nightscout-mcp
Enables AI assistants to access and analyze Continuous Glucose Monitor (CGM) data from Nightscout, providing real-time readings, history, and analytics.
README
Nightscout MCP Server
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://YOUR_TOKEN@your-site.nightscout.com"
}
}
}
}
Configuration
| Variable | Description | Default |
|---|---|---|
NIGHTSCOUT_URL |
Nightscout URL (can include token: https://token@site.com) |
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://TOKEN@your-site.nightscout.com",
"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
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