fatcli

A CLI tool for Fatsecret API - track your nutrition, meals, and fitness goals from the command line.

Features

• Authentication - OAuth flow with Fatsecret API
• Profile - View your profile, weight, BMI, and goals
• Meals - View, search, add, and delete food entries
• Agent-friendly - Designed for LLM agent integration

Installation

pip install fatcli

Or from source:

git clone https://github.com/nimitbhardwaj/fatcli.git
cd fatcli
uv pip install -e .

Setup

1. Get your Fatsecret API credentials from platform.fatsecret.com

2. Create a .env file or export variables:

export FATSECRET_CONSUMER_KEY=your_consumer_key
export FATSECRET_CONSUMER_SECRET=your_consumer_secret
export FATSECRET_CONFIG_DIR=~/.config/fatsecret  # optional

3. Authenticate:

fatcli init --url-only
# Visit the URL, get PIN, then:
fatcli init --pin 123456

Or interactive mode:

fatcli init

Usage

View Profile

fatcli profile

Output:

Profile
  Height:        173 cm
  Current Weight: 84.0 kg (as of 2026-04-03)
  Goal Weight:    74.0 kg
  Difference:     +10.0 kg
  BMI:            28.1
  Status:         Overweight

Log Weight

fatcli profile --weight 83.5 --goal 74

View Meals

# Today's meals
fatcli meals get --date 2026-04-04

# With macro summary
fatcli meals get --date 2026-04-04 --summary

Search Foods

fatcli meals search chicken

Get Food Details

fatcli meals info 1641

Add Food Entry

fatcli meals add 1641 --serving 50321 --units 1 --meal lunch

Delete Food Entry

# First get the entry ID from meals get
fatcli meals delete 23112601131

Help

fatcli                    # Show main help
fatcli -h                 # Same as --help
fatcli meals              # Show meals subcommands
fatcli meals get --help   # Help for specific command

Environment Variables

Agent Integration

This CLI is designed for LLM agent use:

# Get authorization URL
fatcli init --url-only

# Complete with PIN (from human)
fatcli init --pin 123456

# View meals for analysis
fatcli meals get --date 2026-04-04 --summary

# Check profile
fatcli profile

License

MIT