Nightscout

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Enables AI assistants to access and analyze Continuous Glucose Monitor (CGM) data from Nightscout, providing real-time readings, history, and analytics.

by vgmakeev

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About

Enables AI assistants to access and analyze Continuous Glucose Monitor (CGM) data from Nightscout, providing real-time readings, history, and analytics.

README

Access your CGM data from Nightscout in AI assistants like Claude, Cursor, etc.

Quick Start

uvx --from git+https://github.com/vgmakeev/nightscout-mcp nightscout-mcp

Setup

Add to your MCP config (e.g. ~/.cursor/mcp.json):

{
  "mcpServers": {
    "nightscout": {
      "command": "uvx",
      "args": ["--from", "git+https://github.com/vgmakeev/nightscout-mcp", "nightscout-mcp"],
      "env": {
        "NIGHTSCOUT_URL": "https://[email protected]"
      }
    }
  }
}

Configuration

Variable	Description	Default
`NIGHTSCOUT_URL`	Nightscout URL (can include token: `https://[email protected]`)	Required
`NIGHTSCOUT_API_SECRET`	API secret (optional if using token in URL)	-
`GLUCOSE_UNITS`	Display units: `mmol` or `mgdl`	`mmol`
`GLUCOSE_LOW`	TIR lower bound (auto-detects units: <30 = mmol)	`3.9` (70 mg/dL)
`GLUCOSE_HIGH`	TIR upper bound (auto-detects units: <30 = mmol)	`7.8` (140 mg/dL)

Example with custom TIR range

{
  "nightscout": {
    "command": "uvx",
    "args": ["--from", "git+https://github.com/vgmakeev/nightscout-mcp", "nightscout-mcp"],
    "env": {
      "NIGHTSCOUT_URL": "https://[email protected]",
      "GLUCOSE_UNITS": "mmol",
      "GLUCOSE_LOW": "4.0",
      "GLUCOSE_HIGH": "10.0"
    }
  }
}

Tools

Tool	Description
`glucose_current`	Current glucose reading
`glucose_history`	History for last N hours
`analyze`	TIR, CV, HbA1c for any date range
`analyze_monthly`	Monthly breakdown for a year
`treatments`	Insulin and carbs log
`status`	Nightscout server status
`devices`	Pump, CGM, uploader status

Examples

Ask your AI assistant:

"What's my current glucose?"
"Show my glucose history for the last 6 hours"
"Analyze my glucose control for December 2025"
"Give me a monthly breakdown for 2025"

License

MIT

from github.com/vgmakeev/nightscout-mcp

Install Nightscout in Claude Desktop, Claude Code & Cursor

Recommended · one command, every IDE

unyly install nightscout-mcp

Installs into Claude Desktop, Claude Code, Cursor & VS Code — handles npx, uvx and build-from-source repos for you.

First time? Get the CLI: curl -fsSL https://unyly.org/install | sh

Or configure manually

Run in your terminal:

claude mcp add nightscout-mcp -- uvx --from git+https://github.com/vgmakeev/nightscout-mcp nightscout-mcp

FAQ

Is Nightscout MCP free?

Yes, Nightscout MCP is free — one-click install via Unyly at no cost.

Does Nightscout need an API key?

No, Nightscout runs without API keys or environment variables.

Is Nightscout hosted or self-hosted?

A hosted option is available: Unyly runs the server in the cloud, no local setup required.

How do I install Nightscout in Claude Desktop, Claude Code or Cursor?

Open Nightscout on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.

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