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Le Chat

Wellness Project

Log my run: 5k in 26:40, easy effort.

Logged. 3.11 mi at 8:34/mi, avg HR 152. Third run this week — 9.8 mi total.

How has my sleep been trending?

Improving. 7-day average is 7h 22m, up from 6h 51m. Bedtime is ~25 min earlier on average.

 Logged to Wellness Project

Mistral Le Chat

Log your whole health to Mistral Le Chat, the EU-hosted fitness tracker.

Wellness Project connects to Mistral Le Chat, the EU-hosted AI assistant, as a custom MCP connector. Log meals, workouts, sleep, and weight in plain language and read your trends back — the same OAuth-protected MCP server Claude and ChatGPT use. Le Chat is the one assistant that asks for a Client ID, so we give you a ready-to-paste one below.

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What's inside

Le Chat as the front-end for your whole health log

Log meals from Le Chat

"Log breakfast: eggs, toast, a banana smoothie." Le Chat passes it to Wellness Project, which fills in the calories and macros for you — describe the plate in a sentence and it's tracked.

Log workouts and runs

"Log my run: 5k in 26:40, easy." Le Chat structures it; Wellness Project saves pace, distance, and heart rate, and detects PRs on lifts.

Not just endurance — log everything

Meals, sleep, body weight, supplements, recovery, wellbeing, and lab results are all callable. Le Chat becomes a general health log, not only a training tracker.

Read your data in Le Chat

Le Chat reads as well as writes: ask about last week's volume, your weight trend, or how you slept, and it pulls the actual figures — optionally as a live chart you can flip between 7-day, 30-day, and 90-day views.

EU-hosted assistant, first-party data

Mistral is a European company; pairing Le Chat with a tracker that keeps your health data in your own account is a clean fit for privacy-minded users.

The one Client-ID step, handled

Le Chat requires a Client ID for every custom OAuth connector. We publish a shared, paste-ready one so you're never stuck — see the steps below.

Step by step

Connect Le Chat in five steps

  1. 1
    Open the Connectors panel

    In Le Chat, open the panel under Intelligence → Connectors → Add Connector → Custom MCP Connector. Give it a name like "Wellness Project." Adding a connector is an admin action; on Free, Pro, and Student plans the account owner is the admin.

  2. 2
    Paste the Server URL

    Enter wellnessproject.ai/api/mcp. Le Chat detects the server and selects OAuth 2.1 automatically — give it a moment on "Detecting…".

  3. 3
    Enter the required Client ID

    Open Advanced settings and paste mcpc_9c3cabeb6cad35512ebf145cc958800e into the Client ID field. Leave Client Secret blank. This shared ID is the same for everyone and safe to reuse — your account is identified when you sign in, not by the ID.

  4. 4
    Sign in to authorize

    Make sure you are signed in to wellnessproject.ai in the same browser, then approve the connection. Once it authorizes, the Create button enables — click it to finish.

  5. 5
    Just start talking

    In any Le Chat conversation, say things like "log my workout" or "how did I sleep this week?" Le Chat calls the right tool on its own.

In the app

The only assistant that needs a Client ID — and the only general-health option for Le Chat.

Le Chat is the one assistant that requires a Client ID for a custom OAuth connector — Claude, ChatGPT, and Grok all register themselves. Use mcpc_9c3cabeb6cad35512ebf145cc958800eand leave Client Secret blank. It’s a shared public OAuth client, so it’s the same for every user and safe to reuse: your account is identified by the OAuth sign-in and PKCE, not by the ID. If Le Chat shows “Detecting…” and then nothing happens, it almost always means you weren’t signed in to wellnessproject.ai in the same browser during the hand-off — sign in first, then retry.

The other fitness tools that connect to Le Chat are endurance-only — runs, rides, and training load. Wellness Project is the general-health option: log a meal, a night of sleep, your weight, or your wellbeing just as easily as a workout, and ask Le Chat about any of it later. One /api/mcp endpoint, the same tool set Claude and ChatGPT reach.

The in-app walkthrough with screenshots is at Settings → Mistral. The same server also works with Claude, ChatGPT, and Grok.

FAQ

FAQ

How do I connect Mistral Le Chat to a fitness tracker?+
In Le Chat, open Intelligence → Connectors → Add Connector → Custom MCP Connector, paste wellnessproject.ai/api/mcp, enter the required Client ID under Advanced settings, and sign in to authorize. Full steps with screenshots are at Settings → Mistral in Wellness Project.
What Client ID do I use for a Le Chat custom MCP connector?+
Use mcpc_9c3cabeb6cad35512ebf145cc958800e and leave Client Secret blank. It is a shared public OAuth client ID — the same for everyone and safe to reuse — because your account is identified by the OAuth sign-in and PKCE, not by the ID.
Why does Le Chat ask for a Client ID when Claude and ChatGPT don't?+
Le Chat requires a pre-registered OAuth Client ID for every custom connector, while Claude, ChatGPT, and Grok register themselves automatically. It's an extra field, not extra difficulty — paste the ID above and continue.
Le Chat is stuck on "Detecting…" — how do I fix it?+
Make sure you are signed in to wellnessproject.ai in the same browser before you connect. "Detecting…" resolving to nothing almost always means the OAuth hand-off couldn't find your session. Sign in first, then retry.
Can Le Chat log meals and sleep, or just workouts?+
Meals, sleep, weight, supplements, recovery, and wellbeing are all supported — not just training. The other fitness connectors for Le Chat are endurance-only; Wellness Project is the general-health option.
Is Le Chat EU-hosted, and is my data private?+
Mistral is a European company and Le Chat is EU-hosted. Your health data stays in your Wellness Project account; Le Chat only reads the slice it asks for during an active conversation, over an OAuth connection you can revoke anytime.

More

Keep exploring

Integration

Claude

The same MCP server in Claude, via custom connector or API key.

Read more →

Integration

ChatGPT

Same tools inside ChatGPT as a custom app on any paid plan.

Read more →

Integration

Grok

xAI's assistant — same tools, and it registers itself (no Client ID).

Read more →

Use case

For biohackers

Conversational data interrogation for power users.

Read more →

Coaches

Meet your AI coaches

The named specialists Le Chat pulls context from.

Read more →

Start tracking. Talk to your specialists today.

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Wellness Project is informational software, not a medical product. AI advisors do not diagnose, treat, or prescribe; for anything clinical, consult a qualified clinician.

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Wellness Project™

The first AI fitness, nutrition, and longevity app where every metric has a named specialist behind it. Free. Now on iPhone.

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© 2026 Wellness Project. Not a medical product. AI advisors are informational and do not replace clinical care.