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Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Code & DevOps

Fitbit MCP by usefulapi

By usefulapi.io Verified namespace

Read Fitbit profile, activity, sleep, heart rate and device data.

WebsiteSource code
Connect to Fitbit MCP by usefulapi
Checks passed
14 / 22

0 failed · 8 not measured

Median response
61 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
17

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
400
Publisher identityCan the publisher be traced to its source?
402

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 61 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name fitbit-mcp.

  • Pass
    Lists tools

    tools/list returned 17 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 61 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 61 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    24 of 24 parameters have a description (100%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Pass
    Source repo linked

    A repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-11-10T23:33:24.554596Z, within 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

Start using Fitbit MCP by usefulapi

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http fitbit-mcp-by-usefulapi https://fitbit.usefulapi.io/mcp

Capabilities

Tools 17

fitbit_activity_goals

The user's activity goals (steps/distance/calories/active-minutes) for the daily or weekly period. Fitbit REST: GET /1/user/-/activities/goals/{period}.json.

Discovered
fitbit_activity_time_series

Activity metric time series over a date range (e.g. daily steps for a week). Max 1095 days. Fitbit REST: GET /1/user/-/activities/{resource}/date/{startDate}/{endDate}.json.

Discovered
fitbit_body_fat_log

Body fat percentage log entries for a date. Fitbit REST: GET /1/user/-/body/log/fat/date/{date}.json.

Discovered
fitbit_breathing_rate

Breathing (respiratory) rate summary for a date or range. Fitbit REST: GET /1/user/-/br/date/{date}[/{endDate}].json.

Discovered
fitbit_cardio_score

Cardio fitness score (VO2 max estimate) for a date or range. Fitbit REST: GET /1/user/-/cardioscore/date/{date}[/{endDate}].json.

Discovered
fitbit_daily_activity_summary

Daily activity summary for a date — steps, distance, floors, calories, active minutes, and the day's logged activities. Fitbit REST: GET /1/user/-/activities/date/{date}.json.

Discovered
fitbit_food_log

Food/nutrition log for a date — logged foods and daily nutrition totals (calories, macros). Fitbit REST: GET /1/user/-/foods/log/date/{date}.json.

Discovered
fitbit_get_devices

List the user's Fitbit devices/trackers (battery, last sync, version). Fitbit REST: GET /1/user/-/devices.json.

Discovered
fitbit_get_profile

The current user's Fitbit profile (name, age, gender, height, timezone, member since, avatar, etc.). Fitbit REST: GET /1/user/-/profile.json.

Discovered
fitbit_heart_rate

Heart-rate time series — resting HR and time in each HR zone. Give a single date + period, OR a date + endDate range. Fitbit REST: GET /1/user/-/activities/heart/date/{date}/{period|endDate}.json.

Discovered
fitbit_hrv

Heart rate variability (HRV) summary for a date or range. Fitbit REST: GET /1/user/-/hrv/date/{date}[/{endDate}].json.

Discovered
fitbit_lifetime_stats

Lifetime and best-ever activity statistics (total steps, distance, floors; personal bests). Fitbit REST: GET /1/user/-/activities.json.

Discovered
fitbit_skin_temperature

Skin temperature (relative to baseline) for a date or range. Fitbit REST: GET /1/user/-/temp/skin/date/{date}[/{endDate}].json.

Discovered
fitbit_sleep_log

Sleep logs for a date (or date range) — stages/levels, duration, efficiency, start/end times. Fitbit REST: GET /1.2/user/-/sleep/date/{date}[/{endDate}].json.

Discovered
fitbit_spo2

Blood oxygen saturation (SpO2) summary for a date or range. Fitbit REST: GET /1/user/-/spo2/date/{date}[/{endDate}].json.

Discovered
fitbit_water_log

Water intake log for a date. Fitbit REST: GET /1/user/-/foods/log/water/date/{date}.json.

Discovered
fitbit_weight_log

Body weight log entries for a date. Fitbit REST: GET /1/user/-/body/log/weight/date/{date}.json.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected61 ms17

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