OpenGym Coach
Integrates with Auth0 for OAuth 2.0 authentication and authorization, handling gym:read and gym:write permissions for secure access.
Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@OpenGym Coachwhat's my workout for today?"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
OpenGym Coach for ChatGPT Mobile
Mobile adaptation of openGym for the ChatGPT Sites runtime. It lets you plan routines, run guided sessions, edit history, log body weight, view statistics, and connect ChatGPT through an authenticated remote MCP server.
Features
Routines, weekly template, and single-day changes.
Guided sessions with weight and rep preload.
Rep-based or time-based exercises.
Editable history and supposed skipped.
Estimated 1RM, muscle volume, and body weight.
D1 persistence per user with optimistic concurrency control.
OAuth 2.0/Auth0 and
gym:read/gym:writepermissions.MCP Streamable HTTP at
/mcp/with read and write tools.A deterministic Gym Coach importer that preserves unknown exercises.
Related MCP server: wger MCP Server
Configuration
The app uses the runtime variables documented in .env.example. In production, the AUTH0_AUDIENCE must be exactly the MCP URL ending in /mcp/; the Auth0 audience, the OAuth resource parameter, and the protected resource metadata must match literally.
Development
npm install
npm test
npm run typecheck
npm run buildLicense and attribution
GNU AGPL-3.0. This work is based on openGym, originally created by Duarte Santos and maintained in the reference fork by Alex Costa. See LICENSE and NOTICE.md for the complete notices.
This server cannot be deployed
Maintenance
Related MCP Connectors
Manage fitness coaching clients, workouts, programs, chats and funnels from your assistant.
Talk to your own gym log. Reps is a free workout tracker for iPhone and Android; connect it to Claude, ChatGPT or any MCP client and ask about your workout history, personal records, exercise progression, weekly summaries, routines and training plan. The assistant can also save a new routine, edit one, save a whole plan, add custom exercises and exercise notes, always after you confirm in the chat. It cannot log a workout or delete your history. Requires a free Reps account created in the app; you sign in with a one-time email code.
Read your workouts, history, and stats; create and schedule new workouts. Writes are additive only.
Pace is a remote MCP server that exposes wearable and fitness data to Claude via the Model Context Protocol. It connects to Garmin, Oura, Whoop, Polar, Fitbit and 20+ devices and provides 15 tools for querying sleep, activity, recovery, and training data. Hosted on Google Cloud Run, OAuth 2.1 authentication, Streamable HTTP transport. Instructions: First you need to create an account at: https://pacetraining.co and connect your wearables. After that you can connect the remote Server via Custom Connector in Claude and OAuth 2.1 Flow startet.
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