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HealthStacks AI · Episode 03

I Fed My Blood Work to an AI — Here's What It Said

James McAulay connects his training apps and blood tests to Claude Desktop, then demonstrates how he uses it to review workouts and plan training.

In this episode

  • Connecting training apps to Claude with MCP servers
  • Writing a system prompt with training goals and history
  • Adding a blood test report to the analysis
  • Converting PDFs to Markdown
  • The limits of AI coaching

Timestamps

  • 00:00 Cold open — preview clip
  • 00:55 Welcome and guest introduction
  • 01:27 James previews the episode
  • 02:20 "Not a replacement for a human coach"
  • 03:00 James's background: 15 years of data tracking
  • 05:10 Screen share begins — Claude Desktop setup
  • 06:00 System prompt walkthrough
  • 07:21 Live demo 1 — multi-data retrospective (sleep, HRV, run critique)
  • 09:05 Sleep data pull from Garmin
  • 10:05 Run critique from TrainingPeaks
  • 12:08 Live demo 2 — session planning from readiness metrics
  • 13:46 Live demo 3 — gym programming via Heavy app
  • 15:20 AI notices a bicep training gap
  • 17:00 Deep research use case
  • 18:41 Injury-prevention framing — "You're not ready to run 100K"
  • 19:55 Layer 4 — Randox blood work added to context
  • 21:18 Privacy note and data trust
  • 21:41 Live query: post-workout nutrition from blood markers
  • 23:30 Personalised reference ranges discussion
  • 25:26 Value summary and key principles
  • 26:19 Wrap-up
  • 27:21 Post-production bonus: Zwift workout push
  • 27:35 Outro

Links

  • Claude Desktop — AI agent with MCP server support
  • Claude Projects — Persistent system prompts and file context
  • Garmin — Wearable for sleep, HRV, body battery, resting heart rate
  • Strava — Activity tracking
  • TrainingPeaks — Structured training plans and analysis
  • Intervals.icu — Free training analytics platform
  • Heavy — Gym workout logging app with MCP integration
  • Randox — Blood testing service
  • Zwift — Indoor cycling platform
  • MyFitnessPal — Nutrition tracking (mentioned as future integration)

This episode is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional before making changes to your training, nutrition, or supplementation. AI tools are decision-support aids, not replacements for professional medical guidance.

Healthier Notes

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Healthier Notes

A founder’s playbook every week.

The frameworks and playbooks behind the fastest growing companies in health, fitness and wellbeing.