ckg-nvidia-ai · NVIDIA AI Knowledge Graph

20 domains 998 nodes 11× fewer tokens than RAG F1 0.471 SHA-256 anchored

MCP endpoint

Claude Desktop

Edit ~/Library/Application Support/Claude/claude_desktop_config.json and add inside "mcpServers":

"ckg-nvidia-ai": {
  "url": "https://ckg-nvidia-ai.onrender.com/mcp"
}

Restart Claude Desktop — the server appears in the MCP tools list automatically.

claude.ai (web)

Settings → Integrations → Add MCP server → paste the endpoint URL above.

Cursor / Windsurf / other MCP clients

Add as a remote MCP server. URL: https://ckg-nvidia-ai.onrender.com/mcp

Python — langchain-ckg

pip install langchain-ckg
from langchain_ckg import CKGRetriever
retriever = CKGRetriever(domain="nvidia_ai")

Free tier & payment

10 calls/hour, no key required. When the limit is reached, the 402 response tells your agent exactly how to pay autonomously — x402 USDC on Base L2 ($0.010/call), Lightning (100 sats), or $29/month unlimited.

MCP streamable HTTP · endpoint /mcp · Built by Graphify.md · Patent pending