Fitfly Engine

Connect Remote server

claude mcp add --transport http fitfly-engine https://workout-engine-production-5dd7.up.railway.app/mcp --header "Authorization: Bearer <YOUR_API_KEY>"

{
  "mcpServers": {
    "fitfly-engine": {
      "url": "https://workout-engine-production-5dd7.up.railway.app/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "fitfly-engine": {
      "type": "http",
      "url": "https://workout-engine-production-5dd7.up.railway.app/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://workout-engine-production-5dd7.up.railway.app/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 10 found in our last check

• get_todays_session

  Today's workout: exercises, sets/reps, per-exercise load guidance and concrete target weights, plus nutrition targets and cycle status. Auto-applies the user's readiness check-in (autoregulation) if they've done one today. Call this to see what the athlete should do now.

• readiness_checkin

  Record how the athlete feels today (energy, sleep, soreness — each 1–5). The engine scores readiness and, on the next get_todays_session, reshapes the workout accordingly (reduce volume / reduce intensity / recovery day). Returns the readiness score + modifier.

• log_workout

  Record what the athlete actually lifted. The engine runs progression (double-progression, e1RM), detects PRs, and returns per-exercise outcomes (established/progressed/held/deloaded) with next-time targets. Weights are in kg.

• list_swap_options

  Valid alternatives for an exercise — same muscle group, filtered to the athlete's equipment/level/injuries. Use before swap_exercise.

• swap_exercise

  Replace an exercise with a valid same-area alternative. scope 'today' = just this session; scope 'program' = going forward. The new lift starts fresh (day-one calibration).

• get_program

  The athlete's current multi-day program (render-ready).

• regenerate_program

  Rebuild the whole program from the stored profile (~20s AI generation). Use after a profile change or a plateau.

• nutrition_targets

  The athlete's daily calorie + macro targets, computed from body stats, activity, and goal.

• meal_plan

  A day of meals hitting the athlete's targets, USDA truth-checked (flags feasible=false with a note when macros are approximate). Slow (~15s AI call).

• changelog

  The 'what changed & why' feed — the engine's coaching decisions (volume bumps, deloads, swaps) in Coach Fly's voice. Use to explain to the athlete why their plan evolved.

Headers

Details

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