TeamPredict HR Calculators
HR, payroll and date calculators for turnover, eNPS, US take-home pay, bonus tax and overtime
Calculates employee turnover costs, retention rates, eNPS scores, US federal and state payroll taxes, bonuses, overtime, severance, PTO accrual, and business day calculations. No API key required.
Try asking Muse: "Calculate how much my company would save if we reduced employee turnover by 5 percentage points"
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Source: Found in the official MCP Registry (ai.teampredict/hr-calculators) · First listed October 28, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 41 min ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
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How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://www.teampredict.ai/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Also use it in ChatGPT or Claude
TeamPredict HR Calculators is a remote MCP server, so any assistant that can add a custom connector by link can use it. Same link, same tools.
Add it to ChatGPT
- 1
Open ChatGPT settings
In ChatGPT, open Settings, then Connectors (called Apps & Connectors on some accounts).
- 2
Turn on developer mode
Under Advanced settings, switch on Developer mode. That is what lets you add a connector by link.
- 3
Create the connector
Choose Create, give it a name, paste the link as the MCP server URL, and save. If it needs a sign-in, ChatGPT asks for it here.
- 4
Use it in a chat
Start a chat, open the tools menu, pick the connector, and ask. ChatGPT asks before it runs a tool the first time.
Custom connectors need a paid ChatGPT plan, and on Team, Enterprise and Edu accounts only an admin can add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in ChatGPT
Add it to Claude
- 1
Open Claude settings
In Claude, open Settings, then Connectors.
- 2
Add a custom connector
Choose Add custom connector, give it a name, and paste the link.
- 3
Connect and use it
If it needs a sign-in, Claude sends you to it. Then turn the connector on in a chat from the tools menu and ask.
Custom connectors are available on paid Claude plans; on Team and Enterprise accounts an admin may need to add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in Claude
https://www.teampredict.ai/mcpWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 259ms. Worked in 100% of checks over 30 days.
Screening · October 28, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 22
employee_turnover_costEstimate what employee turnover costs a company per year, and how much cutting turnover would save. Use it when you know headcount, average salary and the annual turnover rate and want the dollar cost of people leaving. Use employee_turnover_rate instead to work out the turnover employee_turnover_rateCalculate the employee turnover (attrition) rate for a month, quarter or year from starting headcount, ending headcount and the number of people who left. Use it when you have headcounts and separations and need the rate; it also annualizes a monthly or quarterly rate. Use employemployee_retention_rateCalculate the employee retention rate exactly, by separating leavers who were on the payroll at the start of the period from leavers who were hired during it. Use it when you can tell those two groups of leavers apart; it returns the standard retention rate, the new-hire retentiocost_of_a_bad_hireEstimate the total cost of one bad hire: the salary paid for lost productivity plus recruiting, onboarding, manager time, severance and the cost of hiring a replacement. Use it for a single failed hire with a known salary and tenure. Use employee_turnover_cost instead for the comenps_scoreCalculate an employee Net Promoter Score (eNPS) from survey response counts: the percentage of promoters minus the percentage of detractors, from -100 to +100. Use it when you have the count of people who answered 9-10 (promoters), 7-8 (passives) and 0-6 (detractors) to the questfte_calculatorCount full-time equivalent employees (FTE) from full-time staff and groups of part-time staff, and run the Affordable Care Act count that decides whether an employer has 50 or more full-time equivalents. Use it for workforce planning, headcount reporting or checking applicable-lapto_accrualWork out how paid time off accrues: hours earned per pay period, per month and per hour worked, plus the balance after each pay period, with an optional balance cap and hours already used. Use it to design or explain a PTO policy, or to project an employee's balance by year end. salary_increaseCalculate a pay raise: the new annual and hourly pay, the raise per year, month and biweekly paycheck, the raise as a percentage, and whether it keeps up with inflation. Give either raise_percent (a percentage raise on current pay) or new_pay (the new pay, from which the percentaseverance_payEstimate a severance package: weeks of pay per year of service times years of service times weekly pay, with an optional plan minimum and maximum, plus unused PTO paid out, employer-paid health coverage and other lump sums. Use it for an employer budgeting an exit or an employee us_paycheck_take_homeCalculate US take-home (net) pay from a salary or an hourly wage for 2026, after federal income tax (from the Form W-4), Social Security, Medicare and the state's own income tax and payroll contributions, in any of the 50 states or DC. Use it for 'how much will I take home on $X us_bonus_taxCalculate how much tax is withheld from a US bonus in 2026 and what is left: federal income tax (the 22% flat rate or the combined method, 37% above $1 million), Social Security, Medicare, and the state's own bonus withholding rule, for all 50 states and DC. Use it for 'how much hourly_to_salaryConvert pay between hourly, daily, weekly, biweekly, semimonthly, monthly and yearly, in either direction, from one amount. Use it for 'what is $25 an hour per year?' or 'what is $90,000 a year per hour?'. It uses hours per week and paid weeks per year (default 40 hours and 52 weovertime_payCalculate a week of overtime pay at time and a half under the federal FLSA rule (hours over 40 in the week) or California's rules (daily overtime over 8 hours, double time over 12, the seventh consecutive day, and the weekly 40). Use rule_set federal with total hours worked in thbusiness_days_betweenCount the business days (Monday to Friday, optionally skipping US federal holidays) between two dates. Use it for working-day questions such as notice periods, delivery windows, payroll runs and project lead times. Use add_business_days instead to find the date that is N businessadd_business_daysFind the date that is a given number of business days after (or before) a start date, skipping weekends and optionally US federal holidays. Use it to answer 'what is the due date 10 business days from now?', delivery dates, response deadlines and notice periods. Use business_daysadd_to_dateAdd or subtract years, months, weeks and days to or from a calendar date and get the resulting date with its weekday, ISO week and day of the year. Use it for 'what is the date 90 days from today?', contract end dates, probation periods and anniversaries. Years and months move bydays_between_datesCount the calendar days between two dates and break the gap into weeks, months and years, with the weekdays and weekend days inside it. Use it for 'how many days until X', tenure, age of a record, notice periods in calendar days and countdowns. Use business_days_between instead ttime_duration_betweenWork out how much time passes between a start and an end date and time, in days, hours and minutes, accounting for daylight saving changes in the chosen US time zone. Use it for shift lengths that cross midnight, elapsed time on a ticket, on-call windows and billing time. Use dayadd_time_to_datetimeMove a date and clock time forward or back by days, hours and minutes in a US time zone and get the resulting date and time. Days move the calendar date and keep the clock time (the way a phone calendar does); hours and minutes are counted as they really pass, so a daylight savinconvert_time_zoneConvert one date and clock time from a source time zone to other time zones, with daylight saving applied for that date, and find the stretch of the day when it is 9 AM to 5 PM in every zone at once. Use it to schedule across offices, pick a meeting time for a distributed team, omilitary_time_convertConvert between military (24-hour) time and standard 12-hour AM/PM time, in either direction. Give military_time (for example 1345, 13:45 or 0800) to get the standard time, or hour_12, minute and period to get the military time. Returns the converted time in every common written military_shift_hoursFind how long a shift or interval lasts between a start and an end written in military (24-hour) time, including shifts that run past midnight (2200 to 0630 is 8 hours 30 minutes). An end at or before the start counts as the next day. Returns hours and minutes and decimal hours fRecent checks
Link
https://www.teampredict.ai/mcpQuestions about TeamPredict HR Calculators in Muse
How do I connect TeamPredict HR Calculators to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use TeamPredict HR Calculators to help me. It is a free service with an MCP server at https://www.teampredict.ai/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is TeamPredict HR Calculators working right now?
At the last check (October 29, 2026, 11:16 UTC) the endpoint was working, answering in 259ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is TeamPredict HR Calculators safe to connect to Muse?
It was screened on October 28, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can TeamPredict HR Calculators do in Muse?
It exposes 22 tools, including employee_turnover_cost, employee_turnover_rate, employee_retention_rate, cost_of_a_bad_hire. For example, you could ask Muse: "Calculate how much my company would save if we reduced employee turnover by 5 percentage points"
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