Smart Gym

Talk to your workouts. An MCP server that connects AI assistants like Claude to SmartGym on your Mac — so you can review your training, tweak routines, and build whole programs in plain English, and watch them sync to your iPhone and Apple Watch.

Why

SmartGym is a great workout tracker, but building and evolving a training program is still a lot of tapping. Meanwhile, AI assistants are genuinely good at programming workouts — they just had no way to reach your data.

This server bridges that gap. Your workout history, routines, and equipment become something you can have a conversation with:

• "How has my bench press progressed over the last 3 months?"
• "Add face pulls to my pull day, 3×12, after the rows."
• "Build me a 3-day full-body comeback program based on what I was lifting in May, using only equipment I own."

Changes land in SmartGym itself — not a parallel app — so your data stays in one place and syncs everywhere via SmartGym's own engine.

What it can do

Read — health check, list routines, routine details, workout history, your equipment.

Write — create complete training programs, add / update / remove / reorder exercises, rename and edit routines. Every write is verified to sync across devices.

Safely — the server backs up the database before every write, only writes while the app is closed (it quits and relaunches SmartGym itself, which triggers sync), and refuses anything it can't do safely. Reads are strictly read-only.

Quick start

Requirements: macOS with SmartGym, Python ≥ 3.11, uv.

git clone https://github.com/sla1k/smart-gym-mcp
cd smart-gym-mcp
uv sync

Add it to your MCP client — e.g. Claude Code:

claude mcp add smartgym -- uv run --directory /path/to/smart-gym-mcp smartgym-mcp

or Claude Desktop (claude_desktop_config.json):

{
  "mcpServers": {
    "smartgym": {
      "command": "uv",
      "args": ["run", "--directory", "/path/to/smart-gym-mcp", "smartgym-mcp"]
    }
  }
}

Then ask your assistant to call smartgym_health — { ok: true, ... } means you're connected.

Configuration

Works out of the box with a standard SmartGym install. Env vars if you need them:

Var	Default	Purpose
SMARTGYM_DB_PATH	SmartGym's container path	database location
SMARTGYM_BACKUP_DIR	~/.smartgym-mcp/backups	pre-write backups

Contributing

Issues and PRs welcome. Design notes live in DESIGN.md, ideas in FEATURES.md.

uv run pytest                                  # tests never touch your real data
uv run ruff check src tests && uv run mypy src

Disclaimer

This is an unofficial, personal project — not affiliated with or endorsed by the makers of SmartGym. It reads and writes the app's local database directly; use at your own risk and keep backups (the server makes one before every write).

License

MIT