JustGains in Muse.
Meta's agent builds and saves your workouts, then shows them as native cards.
Muse is the one host that talks REST instead of MCP. Its cards are static HTML JustGains renders for it, so they still look like JustGains.
Connect it.
- Address
https://justgains.com/mcp/connector- Speaks
- REST (POST /mcp/tools/{name}) from a Muse workspace skill
- Sign-in
- OAuth 2.1 with PKCE, exact Meta callback only.
- Shows up as
- “Muse (Connector)” in your JustGains devices. Revoke it any time.
Try these.
“Build me a 45-minute push day for chest and shoulders and save it to JustGains.”Example
search_exercises(reads)create_workout(writes)Push Day: Chest & Shoulders. 5 exercises, 16 sets.
“Create a workout with dumbbell bench press for 3 sets of 8 and dumbbell rows for 3 sets of 10. Use pounds and include rest periods.”
create_workout(writes)“How many days did I train in the last 30 days, and how does that compare with the previous 30?”
analyze_my_consistency(reads)compare_my_weeks(reads)“Create a four-week dumbbell program with three training days each week, then show me the first week.”
create_workout_program(writes)get_workout_program(reads)