Nav Substrate MCP Server
by wchampeio.github.Wchampe/nav-substratev0.1.1
Relativistic navigation calcs for agents: time dilation, trip planning, chronometry, gamma.
context tax
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security
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cold start
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freshness
Active31d ago
Install Nav Substrate MCP server
Install in Claude Code
claude mcp add nav-substrate -- uvx nav-substrate-mcpInstall in Cursor
{
"mcpServers": {
"nav-substrate": {
"command": "uvx",
"args": [
"nav-substrate-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"nav-substrate": {
"command": "uvx",
"args": [
"nav-substrate-mcp"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"nav-substrate": {
"type": "stdio",
"command": "uvx",
"args": [
"nav-substrate-mcp"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"nav-substrate": {
"command": "uvx",
"args": [
"nav-substrate-mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| 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). |
Freshness
Active — last maintenance signal 31d ago. The newest of the signals below sets the band.
Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-09 · 31d ago · official registry · v0.1.1
FAQ
›How do I install the Nav Substrate MCP server in Claude Code?
Run: claude mcp add nav-substrate -- uvx nav-substrate-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Nav Substrate require an API key?
No required environment variables are declared in its published metadata.
›Can I use Nav Substrate as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Nav Substrate in the official MCP registry?
Yes, as io.github.Wchampe/nav-substrate.