Intervals.icu: connect, sync and troubleshoot

Connect the training and wellness history you keep in Intervals.icu, then compare it with sleep, nutrition and measurements from your other sources.

Before you connect

Sign in to your own Intervals.icu athlete account and confirm the activities you want are visible there. freddy uses the account authorization flow; you do not need to paste a personal API key.

Connect

Open Sources in freddy

1. Open Intervals.icu in Sources and choose Connect when available.
2. Sign in to the Intervals.icu account containing your records. Review the permissions and authorize the categories you want to share.
3. Return to freddy and inspect the source’s import status and date coverage.

What reaches freddy

• Activity summaries and available interval details, including duration, distance, heart rate, power and training load.
• Wellness records such as sleep, resting heart rate, HRV and weight when present.
• Source-provided training estimates, kept distinguishable from recorded measurements.

History and updates

freddy imports available activity and wellness history and keeps the connection updated. Availability can differ for records imported into Intervals.icu from another service. A workout listed in the calendar does not guarantee all its underlying detail is available for export.

If data is missing

• A workout is absent: check its date and origin in Intervals.icu, then use Sync.
• A detailed chart is missing: the data shared by Intervals.icu can be narrower than the charts shown in its own app.
• The same ride appears from your device and Intervals.icu: ask your AI client to identify overlapping sessions before calculating totals.

Use it with your other sources

Compare Intervals.icu training load with my Oura sleep by week. Keep the source’s estimates separate from measurements.

Pause or disconnect

Use Paused on the source to stop future sync without deleting its stored history. Disconnect removes the connection and its associated data from freddy; read the confirmation before continuing. It does not delete your records in Intervals.icu. You can also revoke freddy’s authorization in the source service’s connected-app settings.

Provider instructions

Intervals.icu API and account authorization

Related help

Choose a source

Find missing data and understand sync

Contact freddy support

Use your Intervals.icu data with your AI

Pick your AI for the setup steps and ideas for what to ask.

• Claude Desktop
  On Claude Team and Enterprise, an Owner adds freddy for the organization first.
• ChatGPT
• OpenAI dots
  Availability depends on your OpenAI plan and region.
• Grok Bot
• Grok
• Muse
• Muse Code
• Gemini
  Gemini's custom apps need Gemini Spark, which comes with Google AI Pro or Ultra, and are US and English only.
• Gemini CLI
  Gemini CLI is a developer command-line tool, not the consumer Gemini app. The app connects separately and needs Gemini Spark.
• Claude Code
• Cursor
• Codex
• Perplexity
  Custom connectors require Perplexity Pro, Max, or Enterprise.
• OpenClaw
• Hermes Agent
• Instinct
  Experimental. Instinct is invite only and does not publish steps for adding your own MCP server.
• Hark
  Experimental. Hark does not document a way to add your own MCP server yet, so this may not work today.
• the freddy CLI

freddy is an independent service and is not affiliated with, endorsed by, or sponsored by the makers of the third-party AI apps above.