nexus mcp for Cursor

io.github.nexus-api-lab/nexus-mcp

Japanese LLM security — prompt injection detection (jpi-guard) + PII masking (PII Guard). Free.

client:Cursor transport:streamable-http

Install nexus mcp in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

{
  "mcpServers": {
    "nexus-mcp": {
      "url": "https://mcp.nexus-api-lab.com/"
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs