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io.github.Wchampe/nav-substrate

Official registry AI and agents

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

Source code Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

PYPI package nav-substrate-mcp
Claude Code 
claude mcp add nav-substrate -e 'NAV_SERVICE_API_KEY=demo' -e 'NAV_SERVICE_URL=https://navi-suite.onrender.com/nav' -e 'NAV_SERVICE_LOCAL=<NAV_SERVICE_LOCAL>' -- python nav-substrate-mcp==0.1.1
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "nav-substrate": {
            "command": "python",
            "args": [
                "nav-substrate-mcp==0.1.1"
            ],
            "env": {
                "NAV_SERVICE_API_KEY": "demo",
                "NAV_SERVICE_URL": "https://navi-suite.onrender.com/nav",
                "NAV_SERVICE_LOCAL": "<NAV_SERVICE_LOCAL>"
            }
        }
    }
}

Environment variables

  • NAV_SERVICE_API_KEY Your Nav Substrate API key (or 'demo').
  • NAV_SERVICE_URL Base URL of the hosted API.
  • NAV_SERVICE_LOCAL Set to 1 to run the calc core in-process (offline, no metering).

Frequently asked questions

What is io.github.Wchampe/nav-substrate?

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

How do I install io.github.Wchampe/nav-substrate?

It runs on your machine. In Claude Code: claude mcp add nav-substrate -e 'NAV_SERVICE_API_KEY=demo' -e 'NAV_SERVICE_URL=https://navi-suite.onrender.com/nav' -e 'NAV_SERVICE_LOCAL=<NAV_SERVICE_LOCAL>' -- python nav-substrate-mcp==0.1.1. For other clients, paste the JSON configuration from this page into their MCP settings.

Does io.github.Wchampe/nav-substrate need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is io.github.Wchampe/nav-substrate open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains io.github.Wchampe/nav-substrate?

It is published by Wchampe. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.