"Compare all differences between two source code folders, including binary files" matching MCP connectors:

Garmin data in Claude: 135 tools — activities, sleep, HRV, training, workouts. Free, open source.

WHOOP recovery, strain, sleep and workouts in Claude via official WHOOP OAuth. Free, open source.

Etapa is an AI cycling coach for beginners. The MCP exposes two tools: `generate_training_plan` (2-4 week plans powered by the Etapa API) and `cycling_beginner_guide` (advice on bikes, gear, safety). Free, no account.

LoseStreak is an iOS competitive-fitness app where users challenge friends to 1v1, free-for-all, or team battles across 23 challenge types — bodyweight reps counted on-device with pose estimation, runs/lifts/cycling auto-synced from HealthKit, meals logged via AI image scanning, with an AI-generated verdict at competition end.

Oura MCP server for chatting to your Oura data. Ships with daily summaries, recommendations, and direct access to all API enabled data.