Skip to content
mcp/harbor
Cursor

nav substrate for Cursor

io.github.wchampe/nav-substrate

Relativistic navigation calcs for agents: time dilation, trip planning, chronometry, gamma.

client:Cursor transport:stdio runtime:pypi

Install nav substrate in Cursor

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

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "nav-substrate": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "nav-substrate-mcp"
      ],
      "env": {
        "NAV_SERVICE_API_KEY": "<NAV_SERVICE_API_KEY>",
        "NAV_SERVICE_URL": "<NAV_SERVICE_URL>",
        "NAV_SERVICE_LOCAL": "<NAV_SERVICE_LOCAL>"
      }
    }
  }
}

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

nav substrate in other clients

nav substrate MCP server