Knowledge Graph RDBMS MCP Server

by cunicopia-devio.github.cunicopia-dev/knowledge-graph-rdbmsv0.1.9

A label property graph on SQLite/Postgres with multi-ontology routing and a gated MCP server.

1Pythonstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Slowing3mo ago

Install Knowledge Graph RDBMS MCP server

claude mcp add knowledge-graph-rdbms -- uvx knowledge-graph-rdbms --from 'knowledge-graph-rdbms[mcp]' kgrdbms-mcp

{
  "mcpServers": {
    "knowledge-graph-rdbms": {
      "command": "uvx",
      "args": [
        "knowledge-graph-rdbms",
        "--from",
        "knowledge-graph-rdbms[mcp]",
        "kgrdbms-mcp"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "knowledge-graph-rdbms": {
      "command": "uvx",
      "args": [
        "knowledge-graph-rdbms",
        "--from",
        "knowledge-graph-rdbms[mcp]",
        "kgrdbms-mcp"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "knowledge-graph-rdbms": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "knowledge-graph-rdbms",
        "--from",
        "knowledge-graph-rdbms[mcp]",
        "kgrdbms-mcp"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "knowledge-graph-rdbms": {
      "command": "uvx",
      "args": [
        "knowledge-graph-rdbms",
        "--from",
        "knowledge-graph-rdbms[mcp]",
        "kgrdbms-mcp"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
KGRDBMS_HOME	—	—	Storage root for ontology databases and the event log. Defaults to ~/.kgrdbms.
KGRDBMS_DEFAULT_ONTOLOGY	—	—	Name of the default ontology used when a tool call omits the `ontology` argument. Defaults to "default".

Freshness

Slowing — last maintenance signal 3mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-06-27 · 3mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-06-25 · 4mo ago · official registry · v0.1.9

FAQ

›How do I install the Knowledge Graph RDBMS MCP server in Claude Code?

Run: claude mcp add knowledge-graph-rdbms -- uvx knowledge-graph-rdbms --from 'knowledge-graph-rdbms[mcp]' kgrdbms-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Knowledge Graph RDBMS require an API key?

No required environment variables are declared in its published metadata.

›Can I use Knowledge Graph RDBMS as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Knowledge Graph RDBMS in the official MCP registry?

Yes, as io.github.cunicopia-dev/knowledge-graph-rdbms.