MCP Fitbit MCP Server

Model Context Protocol (MCP) server for accessing Fitbit health and fitness data. Connect AI assistants like Claude to your Fitbit data for

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What is the MCP Fitbit MCP server?

Connect MCP Fitbit to Claude, Cursor or any other MCP client and it stops being a tab you switch to. Model Context Protocol (MCP) server for accessing Fitbit health and fitness data. Connect AI assistants like Claude to your Fitbit data for personalized health insights. The mcp fitbit mcp server is what makes that connection.

What the server does

Give your AI assistant access to your Fitbit data for personalized health insights, trend analysis, and automated tracking. Works with Claude Desktop and other MCP-compatible AI tools.

Available tools

The toolset is worth reading before you wire it up, because it tells you what the integration is really for:

  • get_weight — Weight data over time periods
  • get_sleep_by_date_range — Sleep logs for date range (max 100 days)
  • get_exercises — Activity/exercise logs after date
  • get_daily_activity_summary — Daily activity summary with goals
  • get_activity_goals — User's activity goals (daily/weekly)
  • get_activity_timeseries — Activity time series data (max 30 days)
  • get_azm_timeseries — Active Zone Minutes time series (max 1095 days)
  • get_heart_rate — Heart rate for time period
  • get_heart_rate_by_date_range — Heart rate for date range (max 1 year)
  • get_food_log — Complete nutrition data for a day
  • get_nutrition — Individual nutrient over time
  • get_nutrition_by_date_range — Individual nutrient for date range

Installation

mcp-fitbit on npm is all you need. Most clients run it directly, so configuration is a few lines and a restart.

Credentials and setup notes

Configuration is passed through the environment: FITBIT_CLIENT_ID, FITBIT_CLIENT_SECRET. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.

Where it fits

Among the monitoring and observability options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. MCP Fitbit's toolset — get_weight, get_sleep_by_date_range, get_exercises and 10 more — is a fair guide to whether it matches your workflow. It is maintained by TheDigitalNinja; worth a glance at recent repository activity before you build anything load-bearing on it.

SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.

Worth knowing first

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • With 13 tools registered it takes up a noticeable share of the context window; turn it off in projects that never touch MCP Fitbit.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

Available tools

ToolWhat it does
get_weightWeight data over time periods
get_sleep_by_date_rangeSleep logs for date range (max 100 days)
get_exercisesActivity/exercise logs after date
get_daily_activity_summaryDaily activity summary with goals
get_activity_goalsUser's activity goals (daily/weekly)
get_activity_timeseriesActivity time series data (max 30 days)
get_azm_timeseriesActive Zone Minutes time series (max 1095 days)
get_heart_rateHeart rate for time period
get_heart_rate_by_date_rangeHeart rate for date range (max 1 year)
get_food_logComplete nutrition data for a day
get_nutritionIndividual nutrient over time
get_nutrition_by_date_rangeIndividual nutrient for date range
get_profileUser profile information

How to install the MCP Fitbit MCP server

{
  "mcpServers": {
    "fitbit": {
      "command": "mcp-fitbit",
      "args": []
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

VariableDescriptionRequired
FITBIT_CLIENT_IDConfiguration value read at startup.Optional
FITBIT_CLIENT_SECRETCredential the server authenticates with.Yes

Example prompts to try

  • Use MCP Fitbit to get weight.
  • Use MCP Fitbit to get sleep by date range.
  • Use MCP Fitbit to get exercises.

Frequently asked questions

It connects MCP Fitbit to MCP-compatible AI assistants such as Claude and Cursor, exposing 13 tools (get_weight, get_sleep_by_date_range, get_exercises, and more) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with MCP Fitbit directly.