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Cali

@Nick Kuh

Cali is an AI calorie tracker and weight-loss coach that works inside ChatGPT and Claude. Just say what you ate — or snap a photo — and Cali logs it, estimates the calories, tracks your daily total, weight trend and streak, and coaches you. No separate app to download: it runs as an MCP connector in Claude (or an app in ChatGPT), works on web, phone and desktop, learns your regulars so logging gets faster, and is judgement-free. Free 3-day trial.
Overview
"Hey Cali, how am I doing today?"

The weight-loss coach
that actually knows you

Cali remembers your week, learns your regulars, and keeps you honest — no judgement, no lectures. It lives inside ChatGPT and Claude, the AI you already use, so there's nothing new to download.

Add Cali to...

I'm losing 7lbs with Cali — follow along

I built Cali to coach myself to my own goal, and I'm documenting every weigh-in, every BrewDog and every win on TikTok. No filters, no fake before-and-afters — just me and my AI coach, in real time.

11st 10
Starting
11st 3
Goal
~8 wks
Timeframe
Follow @nickandclaude on TikTok →
Built by Nick Kuh, founder
Cali wishing Nick a happy 48th and coaching him through a big day
Cali logging a photo of Nick's breakfast

Real chats. Real food. Real progress.

Actual conversations with Cali — snap a photo, log in a sentence, and get coaching with a memory (and a sense of humour).

Cali itemising a homemade salad from three photos
📸 Snap your plate
Photograph your meal — Cali itemises every ingredient and totals the calories.
Cali's morning check-in referencing the week's calories and BrewDogs
☀️ Coaching with a memory
It remembers your week, your habits and your plans — and keeps it real, never preachy.
Cali logging Nick's weigh-in and his usual latte at 80 cals
☕ It learns your regulars
"My usual latte" logs in seconds — 80 cals, done. The more you use it, the faster it gets.
Cali logging a glass of wine and checking the pour size, without judgement
🍷 Honest, never preachy
Logs the wine, double-checks the pour, shows where you stand — zero judgement.

You optimise everything else

You're busy, you're doing well, and you basically live in ChatGPT and Claude. You already track your spend, your sleep and your workouts — but the half-stone you keep meaning to shift? Still there. Cali sorts it with zero new apps and zero faff: it rides along in the AI you already use, learns your life, and quietly gets you leaner, sharper, and turning a few more heads.

Your coach goes where you go

Log breakfast on your phone, check your progress on your Mac, ask for a swap from ChatGPT on the web. Same Cali, same memory — one source of truth, synced everywhere you chat.

📱 Phone 💻 Mac & desktop 🌐 Web ChatGPT Claude

Use the AI you already have

Cali works inside the AI chatbots on your phone, laptop, and desktop. Pick yours and start in under 2 minutes.

Claude

Add Cali as a custom connector. Works on web, iOS, Android & desktop.

Setup guide →

ChatGPT

Add Cali as a developer app. Works on web, iOS, Android & desktop.

Setup guide →

No app to download. Works on your phone, laptop, and desktop — wherever you chat with AI. Paid Claude or ChatGPT account required.

FAQ

What is Cali?
Cali is an AI weight-loss coach that works inside the AI you already use — ChatGPT and Claude. Just say "Hey Cali" and start tracking meals, logging weight, and getting personalised coaching that remembers your week. No app to download.
Do I need to download an app?
Nope — that's the whole point. Cali connects to ChatGPT or Claude, which you probably already have on your phone. No new app, no new interface. Just chat.
How do I track a meal?
Just say something like "Hey Cali, I had a chicken wrap and a coffee" — or snap a photo of your plate. Cali estimates calories, tracks your daily total, and tells you how much room you've got left. No barcode scanning needed.
Is Cali judgy about what I eat?
Absolutely not. Cali logs everything without judgement — including drinks and treats. Had a few glasses of wine? Cali will log them and show you where you stand, not lecture you about it.
How is this different from MyFitnessPal or Cal AI?
Two big things. Cali actually coaches you — it remembers your week, adapts to your sport and rest days, and keeps you accountable instead of just storing numbers. And it gets easier over time by learning your regulars, instead of making you search a database or scan a barcode for every meal.
Do I need a paid ChatGPT or Claude account?
Yes. Cali runs as a connector inside ChatGPT or Claude, so you'll need a paid plan with one of them (the tier that supports custom connectors). If you already pay for either, you're ready to go — there's nothing else to install.
Is there a calorie tracker that works inside ChatGPT or Claude?
Yes — that's exactly what Cali is. It's an AI calorie tracker and coach that runs right inside ChatGPT and Claude, so you log meals and get coaching in the same chat you already use. No separate app to download, and it works on web, phone and desktop.
Does Cali use the Model Context Protocol (MCP)?
Yes. You add Cali as a custom connector (MCP) in Claude, or as an app in ChatGPT — so the assistant can log your meals, track your weight and pull up your dashboard during a normal conversation.

Say "Hey Cali" and
start losing weight

Pick your AI and start in under 2 minutes.

Server Config

{
  "mcpServers": {
    "cali": {
      "url": "https://mcp.heycali.app/mcp"
    }
  }
}
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