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MCP servers tagged sparql
31 live MCP servers tagged "sparql", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with sparql.
Sparql LLM
🦜✨ Chat system, MCP server, and reusable components to improve LLMs capabilities when generating SPARQL queries
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.
Grafeo
Grafeo is a pure-Rust, high-performance graph database that can be embedded as a library or run as a standalone database, with optional in-memory or persistent storage. Grafeo sup…
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…
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…
SeleneDB
The AI-native graph database. Pure Rust, single binary, runs everywhere from a Raspberry Pi to a cloud VM.
Ontoskills
OWL 2 skill compiler for deterministic AI agents — transforms SKILL.md into validated RDF/ Turtle ontologies with SHACL gatekeeper
Togomcp
MCP server for life-science knowledge graphs
Khive
A knowledge graph your AI agents build, query, and grow. Built for agents that need structure beyond vectors
Comunica Feature MCP
📬 Comunica packages for exposing query execution through MCP
Italianparliament
CLI and MCP server for querying Italian Parliament SPARQL endpoints (Camera dei Deputati and Senato della Repubblica)
Sparql MCP
A read-only MCP server that exposes a SPARQL 1.1 endpoint as agent tools: query, ask, list graphs, describe entity. Every write verb is rejected before it reaches the store, so an…
Agent Owl
Cryptographic file integrity monitoring with OWL/RDF ontology and EU AI Act compliance for Claude Code
Sparql
Generic SPARQL 1.1 MCP server — connect any AI agent to any triplestore (Fuseki, GraphDB, Stardog, Virtuoso, Neptune, Blazegraph)
RDFPortal MCP
MCP server for the RDF Portal
Qlever
A Model Context Protocol (MCP) server for the QLever SPARQL engine. Connect any MCP-compatible client to knowledge graphs powered by QLever.
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.
Arknet
DDD architectural models that machines can understand. W3C standards (RDF/OWL) rather than proprietary DSLs -- validatable (SHACL), queryable (SPARQL), AI-ready (MCP).
RepublicMCP
MCP server for Italian Parliament open data — 30+ SPARQL tools over Camera dei Deputati & Senato della Repubblica (official OCD/OSR ontologies), plus curated OpenPolis data (votin…
Cellar Wrapper
Python wrapper, CLI, and MCP server for EU Publications Office CELLAR legal and legislative data.
Dataaihub Cookbook
Runnable reference implementations for AI engineering — RAG, AI agents, MCP, and RDF/Knowledge Graphs.
Obsidian Open Ontologies
Full Open Ontologies engine in Obsidian: reason over, SHACL-check and SPARQL-query your vault as a knowledge graph, and expose it to Claude over MCP
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
Uniprot Link
MCP server for UniProt: protein function, sequence, features and cross-references over the UniProt SPARQL endpoint — intent-named tools plus a guarded raw-SPARQL escape hatch.
Dprr MCP
Natural-language prosopographic queries for the Roman Republic. Generates validated SPARQL against the DPRR RDF dataset and synthesises results with uncertainty flags and source c…
Bioinformatics MCP Skills
Bioinformatics skills and mcp