period_b_start

MCP tool from Whoop MCP by shashankswe2020-ux

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How to use it

period_b_start is exposed by the Whoop MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the period_b_start tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.

Install Whoop MCP

$npx whoop-ai-mcp setup

FULL WHOOP MCP LISTING

Other tools in Whoop MCP (25)

compare_periods

Compare health metrics between two time periods — shows improvement or regression in recovery, sleep, and strain.

days

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end

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get_body_measurement

Get the user's body measurements — height, weight, and max heart rate.

get_calendar

Get a day-by-day grid of recovery, sleep, and strain for a date range. Perfect for weekly/monthly overviews.

get_cycle_by_id

Get a single physiological cycle by ID. Returns strain, calories, and heart rate data.

get_cycle_collection

Get physiological cycles for a date range. Returns strain, calories, and heart rate data per cycle.

get_profile

Get the authenticated user's basic profile — name and email.

get_recovery_collection

Get recovery scores for a date range. Returns HRV, resting heart rate, SpO2, and skin temp for each day.

get_sleep_by_id

Get a single sleep record by ID. Returns sleep stages, duration, respiratory rate, and performance scores.

get_sleep_collection

Get sleep records for a date range. Returns sleep stages, duration, respiratory rate, and performance scores.

get_today

Get today's complete health snapshot — recovery score, last night's sleep, current strain, and last workout in one call. Perfect for "how am I doing today?" questions.

get_trend

Analyze a health metric trend over time — detects direction (improving/declining/stable), variability, and anomalies using linear regression.

get_weekly_summary

Get a summarized health report for a given week — average recovery, HRV, RHR, sleep duration and quality, workout count and strain, plus recovery trend direction.

get_workout_by_id

Get a single workout record by ID. Returns strain, heart rate zones, calories, and sport type.

get_workout_collection

Get workout records for a date range. Returns strain, heart rate zones, calories, and sport type.

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