Muse · MetaAI fitness coaching with Muse
Muse keeps your training and fuel in mind, right inside WhatsApp too. Connect Memory.fit once and Muse coaches you from your real training, fueling and recovery.
Memory.fit works with the AI you already use. It isn't a coaching app, and it doesn't connect to one.
Connect with a key · Beta · US only · 18+
MuseExampleLooking at your last four weeks in Memory.fit. Wednesday stays free, Thursday is your key run, and Saturday's long ride gets 60 g of carbs an hour. Saved to Memory.fit.
Saved to Memory.fit by Muse
Setup
How to connect Muse to Memory.fit in 4 steps
- 01
In the Memory.fit app, open Settings → AI agents → Muse and create your key.
- 02
In a Muse chat, say: “Add a custom connector called Memory.fit. Its address is the link I’ll paste, and it needs a key.”
- 03
Paste your Memory.fit address when Muse asks.
- 04
Paste your key into Muse’s secure credentials prompt, never into the chat.
Your Memory.fit link is api.memory.fit/mcp. No passwords are shared with Muse; you can disconnect it at any time.
Coaching
What can Muse do with Memory.fit?
Plan the week around your life
Muse shapes your sessions and fuel targets around sleep, work and how you feel. Every change says why.
Fuel the long sessions
A step-by-step fueling plan for every long ride or run, in the app before you start.
Log a meal with a photo
Send a photo or a sentence. It lands on the day in Plan with the numbers, marked with who logged it.
Know how you're doing
Ask about your trends, your Fuel Score or your race build and get answers from your own data.
Look back every week
A weekly review in the app: what went well, one thing to fix and next week's focus.
Remember what matters
Your race, your goals and what you've learned are saved once and shared by every AI you use.
Try it
What can I ask Muse?
Plan my week
“Twelve weeks to my Ironman 70.3. Plan next week around eight hours. Wednesday is a work trip.”
Fuel my long ride
“I'm riding three hours on Saturday. What should I eat and drink, and when?”
Log this
“Log this lunch for me.”
How am I doing?
“How has my training gone this month compared with last month?”
About Muse
What is Muse?
Muse is Meta's personal agent, on iPhone, Android, the web and inside WhatsApp. Connect Memory.fit and Muse keeps your training and fueling in mind wherever you message it.
muse.aiWhat is Memory.fit?
Memory.fit is the data and memory layer for the AI you already use. It connects Apple Health, Withings and TrainingPeaks (and shows Strava in the app), keeps your goals, plans and fueling, and shows it all in the Memory.fit app. Your AI does the talking; Memory.fit does the remembering.
Good to know
Pricing, privacy and troubleshooting
What does it cost?
Memory.fit is $9 a month or $69 a year, with 7 days free. Muse: US only · 18+.
Prices shown for your region. Your store shows the final price.
See pricingIs my data safe?
Stored in the EU and encrypted. You choose what Muse may change, every action shows in your feed, and you can disconnect it in one tap.
Something not working?
- Unauthorized or 401. The key was mistyped or revoked. Create a new one in the Memory.fit app and paste it again.
- Too many calls. Each connection has an hourly limit. Wait for the time Memory.fit gives you and try again.
- Muse doesn't use Memory.fit. Mention Memory.fit in your message ("check Memory.fit", "use my Memory.fit data"), or switch the connector on for the chat if Muse asks.
- The numbers look old. Memory.fit shows what your apps have synced. Open your watch's app and Apple Health once, then check Settings → Health data in the Memory.fit app.
Free tools
Free tools to hand to Muse.
Work out a number, then copy the prompt or open it in Muse with your result filled in.
- Race Fuel PlannerCarbs, fluid and sodium per hour for your race.
- AI Prompt BuilderA ready prompt for your AI to plan your next two weeks.
- Sweat Rate CalculatorYour sweat rate from two weigh ins.
Questions
Muse and Memory.fit, in short.
4 steps: In the Memory.fit app, open Settings → AI agents → Muse and create your key. In a Muse chat, say: “Add a custom connector called Memory.fit. Its address is the link I’ll paste, and it needs a key.” Paste your Memory.fit address when Muse asks. Paste your key into Muse’s secure credentials prompt, never into the chat.
No. Muse is the coach. Memory.fit gives it your training data, your plans, your fueling and a lasting memory of you, and shows it all in the Memory.fit app.
Your workouts, sleep, daily metrics, fuel log, goals and plans. You choose what it can change: reading is always on, changing your plan is opt-in.
Only if you allow it. Every change shows in the app with Muse's reason, and you can undo it in one tap.
Memory.fit is $9 a month or $69 a year, with 7 days free. Muse itself: US only · 18+.
Garmin, COROS, Polar, Suunto, Wahoo, WHOOP, Oura, Withings, Apple Health, Health Connect, intervals.icu and TrainingPeaks connect directly. Nutrition apps like MyFitnessPal and Cronometer arrive through Apple Health and Health Connect. Strava shows inside the Memory.fit app only, because Strava doesn't allow its data in AI tools.
Yes. Connect as many as you like. They read and write the same memory, so nothing is lost when you switch.
In the Memory.fit app, open Settings → AI agents → Muse and tap Disconnect. Access stops immediately.
AI Coaches
Use Memory.fit with other AI coaches
Always-on agents
Build your own
Your next chapter starts with everything you've learned.
On Android now. iPhone is coming: join the waitlist and we'll email you the day Memory.fit is on the App Store.
No spam. One email when it's ready.