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mcp/harbor
Claude Code

nav substrate for Claude Code

io.github.wchampe/nav-substrate

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

client:Claude Code transport:stdio runtime:pypi

Install nav substrate in Claude Code

run in your project directory

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

claude mcp add nav-substrate -e NAV_SERVICE_API_KEY=<NAV_SERVICE_API_KEY> -e NAV_SERVICE_URL=<NAV_SERVICE_URL> -e NAV_SERVICE_LOCAL=<NAV_SERVICE_LOCAL> -- uvx nav-substrate-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

nav substrate in other clients

nav substrate MCP server