Foundation Base
Production readyHealthv1.0.0 · updated Jul 1, 2026
FC

Open Source Fitness Coach App Template

Programs, clients, workouts, progress, and coaching notes.

A coaching foundation for trainers who need client profiles, program delivery, workout tracking, progress notes, and check-ins.

Runnable Agent-ready Install-ready Deploy-ready
foundationbase.app/demo/fitness-coachOpen full demo →

This is the real app, not a mockup. Whatever you enter in the demo stays in your browser and belongs to nobody.

What you get

One zip. Everything to own it.

Fitness Coach Platform is a health-focused foundation for coaches who want an owned product instead of spreadsheets and chat threads. The data model is ready for clients, sessions, programs, workouts, progress logs, and check-ins while keeping privacy and agent modification boundaries explicit.

  • Client profiles
  • Program builder
  • Workout logs
  • Progress notes
  • Check-in workflows
fitness-coach-platform.zipMIT
fitness-coach-platform/├── app/the running Next.js app├── agent/START_HERE, PROJECT_MAP, RULES, RECIPES, TESTS, DEPLOY├── CLAUDE.mdread automatically by Claude Code├── AGENTS.mdread automatically by Codex├── .cursor/rules/loaded automatically by Cursor└── README.mdrun it, then make it yours

Inside the app

What the running app actually looks like
Fitness Coach Platform: Client dashboard
Client dashboard — Programs, recent check-ins, progress, and coaching notes.

Customize with AI

Your agent already knows this codebase.

The planned agent package documents program schema, exercise libraries, privacy boundaries, and customization recipes.

CodexClaude CodeCursor

Prompts written against this app

Change the branding, copy, and layout for my Fitness Coach Platform app.
Add or remove fields so it matches my workflow.
Add export and import for my health data.
Add optional sync later without changing the local-first default.

Run it

5 min to your own copy.

  1. 01Create your editable app copy and unzip it.
  2. 02Run npm install.
  3. 03Run npm run dev and open http://localhost:3000.
  4. 04Read /agent/START_HERE.md before customizing.
  5. 05Swap the local-first storage boundary for your own backend when ready.
Full walkthrough, including deploy and install →
Where your data lives

Fitness Coach Platform data stays in this browser by default.

No account, backend, or cloud sync is included in the current package.

An agent can add optional sync later while preserving the local-first default.

Honest limitation

This package is standard-ready for Create My App and AI customization.

A full app-only PWA install route is not enabled yet for this app.

Verification receiptchecked Aug 2, 2026 at c11c184 · v1.0.0
Demo renderscaptured 2026-07-26, 42 KBpassed
Package installs and buildsinstalled, typechecked and built in 64s on node v24.13.0passed
Source package complete31 files, 62 KBpassed
Agent instructions included5 handoff files presentpassed
No network calls in app sourcestatic scan clean: no network calls, eval, or secrets in app sourcepassed
License matches the packageMIT, matching the file in the packagepassed

If this isn’t quite right

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How To Use Foundation BaseHow To Customize An App With AiDemo Link Vs Preview Link Vs App LinkHow To Deploy Your Own App LinkOpen Source App Templates

Take Fitness Coach Platform and make it yours.

Free, MIT, 5 min to running. The demo above is exactly what lands in your folder.

Create My AppTry demo
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