CalcBright Calculators
REMOTE · CALCBRIGHT.COM
160+ calculators: take-home pay for 166 countries, mortgage, loan, VAT, BMI, dates, units, currency.
Available components
Last scanned (15 hours ago)
Scores higher than 46% of remote servers
Reachable. Last reached 18 Oct 2026.
Category Finance and Payments
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →
Endpoint Security63
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- Authorisation not fully verified: no authorisation is required to call this server, and 4 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe. See how to fix → View diagnostics → Unverified
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability63
- AI-judged instruction clarity (good).Pass
- Context-footprint check failed: tool/resource definitions use about 22822 tokens (~136/item across 167 items; 167 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management20
- Stability observed for 6 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 100% of tool parameters carry a description.Pass
Tool Safety75
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- 0 of 4 tool(s) whose name or description implies an irreversible operation declare an MCP destructiveHint annotation; "land_transfer_tax_calculator" implies "transfer" and declares readOnlyHint instead, contradicting what its own name says it does. See how to fix → Fail
- An AI judge read all 168 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities60
- Spec-recency check failed: implements MCP spec 2025-06-18; the latest is 2026-07-28. See how to fix → Fail
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 17 Oct 26 +1
- “body_surface_area_calculator” added an optional parameter “heightIn” cosmetic
- “body_surface_area_calculator” added an optional parameter “weightLb” cosmetic
- “take_home_pay_calculator” added an optional parameter “bahrain” cosmetic
- “401k_calculator” dropped the optional parameter “currency” cosmetic
4 cosmetic changes on this day. Switch on “Show cosmetic changes” to see them.
- 16 Oct 26 0
- The server rewrote its instructions, which are the text every model session reads security
- New tool “body_surface_area_calculator” functional
- New tool “interest_only_mortgage_calculator” functional
- New tool “permutation_combination_calculator” functional
- New tool “unit_price_calculator” functional
- New tool “weighted_average_calculator” functional
- 15 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes.
- 13 Oct 26 +1
- Stability: unverified → 0.03 ▲ functional
- 12 Oct 26 61
First indexed and scored.
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 18 Oct 2026 · Probed https://calcbright.com/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=calcbright.com | CN=WE1,O=Google Trust Services,C=US | 10 Oct 2026 | 8 Jan 2027 | ECDSA 256 | ECDSA-SHA256 | fd64dec770757eda0e3f86c99850958b |
| SANs: calcbright.com | ||||||
| CN=WE1,O=Google Trust Services,C=US (CA) | CN=GTS Root R4,O=Google Trust Services LLC,C=US | 13 Dec 2023 | 20 Feb 2029 | ECDSA 256 | ECDSA-SHA384 | 7ff31977972c224a76155d13b6d685e3 |
| CN=GTS Root R4,O=Google Trust Services LLC,C=US (CA) | CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE | 15 Nov 2023 | 28 Jan 2028 | ECDSA 384 | SHA256-RSA | 7fe530bf331343bedd821610493d8a1b |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of calcbright.com. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| com. | present | 19718 | 13 | Verified |
| calcbright.com. | absent | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
| Header | Value |
|---|---|
| strict-transport-security | max-age=31536000; includeSubDomains |
| x-content-type-options | nosniff |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://calcbright.com/mcp | Verified | 200 | |
| http (plaintext) | http://calcbright.com/mcp | HTTPS enforced | 301 | https://calcbright.com/mcp |
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
401k_calculator 401(k) Calculator ~176
A 401k calculator with the 2026 $24,500 limit and catch-ups built in: project your balance at retirement from your match, raises and returns, year by year. Web page: https://calcbright.com/401k-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| age | number | – | Current age (years) |
| balance | number | – | Current 401(k) balance |
| contribution | number | – | Your contribution (% of pay) |
| match | number | – | Employer match (%) e.g. 50% of what you contribute… |
| matchLimit | number | – | …up to (% of pay) |
| raise | number | – | Annual salary increase (%) |
| rate | number | – | Expected annual return (%) |
| retireAge | number | – | Retirement age (years) |
| salary | number | – | Annual salary |
No output schema declared.
No examples provided.
age_calculator Age Calculator ~92
Your exact age in years, months and days from your date of birth, plus total weeks and days, the weekday you were born and how long until your next birthday. Web page: https://calcbright.com/age-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| asOf | string | – | Age on date Leave empty to use today's date. (YYYY-MM-DD) |
| birth | string | – | Date of birth (YYYY-MM-DD) |
No output schema declared.
No examples provided.
amortization_calculator Amortization Calculator ~130
This amortization calculator splits every payment into principal and interest, shows your payoff date and what extra payments save, and exports to CSV. Web page: https://calcbright.com/amortization-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| amount | number | – | Loan amount |
| currency | string | – | Currency |
| extra | number | – | Extra payment / month Added to principal every month from the first payment. |
| rate | number | – | Interest rate (%) |
| start | string | – | First payment date (YYYY-MM-DD) |
| term | number | – | Loan term |
| unit | string | – | Term in |
No output schema declared.
No examples provided.
annuity_calculator Annuity Calculator ~162
An annuity calculator for fixed-term income: what a lump sum pays monthly over 10–30 years, or the pot needed for a target payment, level or rising yearly. Web page: https://calcbright.com/annuity-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| amount | number | – | Lump sum (starting balance) |
| currency | string | – | Currency |
| frequency | string | – | Payments |
| growth | number | – | Payment increase each year (%) E.g. 2–3% to keep pace with inflation. |
| mode | string | – | I want to find |
| rate | number | – | Annual interest rate (%) Compounded at the payment frequency. |
| timing | string | – | Paid at |
| years | number | – | Payout period (years) |
No output schema declared.
No examples provided.
apr_calculator APR Calculator ~120
A 7% loan with a $1,000 fee really costs 9.17%. This APR calculator folds origination fees and points into the true rate, payment and full cost of borrowing. Web page: https://calcbright.com/apr-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| amount | number | – | Loan amount |
| currency | string | – | Currency |
| fees | number | – | Upfront fees Origination, processing, points and other finance charges. |
| rate | number | – | Interest rate (%) |
| term | number | – | Loan term (months) |
No output schema declared.
No examples provided.
area_calculator Area Calculator ~93
Area of a rectangle, square, triangle, circle, trapezoid, parallelogram or ellipse from your measurements, with the formula and the working shown. Web page: https://calcbright.com/area-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| shape | string | – | Shape |
| unit | string | – | Unit |
| x | number | – | Length |
| y | number | – | Width |
| z | number | – | – |
No output schema declared.
No examples provided.
auto_loan_calculator Auto Loan Calculator ~138
An auto loan calculator that counts sales tax, down payment and trade-in the way most US states do, then shows the car payment, interest and full schedule. Web page: https://calcbright.com/auto-loan-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| currency | string | – | Currency |
| down | number | – | Down payment |
| price | number | – | Vehicle price |
| rate | number | – | Interest rate (APR) (%) |
| tax | number | – | Sales tax (%) Charged on the price minus the trade-in. |
| term | number | – | Loan term (months) |
| tradeIn | number | – | Trade-in value |
No output schema declared.
No examples provided.
average_calculator Average Calculator ~77
Paste a list of numbers to get the mean, median, mode, range, sum and count at once – with the working for each, so you can see why mean and median differ. Web page: https://calcbright.com/average-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| numbers | string | – | Numbers Separate values with commas, spaces or new lines. |
No output schema declared.
No examples provided.
bmi_calculator BMI & Calorie Calculator ~153
70 kg at 1.75 m is a BMI of 22.9. Check your Body Mass Index in kg/cm or lb/ft, the healthy weight range for your height, your BMR and daily calorie needs. Web page: https://calcbright.com/bmi-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| activity | string | – | Activity level |
| age | number | – | Age (years) |
| cm | number | – | Height (cm) |
| ft | number | – | Height (ft) |
| inch | number | – | (in) |
| kg | number | – | Weight (kg) |
| lb | number | – | Weight (lb) |
| sex | string | – | Sex |
| units | string | – | Units |
No output schema declared.
No examples provided.
bmr_calculator BMR Calculator ~162
Your basal metabolic rate from Mifflin–St Jeor, revised Harris–Benedict and Katch–McArdle side by side, plus daily calorie needs at five activity levels. Web page: https://calcbright.com/bmr-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| age | number | – | Age (years) |
| bodyFat | number | – | Body fat (optional, for Katch–McArdle) (%) |
| cm | number | – | Height (cm) |
| ft | number | – | Height (ft) |
| inch | number | – | (in) |
| kg | number | – | Weight (kg) |
| lb | number | – | Weight (lb) |
| sex | string | – | Sex |
| units | string | – | Units |
No output schema declared.
No examples provided.
body_fat_calculator Body Fat Calculator ~246
Body fat % from a tape measure with the US Navy (Hodgdon–Beckett) formula: enter neck, waist and hips to get your ACE category, fat mass and lean mass. Web page: https://calcbright.com/body-fat-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| cm | number | – | Height (cm) |
| ft | number | – | Height (ft) |
| hipCm | number | – | Hips (widest point) (cm) |
| hipIn | number | – | Hips (widest point) (in) |
| inch | number | – | (in) |
| kg | number | – | Weight (kg) |
| lb | number | – | Weight (lb) |
| neckCm | number | – | Neck (below the larynx) (cm) |
| neckIn | number | – | Neck (below the larynx) (in) |
| sex | string | – | Sex |
| units | string | – | Units |
| waistCm | number | – | Waist (men: at navel · women: narrowest) (cm) |
| waistIn | number | – | Waist (men: at navel · women: narrowest) (in) |
No output schema declared.
No examples provided.
body_surface_area_calculator Body Surface Area Calculator ~122
A person 170 cm tall weighing 70 kg has a body surface area of 1.82 m² by the Mosteller formula. See Du Bois and Haycock results next to it, in metric or imperial. Web page: https://calcbright.com/body-surface-area-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| height | number | – | Height (cm) |
| heightIn | number | – | Height (inches) |
| units | string | – | Units |
| weight | number | – | Weight (kg) |
| weightLb | number | – | Weight (pounds) |
No output schema declared.
No examples provided.
break_even_calculator Break-Even Calculator ~107
How many units must you sell before you make a profit? Enter fixed costs, price and variable cost to get break-even units, revenue and contribution margin. Web page: https://calcbright.com/break-even-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| currency | string | – | Currency |
| fixed | number | – | Fixed costs (per period) Rent, salaries, insurance… |
| price | number | – | Price per unit |
| variable | number | – | Variable cost per unit Materials, packaging, commission… |
No output schema declared.
No examples provided.
btu_calculator BTU Calculator ~180
Size an air conditioner or heater in BTU/h, tons and kW from room area, ceiling height, sun and occupants – with a Gulf climate setting for the UAE and Saudi. Web page: https://calcbright.com/btu-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| ceilFt | number | – | Ceiling height (ft) |
| ceilM | number | – | Ceiling height (m) |
| climate | string | – | Climate |
| kitchen | string | – | Is it a kitchen? |
| mode | string | – | Sizing for |
| occupants | number | – | People usually in the room |
| sqft | number | – | Room area (sq ft) Length × width of the room. |
| sqm | number | – | Room area (m²) Length × width of the room. |
| sun | string | – | Sun exposure |
| units | string | – | Units |
No output schema declared.
No examples provided.
budget_calculator Budget Calculator ~114
Budget your take-home pay with the 50/30/20 rule – needs, wants and savings in monthly amounts – or set your own split, such as 60/20/20 for high-rent cities. Web page: https://calcbright.com/budget-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| currency | string | – | Currency |
| income | number | – | Monthly take-home income After tax and deductions |
| needsPct | number | – | Needs (%) |
| wantsPct | number | – | Wants (%) Savings get whatever is left |
No output schema declared.
No examples provided.
business_days_calculator Business Days Calculator ~116
Count Monday–Friday working days between two dates (January 2026 has 22), or add business days to a start date to find a shipping or contract deadline. Web page: https://calcbright.com/business-days-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| days | number | – | Business days to add Use a negative number to go back in time. |
| end | string | – | End date (YYYY-MM-DD) |
| mode | string | – | What do you want to do? |
| start | string | – | Start date (YYYY-MM-DD) |
No output schema declared.
No examples provided.
cagr_calculator CAGR Calculator ~104
A CAGR calculator for the steady yearly rate between two values: $10,000 to $20,000 in 5 years is 14.87% a year. Use it for investments, revenue or users. Web page: https://calcbright.com/cagr-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| begin | number | – | Beginning value |
| currency | string | – | Currency |
| end | number | – | Ending value |
| years | number | – | Number of years (years) |
No output schema declared.
No examples provided.
calorie_deficit_calculator Calorie Deficit Calculator ~189
Your maintenance calories, a daily target for losing 0.25–1 kg (0.5–2 lb) a week and the weeks to your goal weight – never set below safe minimum intakes. Web page: https://calcbright.com/calorie-deficit-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| activity | string | – | Activity level |
| age | number | – | Age (years) |
| cm | number | – | Height (cm) |
| ft | number | – | Height (ft) |
| goalKg | number | – | Goal weight (kg) |
| goalLb | number | – | Goal weight (lb) |
| inch | number | – | (in) |
| kg | number | – | Weight (kg) |
| lb | number | – | Weight (lb) |
| rate | string | – | Weight loss per week (kg) |
| sex | string | – | Sex |
| units | string | – | Units |
No output schema declared.
No examples provided.
calories_burned_calculator Calories Burned Calculator ~106
Calories burned walking, running, cycling, swimming, lifting and 20+ more activities, from Compendium MET values, your body weight and the time spent. Web page: https://calcbright.com/calories-burned-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| activity | string | – | Activity |
| kg | number | – | Weight (kg) |
| lb | number | – | Weight (lb) |
| minutes | number | – | Duration (min) |
| units | string | – | Units |
No output schema declared.
No examples provided.
canadian_mortgage_calculator Canadian Mortgage Calculator ~182
Canadian mortgage payments with semi-annual compounding, CMHC premiums, the minimum down payment and accelerated bi-weekly or weekly options. Web page: https://calcbright.com/canadian-mortgage-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| buyer | string | – | First-time buyer or new build? Insured mortgages can be amortized over 30 years only for first-time buyers or newly built homes. |
| down | number | – | Down payment (%) Minimum 5% of the first $500,000 and 10% of the rest; 20% from $1.5M. |
| freq | string | – | Payment frequency |
| price | number | – | Home price |
| rate | number | – | Interest rate (fixed) (%) Compounded semi-annually, as Canadian law requires for fixed rates. |
| years | string | – | Amortization |
No output schema declared.
No examples provided.
capital_gains_tax_calculator Capital Gains Tax Calculator ~146
2026 US federal tax on a stock, crypto or property sale: long-term 0%, 15% or 20% versus short-term ordinary rates, plus the 3.8% NIIT where it applies. Web page: https://calcbright.com/capital-gains-tax-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| filing | string | – | Filing status |
| holding | string | – | Holding period |
| income | number | – | Other annual income Wages and other ordinary income for the year, before the standard deduction. |
| purchase | number | – | Purchase price (cost basis) Include buying commissions and improvements. |
| sale | number | – | Sale price After selling costs. |
No output schema declared.
No examples provided.
car_lease_calculator Car Lease Calculator ~195
Car lease payment from price, MSRP, residual, money factor or APR, term and sales tax – split into depreciation, finance charge and tax to check a dealer quote. Web page: https://calcbright.com/car-lease-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| apr | number | – | APR (%) |
| currency | string | – | Currency |
| down | number | – | Down payment & trade-in Capitalised cost reduction |
| mf | number | – | Money factor APR ≈ money factor × 2,400 |
| msrp | number | – | MSRP (sticker price) |
| price | number | – | Negotiated price Gross capitalised cost |
| rateType | string | – | Interest given as |
| residualPct | number | – | Residual value (% of MSRP) |
| tax | number | – | Sales tax (%) Applied to the monthly payment, as in most US states |
| term | number | – | Lease term (months) |
No output schema declared.
No examples provided.
case_converter Case Converter ~77
Switch text to UPPER, lower, Title or Sentence case, or to camelCase, snake_case and kebab-case for code. It all runs in your browser; nothing is uploaded. Web page: https://calcbright.com/case-converter
| Name | Type | Req | Description |
|---|---|---|---|
| mode | string | – | Convert to |
| text | string | – | Your text |
No output schema declared.
No examples provided.
cd_calculator CD Calculator ~115
A CD calculator for interest earned by maturity, with APY to APR conversion for any compounding – the same maths for Canadian GICs, UK bonds and GCC deposits. Web page: https://calcbright.com/cd-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| compounding | string | – | Compounding |
| currency | string | – | Currency |
| deposit | number | – | Deposit amount |
| rate | number | – | Interest rate (%) |
| rateType | string | – | Rate quoted as |
| term | number | – | Term (months) |
No output schema declared.
No examples provided.
circle_calculator Circle Calculator ~84
Know a circle’s radius, diameter, circumference or area? Enter any one to get the other three, with the formulas, the working and answers in terms of π. Web page: https://calcbright.com/circle-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| known | string | – | I know the |
| unit | string | – | Unit |
| value | number | – | Radius (r) |
No output schema declared.
No examples provided.
color_converter Color Converter ~92
Convert any color between HEX, RGB, HSL, HSV and CMYK, preview the swatch, check WCAG 2 contrast on white and black, and get a palette of tints and shades. Web page: https://calcbright.com/color-converter
| Name | Type | Req | Description |
|---|---|---|---|
| color | string | – | Colour Paste HEX, RGB, HSL, HSV, CMYK or a basic colour name such as “teal”. |
No output schema declared.
No examples provided.
commission_calculator Commission Calculator ~99
Sales commission from the sale amount and rate, plus base salary for total pay – and a table comparing earnings at other rates. Works tier by tier too. Web page: https://calcbright.com/commission-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| base | number | – | Base salary (optional) For the same period as the sales |
| currency | string | – | Currency |
| rate | number | – | Commission rate (%) |
| sales | number | – | Sale amount |
No output schema declared.
No examples provided.
compound_interest_calculator Compound Interest Calculator ~120
$10,000 at 7% compounded monthly grows to about $40,387 in 20 years. Add monthly contributions and compare daily, monthly or yearly compounding, year by year. Web page: https://calcbright.com/compound-interest-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| compounding | string | – | Compounding |
| currency | string | – | Currency |
| initial | number | – | Initial deposit |
| monthly | number | – | Monthly contribution |
| rate | number | – | Annual interest rate (%) |
| years | number | – | Years (years) |
No output schema declared.
No examples provided.
concrete_calculator Concrete Calculator ~161
Concrete for slabs, wall footings and post holes in cubic yards and cubic meters, plus how many 40, 60 or 80 lb or 25 kg premix bags to buy for the job. Web page: https://calcbright.com/concrete-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| depth | number | – | Thickness (in) |
| diameter | number | – | Diameter (in) |
| height | number | – | Height / depth (ft) |
| length | number | – | Length (ft) |
| qty | number | – | Quantity |
| shape | string | – | Shape |
| unit | string | – | Units |
| waste | number | – | Extra for waste / spillage (%) Many contractors add 5–10%. |
| width | number | – | Width (ft) |
No output schema declared.
No examples provided.
confidence_interval_calculator Confidence Interval Calculator ~129
Confidence intervals for a mean (t or z) or a proportion (Wald and Wilson) at 80–99.9% confidence – margin of error, critical value and every step shown. Web page: https://calcbright.com/confidence-interval-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| conf | string | – | Confidence level |
| mean | number | – | Sample mean (x̄) |
| n | number | – | Sample size (n) |
| sd | number | – | Sample SD (s) |
| type | string | – | Interval for |
| x | number | – | Successes (x) |
No output schema declared.
No examples provided.
cooking_converter Cooking Converter ~91
Cups, tablespoons and teaspoons to grams or ounces by each ingredient’s density – a cup of flour is 125 g, a cup of sugar 200 g. US cups, with charts. Web page: https://calcbright.com/cooking-converter
| Name | Type | Req | Description |
|---|---|---|---|
| amount | number | – | Amount |
| from | string | – | From |
| ingredient | string | – | Ingredient |
| to | string | – | To |
No output schema declared.
No examples provided.
countdown_calculator Countdown Calculator ~111
How many days until Christmas, New Year or your own date? See the days, weeks, months and hours left – or the days since a date that has already passed. Web page: https://calcbright.com/countdown-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| from | string | – | Count from Leave empty to count from today. (YYYY-MM-DD) |
| label | string | – | Event name (optional) |
| preset | string | – | Count down to |
| target | string | – | Target date (YYYY-MM-DD) |
No output schema declared.
No examples provided.
credit_card_payoff_calculator Credit Card Payoff ~134
Credit card payoff calculator: $5,000 at 22% APR, paying $200 a month, takes 34 months and $1,749.90 of interest. See your date, or the payment you need. Web page: https://calcbright.com/credit-card-payoff-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| apr | number | – | Interest rate (APR) (%) |
| balance | number | – | Card balance |
| currency | string | – | Currency |
| mode | string | – | I want to |
| months | number | – | Pay off in (months) |
| payment | number | – | Monthly payment |
No output schema declared.
No examples provided.
currency_converter Currency Converter ~81
Convert USD, EUR, GBP, INR, PKR, AED and 30+ other currencies at mid-market rates refreshed several times a day, with quick tables for common amounts. Web page: https://calcbright.com/currency-converter
| Name | Type | Req | Description |
|---|---|---|---|
| amount | number | – | Amount |
| from | string | – | From |
| to | string | – | To |
No output schema declared.
No examples provided.
date_calculator Date Calculator ~116
Add or subtract days, weeks, months or years from any date to get the exact date and weekday – like 90 days from today. Leap years and month ends handled. Web page: https://calcbright.com/date-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| days | number | – | Days |
| months | number | – | Months |
| op | string | – | Operation |
| start | string | – | Start date Leave empty to start from today. (YYYY-MM-DD) |
| weeks | number | – | Weeks |
| years | number | – | Years |
No output schema declared.
No examples provided.
date_difference_calculator Date Difference Calculator ~100
Days between two dates, also shown in weeks, months and years, with weekday and weekend counts. Choose whether to include the end date for event lengths. Web page: https://calcbright.com/date-difference-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| end | string | – | End date Leave empty to use today's date. (YYYY-MM-DD) |
| includeEnd | string | – | Include the end date? |
| start | string | – | Start date (YYYY-MM-DD) |
No output schema declared.
No examples provided.
day_of_week_calculator Day of the Week Calculator ~82
What day of the week was it? Get the weekday for any date from 1000 to 9999 – birthdays, historic events, future plans – with Zeller’s working shown. Web page: https://calcbright.com/day-of-week-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| date | string | – | Date Leave empty to use today's date. (YYYY-MM-DD) |
No output schema declared.
No examples provided.
debt_payoff_calculator Debt Payoff Calculator ~131
A debt payoff calculator that runs the snowball and avalanche across all your debts: debt-free date, total interest and the order each balance is cleared. Web page: https://calcbright.com/debt-payoff-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| budget | number | – | Total monthly budget for debts Everything you can pay each month, including the minimums. |
| currency | string | – | Currency |
| debts | string | – | Your debts – one per line: name, balance, APR, minimum payment Example: Car loan, 12000, 6.5, 280 – write amounts without thousands separators. |
No output schema declared.
No examples provided.
debt_to_income_calculator Debt-to-Income Calculator ~148
A debt to income ratio calculator that adds your monthly debts, finds your DTI and 28% housing ratio, and checks them against the 36% and 43% lender limits. Web page: https://calcbright.com/debt-to-income-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| auto | number | – | Car loan payments |
| cards | number | – | Credit card minimums |
| currency | string | – | Currency |
| housing | number | – | Rent or mortgage payment |
| income | number | – | Gross monthly income Before tax and deductions. |
| other | number | – | Other debt payments Personal loans, child support, alimony, etc. |
| student | number | – | Student loan payments |
No output schema declared.
No examples provided.
depreciation_calculator Depreciation Calculator ~141
Depreciation calculator: yearly schedules and book value for straight-line, double-declining balance, sum-of-the-years’ digits and units of production. Web page: https://calcbright.com/depreciation-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| cost | number | – | Asset cost |
| currency | string | – | Currency |
| life | number | – | Useful life (years) |
| method | string | – | Method |
| salvage | number | – | Salvage (residual) value |
| totalUnits | number | – | Total lifetime units Machine hours, miles, items produced… |
| units | string | – | Units used each year One number per year, separated by commas. |
No output schema declared.
No examples provided.
discount_calculator Discount Calculator ~113
Sale price and savings for any percent off, plus the true total when discounts stack: 25% off and then an extra 10% off is 32.5% in total, not 35%. Web page: https://calcbright.com/discount-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| currency | string | – | Currency |
| discount | number | – | Discount (% off) |
| extra | number | – | Extra discount (optional) (% off) Applied to the already-reduced price |
| price | number | – | Original price |
No output schema declared.
No examples provided.
dividend_yield_calculator Dividend Yield Calculator ~115
A $50 stock paying $0.50 a quarter yields 4%. Get the dividend yield for monthly, quarterly or annual payers, plus the cash income your shares produce. Web page: https://calcbright.com/dividend-yield-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| currency | string | – | Currency |
| dividend | number | – | Dividend per share, per payment |
| frequency | string | – | Paid |
| price | number | – | Share price |
| shares | number | – | Number of shares (optional) (shares) |
No output schema declared.
No examples provided.
dld_fee_calculator DLD Fee Calculator ~175
Budget 6–7% on top of a Dubai property price. Itemises the 4% DLD fee, title deed, trustee office, mortgage registration and 2% agent commission plus VAT. Web page: https://calcbright.com/dld-fee-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| agentPct | number | – | Agent commission (%) Usually 2% of the price, plus 5% VAT. |
| loan | number | – | Mortgage amount |
| noc | number | – | Developer NOC fee (if you pay it) Developers charge about AED 500–5,000 + VAT for the No Objection Certificate; the seller normally pays it. |
| price | number | – | Property price |
| purchase | string | – | Buying with |
| split | string | – | Who pays the 4% DLD fee? |
No output schema declared.
No examples provided.
down_payment_calculator Down Payment Calculator ~96
Down payment, loan amount and LTV for any home price, with 3%, 5%, 10% and 20% down side by side – and a flag for when PMI applies below 20% equity. Web page: https://calcbright.com/down-payment-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| currency | string | – | Currency |
| downPct | number | – | Down payment (%) |
| price | number | – | Home price |
No output schema declared.
No examples provided.
dubai_mortgage_calculator Dubai Mortgage Calculator ~195
Expats need 20% down on a first Dubai home under AED 5M. This Dubai mortgage calculator applies the CBUAE LTV caps, then adds DLD, agent and bank fees. Web page: https://calcbright.com/dubai-mortgage-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| agentPct | number | – | Agent commission (%) Plus 5% VAT. |
| arrangePct | number | – | Bank arrangement fee (% of loan) Usually up to 1% of the loan; 5% VAT is added. |
| buyer | string | – | Buyer |
| downPct | number | – | Down payment (%) |
| home | string | – | Property |
| price | number | – | Property price |
| rate | number | – | Interest rate (%) |
| valuation | number | – | Valuation fee |
| years | number | – | Loan term (years) Maximum 25 years (UAE Central Bank). |
No output schema declared.
No examples provided.
egypt_end_of_service_calculator Egypt End of Service Calculator ~211
Egypt’s 2025 Labour Law: at least 2 months’ wage per year for an unjustified dismissal, plus 3 months’ notice pay. See what your employer and NOSI owe you. Web page: https://calcbright.com/egypt-end-of-service-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| end | string | – | End date Leave empty to use today's date. (YYYY-MM-DD) |
| insured | number | – | Monthly insurable wage (optional) The wage your social insurance is paid on. Leave empty to use your wage within the 2026 limits (EGP 2,700–16,700). |
| notice | number | – | Notice given by the employer (months) Months of written notice you received (the law requires 3 months). |
| reason | string | – | How did the job end? |
| start | string | – | Start date (YYYY-MM-DD) |
| wage | number | – | Last monthly wage Full monthly wage – basic pay plus regular allowances and fixed bonuses. |
No output schema declared.
No examples provided.
egypt_social_insurance_calculator Egypt Social Insurance Calculator ~113
Egyptian employees pay 11% social insurance and employers 18.75%, on an insurable wage between EGP 2,700 and EGP 16,700 in 2026. Split by branch. Web page: https://calcbright.com/egypt-social-insurance-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| wage | number | – | Monthly insurable wage The wage you are registered on with social insurance. 2026 limits: EGP 2,700 minimum, EGP 16,700 maximum. |
No output schema declared.
No examples provided.
electricity_cost_calculator Electricity Cost Calculator ~150
A 100 W TV on 5 hours a day costs about $2.55 a month at 17¢/kWh. Turn any appliance’s watts and hours of use into kWh and running cost by day, month and year. Web page: https://calcbright.com/electricity-cost-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| currency | string | – | Currency |
| days | number | – | Days used per month (days) |
| hours | number | – | Hours used per day (h) |
| preset | string | – | Appliance |
| price | number | – | Electricity price (per kWh) |
| watts | number | – | Power rating (W) Check the label on the appliance or its charger. |
No output schema declared.
No examples provided.
exponent_calculator Exponent Calculator ~114
Exponent calculator for 8^(2/3), 2⁻³ or 2^100: handles negative, decimal and fractional powers and nth roots, with exact big integers and the rule used. Web page: https://calcbright.com/exponent-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| base | number | – | Base |
| exp | string | – | Exponent Whole numbers, decimals, negatives and fractions like 2/3 all work. |
| mode | string | – | Calculate |
| n | number | – | Root (n) |
No output schema declared.
No examples provided.
fd_calculator FD Calculator ~110
FD calculator using the quarterly compounding Indian banks apply to cumulative deposits: ₹1 lakh at 7% for 5 years grows to ₹1,41,477.82 at maturity. Web page: https://calcbright.com/fd-calculator
| Name | Type | Req | Description |
|---|---|---|---|
| compounding | string | – | Interest compounded |
| currency | string | – | Currency |
| principal | number | – | Deposit amount |
| rate | number | – | Interest rate (% p.a.) |
| years | number | – | Tenure (years) |
No output schema declared.
No examples provided.
How do I install the CalcBright Calculators MCP server?
CalcBright Calculators is a hosted endpoint at https://calcbright.com/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
remote · calcbright.com
claude mcp add --transport http com-calcbright-calcbright 'https://calcbright.com/mcp'
What is the CalcBright Calculators MCP server?
CalcBright Calculators is an MCP server listed in the public MCP registry as com.calcbright/calcbright. 160+ calculators: take-home pay for 166 countries, mortgage, loan, VAT, BMI, dates, units, currency. This page covers its hosted endpoint (https://calcbright.com/mcp).
Is the CalcBright Calculators MCP server safe to use?
CalcBright Calculators scores 64 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the CalcBright Calculators MCP server expose?
CalcBright Calculators exposes 167 tools: mortgage_calculator, loan_calculator, compound_interest_calculator, salary_calculator, percentage_calculator, and 162 more. Their descriptions and schemas cost roughly 22,761 tokens of context every time the server is loaded.
Does the CalcBright Calculators MCP server require authentication?
No. We connected to CalcBright Calculators without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the CalcBright Calculators MCP server still maintained?
CalcBright Calculators is still listed as active in the MCP registry. We last reached this channel on 18 October 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.