One focused fix,
not a list of every flaw.
Coach Harvey is an AI golf coach. You upload a swing, we return the single biggest thing to fix — and we remember every session you log so we can spot patterns over time.
Why this exists
Most swing apps overwhelm you. They tag fifteen faults at once, rank them by severity, and leave you to figure out which one actually matters. A good human coach doesn’t do that. A good human coach pulls you aside after a swing and says one thing — the highest-leverage thing — and lets you work on it until it sticks. Then they pick the next thing.
Coach Harvey is built around that single idea. One swing, one directive, one drill. Repeat.
How it works
When you upload a swing, we extract pose keypoints frame by frame using on-device computer vision. Then we send the swing context — your phase timings, joint angles, swing path, and the history of every previous session you’ve logged — to Claude Sonnet 4.6 (Anthropic). Claude identifies the biggest fault, names the correct form, and recommends the drills that target it.
We chose Claude because reasoning quality matters more than speed for coaching. A human coach takes a beat before speaking. So does Coach Harvey.
What Coach Harvey is not
Coach Harvey is not a replacement for a PGA professional. It does not diagnose injuries, prescribe physical therapy, or recommend equipment. It is a swing coach — opinionated, pattern-aware, and always available — built to sit alongside whatever other coaching you already get.
Powered by Claude
Coach Harvey is built on Claude (Anthropic). Every coaching directive, every chat answer, every pattern detection — all Claude. We think the AI you trust your golf game to should be named, not hidden behind a generic “AI” label.
Ready to fix your swing?
Upload your first swing in under a minute. Free during the launch.
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