-code Knowledge Graph application platform. Apache license.
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…
Ontoskills
OWL 2 skill compiler for deterministic AI agents — transforms SKILL.md into validated RDF/ Turtle ontologies with SHACL gatekeeper
MIF
Open standard for portable AI knowledge interchange — JSON-LD + Markdown dual format with W3C PROV provenance, bi-temporal tracking, entity relationships, and OKF support.
WebSense MCP
WebSense MCP 2.0 — non-vision browser automation in 7 tools: browse, find, act, read the diff. Trusted input, same-origin frames, and a cached diff of every action. No screenshots…
Reckons.AI
A local-first personal knowledge graph — turn documents, web pages, and notes into a reviewable graph of facts, stored as a standard Turtle (.ttl) file you own.
Agent Native Web
Contract-native web infrastructure for agents: typed resources, direct media, live state, safe actions, and receipts.
Sparql
Generic SPARQL 1.1 MCP server — connect any AI agent to any triplestore (Fuseki, GraphDB, Stardog, Virtuoso, Neptune, Blazegraph)
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…
Mondo Link
MCP server for the Mondo Disease Ontology: disease term lookup, the is_a hierarchy, and cross-ontology mapping across OMIM, Orphanet, DOID, NCIT, UMLS and MeSH.
Sourcepath
Maps source repositories into inspectable RDF knowledge bundles — files, imports, ASTs, symbol xrefs, and a SKOS concept graph — SHACL-validated, with mechanically derived facts k…
Sempods Spec
The sempods specification — the contract a semantic pod implements: contexts, grants, OAuth, LOD CRUD, SPARQL, find. Reference implementation: sempods-kotlin.
VISEONIO
VISEON - Semantic Intelligence for AI Discoverability, Search and Commerce. Schema.org, MCP, NLWeb, ACP and AP2.
Machine Meaning Layer
Open protocol proposal for AI-readable, claim-level, verifiable web content using JSON-LD, provenance, signatures, embeddings and trust signals.
Conceptnet MCP
ConceptNet MCP Server (Semantic Knowledge for LLMs)
Pvcollada Onto
OWL 2 ontology for the PV-Collada 2.0 schema, aligned with MDS-Onto. Includes local Oxigraph SPARQL endpoint and MCP server for Claude agent integration.
Sempods Kotlin
sempods reference implementation for the JVM — pod server, identity service, hosted MCP, clients
Semantic Runtime
Semantic infrastructure layer for AI Agents: semantic understanding, context resolution, evidence, and safe execution between models and tools.
Semanticbrowser
Rust semantic browser enabling AI agents to understand and interact with web content.
Onto MCP
No description published.