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MCP GraphDB

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A Model Context Protocol server that provides read only access to graphs in a certain repository in Ontotext GraphDB. This server enables LLMs to execute SPARQL queries. #database

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Overview

MCP GraphDB is a Model Context Protocol server that provides read-only access to graphs stored in Ontotext GraphDB, enabling LLMs to execute SPARQL queries against a GraphDB instance.

To use MCP GraphDB, configure the server with your GraphDB endpoint and repository details, then execute SPARQL queries to retrieve data from the connected GraphDB repository.

  • Execute SPARQL queries in read-only mode. - List available graphs and their statistics. - Access various views of repository data, including class lists and sample data.
  1. Querying RDF graphs for research purposes.
  2. Integrating with LLMs for enhanced data retrieval.
  3. Analyzing graph data for insights in various domains.

Add to your AI client

Use these steps to connect MCP GraphDB in Cursor, Claude, VS Code, and other MCP-compatible apps. The same JSON appears in the Use with menu above for one-click copy.

Cursor

Add this to your .cursor/mcp.json file in your project root, then restart Cursor.

.cursor/mcp.json

{
  "mcpServers": {
    "mcp-graphdb-keonchennl": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-graphdb-keonchennl"
      ]
    }
  }
}

Claude Desktop

Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.

~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

{
  "mcpServers": {
    "mcp-graphdb-keonchennl": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-graphdb-keonchennl"
      ]
    }
  }
}

Claude Code

Add this to your project's .mcp.json file. Claude Code will detect it automatically.

.mcp.json (project root)

{
  "mcpServers": {
    "mcp-graphdb-keonchennl": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-graphdb-keonchennl"
      ]
    }
  }
}

VS Code (Copilot)

Add this to your .vscode/mcp.json file. Requires the GitHub Copilot extension with MCP support enabled.

.vscode/mcp.json

{
  "servers": {
    "mcp-graphdb-keonchennl": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-graphdb-keonchennl"
      ]
    }
  }
}

Windsurf

Add this to your Windsurf MCP config file, then restart Windsurf.

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "mcp-graphdb-keonchennl": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-graphdb-keonchennl"
      ]
    }
  }
}

Cline

Open Cline settings, navigate to MCP Servers, and add this server configuration.

Cline MCP Settings (via UI)

{
  "mcpServers": {
    "mcp-graphdb-keonchennl": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-graphdb-keonchennl"
      ]
    }
  }
}

FAQ

Can I modify the data in GraphDB using this server?

No, the server only allows read-only access to the data.

How do I configure the server?

You can configure it using environment variables or command-line arguments.

Is there a limit to the number of queries I can execute?

There is no specific limit, but performance may vary based on the complexity of the queries.

Research and data