Free to startWearable sync from $7/mo

Your AI coach

finally knows you

Log your fitness goals, workouts, and notes for free — your AI remembers everything. Add wearable integrations to give it your real training load, sleep, and recovery data. Works with ChatGPT, Claude, and more.

Start free — no card neededGet it on ChatGPT

GGarmin

OOura

PPolar

SStrava

FFitbit

+ 57 more

The Problem

AI fitness is broken.

Because it starts from zero every time.

Context dumps every session

You describe your level, goals, recent workouts, and schedule. Every single conversation. The AI forgets everything the moment you close the tab.

Pasting Garmin screenshots

You screenshot your watch data and paste it into ChatGPT, hoping it can make sense of cropped graphs and blurry numbers. It can't.

Subjective self-reporting

"I slept okay" when your HRV dropped 30%. "Easy run" when you spent 20 minutes in zone 4. What you tell the AI isn't what actually happened.

No trend awareness

Your resting HR has been creeping up for two weeks. Your training load spiked 40% last week. The AI has no idea — because you didn't notice either.

How It Works

Three steps to smarter coaching

1

Log your training

Start for free. Add workout notes, goals, injuries, and availability. Your AI builds a training memory that grows over time — no wearable required.

2

Connect your wearable

Ready for real data? Link Garmin, Oura, Polar, or 50+ others. We translate raw metrics into meaningful insights: HRV trends, training load, sleep patterns, recovery signals.

3

Just open your chat

Open your favorite AI assistant — like ChatGPT or Claude — and ask about your training. The AI already has everything. Your notes, your goals, your wearable data. No more copy-pasting.

What Your AI Sees

Real data, no guesses.

We surface the trends and patterns that matter, so your AI assistant can give advice based on what actually happened.

Resting Heart Rate

52 bpm

↑ 4 bpm from baseline

HRV 7-Day Trend

↓ 12%

Below personal average

Weekly Training Load

840 TSS

↑ 38% vs last week

Sleep Consistency

74%

Bedtime variance: ±47 min

Recovery Score

62

Moderate — adjust intensity

Active Days

5 of 7

2 rest days this week

Wearable Integrations

50+ platforms connected

If you're wearing it, we probably support it. One-time connection, automatic daily sync.

GGarmin

OOura

PPolar

SStrava

FFitbit

CCOROS

SSuunto

WWahoo

ZZepp

TTrainingPeaks

ZZwift

UUltrahuman

Show all 62+ integrations

Our Belief

Chat is the interface

We don't believe you need another app with another dashboard, another feed, another notification. You already have the best personal assistant in history sitting in your pocket.

The missing piece was never the AI. It was the data. These models are brilliant coaches, but they can't help you if they don't know you. So instead of building app number 10,000, we built a secure data bridge: your real training data, piped directly into the AI assistant you're already talking to.

We use the new Model Context Protocol (MCP) — a standard that lets AI assistants securely talk to your data. Today that's ChatGPT and Claude. Tomorrow it could be any assistant that supports this open standard.

Chat-first

Your AI assistant is the interface. We just make it smarter about you.

No new app

No dashboards, no feeds, no notifications. Just better conversations.

Compatible AI Assistants

Works where you already chat

Any AI assistant that supports the new secure data standard (MCP) gets your training data automatically. Today that includes:

G

ChatGPT

Your training data, notes, and wearable insights appear automatically in every conversation.

Try it on ChatGPTOpen ChatGPT

C

Claude

Claude sees your full training history and goals the moment you start chatting.

Advanced Setup

https://trainedby.fastmcp.app/mcp

G

Gemini

Google Gemini does not yet support the secure data connections (MCP) required for trainedby.ai.

Coming soon?

Waiting for support

As more AI assistants adopt this new open standard, they'll work with trainedby.ai out of the box — no integration needed from our side.

What it looks like

G

ChatGPT + trainedby.ai

Should I do my long run tomorrow or take a rest day?

Looking at your data, I'd recommend a rest day tomorrow. Here's why: your resting HR has been 4 bpm above baseline for 3 days, your HRV is trending down 12% this week, and your training load jumped 38% last week. Your body is still absorbing that load. Push the long run to Sunday — you'll get more out of it when you're recovered.

Makes sense. What should I do instead?

Light mobility work or a 20-minute walk would be ideal. Your sleep consistency has been off too — try getting to bed closer to your usual 10:30 PM tonight. That alone will accelerate recovery.

Simple Pricing

Start free.

Add wearables later.

Log goals, workouts, and notes at no cost. Pay only when you want automatic wearable sync.

FreeForever

Log workouts, set goals, add notes — your AI builds a training memory over time. No wearable needed, no card required.

✓ Workout & goal logging✓ Personal notes & context✓ Aggregated over time✓ ChatGPT, Claude & more

Get Started Free

Add wearable integrations

MonthlyAnnual Save 17%

Starter

One wearable, real data

$7/mo

Get Started

• ✓ Everything in Free
• ✓ 1 wearable connected
• ✓ 30 days data retention
• ✓ Trends & pattern analysis

Most popular

Pro

Multiple devices, deeper history

$15/mo

Get Started

• ✓ Everything in Starter
• ✓ 3 wearables connected
• ✓ 90 days data retention
• ✓ Weekly training summaries

Elite

Full history, all devices

$30/mo

Get Started

• ✓ Everything in Pro
• ✓ 5 wearables connected
• ✓ Full history — forever
• ✓ Priority support

30-day money-back guarantee on paid plans · Cancel anytime · No lock-in

FAQ

Common questions

How does trainedby.ai connect to ChatGPT or Claude?

Is my fitness data secure?

What's the difference between the free and paid plans?

Do I need technical knowledge to set up the MCP server?

What about my historical training data?

Stop telling.

Start training.

Log your first workout in 30 seconds. Your AI coach builds memory from day one — for free.

Start FreeGet it on ChatGPT