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mcp/harbor
Windsurf

nav substrate for Windsurf

io.github.wchampe/nav-substrate

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

client:Windsurf transport:stdio runtime:pypi

Install nav substrate in Windsurf

~/.codeium/windsurf/mcp_config.json · windows: %USERPROFILE%\.codeium\windsurf\mcp_config.json

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

{
  "mcpServers": {
    "nav-substrate": {
      "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>"
      }
    }
  }
}

Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs

nav substrate in other clients

nav substrate MCP server