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Create Hevy routines and analyze your training from chat. Unofficial; BYO Hevy PRO API key.
About
Create Hevy routines and analyze your training from chat. Unofficial; BYO Hevy PRO API key.
Remote endpoints: streamable-http: https://hevy-coach.ajwallacemusic.workers.dev/mcp
Security Report
9.7
Low Risk9.7Low RiskValid MCP server (5 strong, 3 medium validity signals). No known CVEs in dependencies. ⚠️ Package registry links to a different repository than scanned source. Imported from the Official MCP Registry. 1 finding(s) downgraded by scanner intelligence.
Endpoint verified · Requires authentication · 2 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Install & Connect
Available as Local & Remote
This plugin can run on your machine or connect to a hosted endpoint. during install.
Documentation
View on GitHubFrom the project's GitHub README.
hevy-mcp
Unofficial MCP server for Hevy. Design training programs in chat; your AI creates the routines directly in your Hevy account and analyzes your logged training. Requires a Hevy PRO API key (hevy.com/settings?developer).
Use it
Hosted (easiest — claude.ai web, mobile, desktop)
Add a custom connector in claude.ai → Settings → Connectors:
https://hevy-coach.ajwallacemusic.workers.dev/mcp
You'll be prompted for your Hevy API key; it's stored encrypted in your own OAuth grant and sent only to api.hevyapp.com.
Claude Desktop one-click
Download hevy-mcp.mcpb,
double-click, paste your key when prompted.
Local (Claude Code / Cursor / any stdio client)
claude mcp add hevy -e HEVY_API_KEY=<key> -- npx -y @almostjacked/hevy-mcp
Self-host (free, your own infra)
The published package ships the worker — no clone needed:
mkdir hevy-worker && cd hevy-worker && npm init -y
npm install @almostjacked/hevy-mcp wrangler
cat > wrangler.jsonc <<'EOF'
{
"name": "hevy-mcp",
"main": "node_modules/@almostjacked/hevy-mcp/dist/worker.js",
"compatibility_date": "2026-07-01",
"compatibility_flags": ["nodejs_compat"]
}
EOF
npx wrangler deploy
npx wrangler secret put AUTH_TOKEN # any long random string — becomes your Bearer token
npx wrangler secret put HEVY_API_KEY # from hevy.com/settings?developer
Add your worker URL (https://hevy-mcp.<your-subdomain>.workers.dev/mcp) to clients
that support custom headers — e.g. Claude Code:
claude mcp add --transport http hevy-selfhost <url> --header "Authorization: Bearer <token>".
claude.ai custom connectors don't support custom auth headers; for claude.ai use the
hosted instance above, or front your worker with Cloudflare Access.
Tools
| Tool | Description |
|---|---|
| search_exercises | Search the user's Hevy exercise library by name (fuzzy). Returns template id, exact title, type, muscle group and equipment. |
| list_routine_folders | List the user's routine folders (id + title). Check this before creating a folder — reuse an existing one when the name matches. |
| create_routine_folder | Create a routine folder, or return the existing folder if one with this exact title already exists (never duplicates). |
| list_routines | List the user's existing routines (id, title, folder_id, exercise_count). Use to avoid creating duplicates. |
| create_routine | create a routine (lb-first: weight_lb snaps to 2.5/5 lb increments; RPE folded into notes; supersets; duration/distance targets supported) |
| get_workouts | Get the user's most recent logged workouts, newest first, as compact summaries: title, date, duration, and per-exercise set count + top set. Use get_workout for full set-by-set detail of one workout. |
| get_workout | Get one logged workout with every set (weights in kg). Use the id from get_workouts. |
| get_workout_count | Total number of workouts the user has ever logged in Hevy. |
| get_exercise_history | past sets + estimated 1RM in lb for one exercise (full history, optional date range) |
| get_routine | Get one routine in full (all exercises and sets). Always call this before update_routine so you can send back the complete routine. |
| update_routine | Replace an existing routine. WARNING: this overwrites the routine — Hevy replaces its exercises with exactly what you send, so first call get_routine and include every exercise you want to keep. Folder cannot be changed here; duration/distance/custom-metric set targets round-trip safely. |
| get_training_summary | weekly sessions/volume (lb), sets per muscle group, top-lift 1RM trend |
Privacy Policy
Your Hevy API key and training data pass through only to api.hevyapp.com. The stdio/.mcpb versions run entirely on your machine. The hosted instance stores nothing but your encrypted OAuth grant; disconnecting revokes it. Nothing is logged or shared with third parties.
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