"SearXNG - Open Source Metasearch Engine" matching MCP connectors:

Daash connects Garmin Connect to ChatGPT and Claude. Your assistant reads your runs, splits, sleep, HRV, Body Battery and recovery, and writes structured workouts and whole training plans to your Garmin calendar, so they're on your watch at the next sync. Free, hosted, open source. Works on free Claude.

Free calculators for body composition, calories, protein and strength, with source links.

Measured race courses, open to all, and your own runs, Blocks and plans once you sign in.

Deterministic fitness coaching engine: adaptive programs, progression math, readiness autoregulation

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.