# Ontology MCP

> Use this tool when you need to integrate and manage ontology data with AI models, enabling querying and manipulation of semantic data. It connects GraphDB's SPARQL endpoints and Ollama models to Claude, solving data integration and model leveraging problems. The Ontology MCP server accepts ontology data and AI model inputs, producing unified query and manipulation outputs.

Canonical page: https://skillsregistry.net/skills/bigdata-coss-agent-mcp  
JSON: https://api.skillsregistry.net/v1/skills/bigdata-coss-agent-mcp

## Description

A Model Context Protocol (MCP) server that connects GraphDB's SPARQL endpoints and Ollama models to Claude, enabling Claude to query and manipulate ontology data while leveraging various AI models.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-09-02

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-02

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/mxvujkgabm)
- **Repository:** <https://github.com/bigdata-coss/agent_mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "bigdata-coss-agent-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/bigdata-coss-agent-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/bigdata-coss-agent-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt