BoringToolsKit

Name: BoringToolsKit
Author: roadtogideon222-byte

MCP serverMCP

36 free private calculator tools for Claude. No accounts, no data leaves your session.

by roadtogideon222-byterepository ↗v1.0.0

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Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability19/19 checks ok

when	check	result	http	latency	detail
2 h ago	mcp initialize	ok	200	56 ms	server boringtoolskit 1.0.0 · protocol 2025-06-18 · 36 tools
8 h ago	mcp initialize	ok	200	107 ms	server boringtoolskit 1.0.0 · protocol 2025-06-18 · 36 tools
18 h ago	mcp initialize	ok	200	157 ms	server boringtoolskit 1.0.0 · protocol 2025-06-18 · 36 tools
27 h ago	mcp initialize	ok	200	59 ms	server boringtoolskit 1.0.0 · protocol 2025-06-18 · 36 tools
33 h ago	mcp initialize	ok	200	94 ms	server boringtoolskit 1.0.0 · protocol 2025-06-18 · 36 tools
2 d ago	mcp initialize	ok	200	127 ms	server boringtoolskit 1.0.0 · protocol 2025-06-18 · 36 tools
2 d ago	mcp initialize	ok	200	160 ms	server boringtoolskit 1.0.0 · protocol 2025-06-18 · 36 tools
2 d ago	mcp initialize	ok	200	61 ms	server boringtoolskit 1.0.0 · protocol 2025-06-18 · 36 tools
3 d ago	mcp initialize	ok	200	112 ms	server boringtoolskit 1.0.0 · protocol 2025-06-18 · 36 tools
3 d ago	mcp initialize	ok	200	132 ms	server boringtoolskit 1.0.0 · protocol 2025-06-18 · 36 tools

Tools observed via MCP handshake

tip_bill_split — Split a bill across a group after tax, tip, and optional rounding. Returns each person's share, the tip, the effective tip rate, and the collected total.
discount_percent_off — Compute the final checkout total after stacked percentage discounts, a fixed coupon, and a tax assumption. Sequential discounts are NOT additive.
bmi — Calculate body mass index and category from weight and height in US units.
bmr_tdee — Estimate basal metabolic rate (Mifflin-St Jeor) and total daily energy expenditure from age, weight, height, sex, and an activity multiplier.
mortgage_payment — Estimate the full monthly housing payment (principal, interest, tax, insurance, PMI, HOA) and the total interest over the term. Requires a positive home price.
auto_loan — Estimate a monthly auto-loan payment from price, down payment, trade-in, term, and APR.
compound_interest — Grow a balance with compound interest and optional monthly contributions. Returns future value, total contributed, and interest earned.
savings_growth — Project the future value of a lump-sum investment (optionally with monthly additions), including interest earned.
simple_interest — Compute simple interest, total value, and a comparison to annual compounding.
calorie — Estimate BMR and total daily energy expenditure using Mifflin-St Jeor, from weight/height in US units.
percentage — Solve percentage problems: what is X% of Y, X is what % of Y, or the % change from X to Y.
square_footage — Compute total area (and with-waste area) from up to two rectangular spaces, plus square yards, square metres, and acres.
apy — Compute annual percentage yield from a nominal rate and a compounding frequency, plus the one year interest and ending balance on an example deposit.
win_loss_percentage — Compute a winning percentage from wins, losses, and ties, where ties count as half a win.
slope — Compute slope from rise and run as degrees, percent grade, and the rise to run ratio. Run must be above zero.
rule_of_72 — Estimate the doubling time of money at a fixed rate using the rule of 72, plus the exact doubling time from the compound formula. Rate must be between 0 and 30
cagr — Compute the compound annual growth rate connecting a starting and an ending value over a number of years, with total return percent and absolute change.
remainder — Compute the remainder and floored quotient of a division. Works for decimal inputs, not just integers.
combinations — Compute the number of distinct combinations, n choose r, using a multiplicative form that avoids factorial overflow.
margin_of_error — Compute the margin of error for a survey sample at the 90, 95, or 99 percent confidence level, assuming maximum variance proportions.
va_mortgage — Monthly VA loan payment including the funding fee, with no PMI. Returns the financed amount, payment, and total interest.
gross_rent_multiplier — Gross rent multiplier for a rental property: price divided by annual gross rent. Lower means more rent per dollar of price.
emergency_fund — Emergency fund target (expenses times coverage months), the remaining gap versus current savings, and months to close the gap at a fixed monthly contribution.
dividend_reinvestment — Compound a portfolio with a constant dividend yield and price growth, reinvesting monthly and optionally adding deposits. Returns ending value, total contribute
budget_50_30_20 — Split monthly after-tax income by the 50/30/20 rule into needs, wants, and savings or debt paydown.
growing_degree_day — Accumulate growing, heating, or cooling degree days (Fahrenheit basis) from daily high, low, a base threshold, and a day count. Includes Celsius-basis totals.
insulation — U-value of an insulation upgrade and an estimated annual heating saving from conduction, using heating degree days, area, kWh conversion, and utility cost.
roofing — Roof area from footprint and pitch, with waste allowance, roofing squares, and approximate shingle bundles (3 per square).
maintenance_calories — Daily maintenance calories (TDEE) from Mifflin-St Jeor BMR and an activity level, using metric inputs.
protein_molecular_weight — Estimate a protein chain molecular weight in Da and kDa from residue count and average residue mass, plus peptide bond count.
key_transposition — Transpose a musical key and report the number of semitone steps upward between two keys.
audio_time_stretch — Compute the new duration of audio at a playback speed, plus the percent time change.
youtube_revenue — Estimated YouTube Adsense revenue from monthly views and RPM, with an annual figure and a 30 percent RPM swing range. RPM defaults to 2 when omitted.
ceiling_tile — Count 2x2 ft ceiling tiles needed for a rectangular room, with room area and a 5 percent cut-waste reminder.
boat_loan — Boat or RV loan payment with optional sales tax, down payment, and trade-in, including amount financed and total interest.
pressure — Compute pressure in Pascals, kilopascals, and psi from a force in newtons over an area in square metres.

BoringToolsKit

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