Google Home/Nest

Google Home / Nest CLI

Control Google Nest devices via the Smart Device Management (SDM) API using curl + jq.

Setup (Required)

1. Create a Google Cloud Project - Go to https://console.cloud.google.com - Create a new project

2. Enable the SDM API - APIs & Services → Library - Search "Smart Device Management" - Enable it

3. Create OAuth Credentials - APIs & Services → Credentials - Create OAuth 2.0 Client ID - Download the JSON file - Extract client_id and client_secret

4. Register Your Devices - Visit https://nests.google.com/frame/register-user - Accept the terms

5. Get Access Token

   # Replace with your values
   curl -s \
     -d "client_id=YOUR_CLIENT_ID" \
     -d "client_secret=YOUR_CLIENT_SECRET" \
     -d "refresh_token=YOUR_REFRESH_TOKEN" \
     -d "grant_type=refresh_token" \
     https://www.googleapis.com/oauth2/v4/token
   

Quick Start

# List devices
google-home-cli devices
Get thermostat info
google-home-cli thermostat "Living Room" --info
Set temperature (heat/cool/auto)
google-home-cli thermostat "Living Room" --temp 72
Query camera
google-home-cli camera "Front Door" --status

Device Commands

Thermostats

Cameras & Doorbells

Speakers & Displays

Environment Variables

export GOOGLE_HOME_CLIENT_ID="your-client-id"
export GOOGLE_HOME_CLIENT_SECRET="your-client-secret"
export GOOGLE_HOME_ACCESS_TOKEN="your-access-token"

Alternative: Direct API Calls

# List all devices
curl -s -H "Authorization: Bearer $ACCESS_TOKEN" \
  "https://smartdevicemanagement.googleapis.com/v1/enterprises/YOUR_PROJECT_ID/devices"
Get device traits
curl -s -H "Authorization: Bearer $ACCESS_TOKEN" \
  "https://smartdevicemanagement.googleapis.com/v1/enterprises/YOUR_PROJECT_ID/devices/YOUR_DEVICE_ID"

Helper Script

A nest CLI helper is included at scripts/nest:

# Make it available globally
ln -sf /Users/mitchellbernstein/clawd/skills/google-home/scripts/nest /usr/local/bin/nest
List devices
nest list
Get thermostat status
nest status "enterprises/PROJECT_ID/devices/DEVICE_ID"
Set temperature (Celsius)
nest temp "enterprises/PROJECT_ID/devices/DEVICE_ID" 22
Set mode
nest mode "enterprises/PROJECT_ID/devices/DEVICE_ID" HEAT

Configuration

Create ~/.config/google-home/config.json:

{
  "project_id": "your-google-cloud-project-id",
  "access_token": "your-oauth-access-token"
}

Notes

# List devices
google-home-cli devices
Get thermostat info
google-home-cli thermostat "Living Room" --info
Set temperature (heat/cool/auto)
google-home-cli thermostat "Living Room" --temp 72
Query camera
google-home-cli camera "Front Door" --status

Create ~/.config/google-home/config.json:

{
  "project_id": "your-google-cloud-project-id",
  "access_token": "your-oauth-access-token"
}