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SmartTools

io.github.9thShini/smart-toolsVersion 1.0.0

70+ free calculators & converters as MCP tools; each result links to its source page.

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Last checked
Nov 14, 2026, 14:34 UTC
Latency
148 ms
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Hosted outside the EU (detected)
Registry data as of
Nov 14, 2026, 21:12 UTC

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Connect

Streamable HTTP
https://smart-tools.xyz/mcpResponds148 ms
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Claude Code

claude mcp add --transport http smart-tools https://smart-tools.xyz/mcp

Claude Desktop and claude.ai

Settings > Connectors > Add custom connector
Name: smart-tools
Remote MCP server URL: https://smart-tools.xyz/mcp

Cursor

{
  "mcpServers": {
    "smart-tools": {
      "url": "https://smart-tools.xyz/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"smart-tools","type":"http","url":"https://smart-tools.xyz/mcp"}'

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Tools

74 tools

Tools of SmartTools
Read-only
Idempotent
Open world
age_calculatorExact age in years, months and days between a birth date and a reference date (default: today). Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
angle_converterConvert a value between angle units. Units: ° (Degree), rad (Radian), grad (Gradian), mrad (Milliradian), rev (Turn), ′ (Arcminute), ″ (Arcsecond). Calculation runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
area_converterConvert a value between area units. Units: km² (Square kilometer), m² (Square meter), cm² (Square centimeter), mm² (Square millimeter), ha (Hectare), ac (Acre), mi² (Square mile), ft² (Square foot), yd² (Square yard), in² (Square inch). Calculation runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
aspect_ratio_calculatorSimplify a width×height ratio and scale to a new width or height. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
base64Encode text to Base64 or decode Base64 back to text, UTF-8 safe, with an optional URL-safe alphabet. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
bmi_calculatorBody Mass Index and category. system=metric: weight_kg, height_cm. system=imperial: weight_lb, height_ft (+height_in). Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
bmr_calculatorBasal metabolic rate (Mifflin–St Jeor) and daily calories (TDEE = BMR × activity). Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
body_fat_calculatorBody fat percentage by the US Navy (Hodgdon–Beckett) method, metric measurements in cm. Females require hip_cm. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
case_converterConvert text to UPPER, lower, Title, Sentence, camelCase, PascalCase, snake_case, kebab-case or CONSTANT_CASE. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
color_converterConvert a color between HEX, RGB and HSL. Accepts #hex, rgb()/rgba(), hsl()/hsla(). Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
compound_interest_calculatorFuture balance and interest earned: A = P(1 + r/n)^(nt). Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
cron_parserParse a 5-field cron expression (minute hour day-of-month month day-of-week) into a plain-English description. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
csv_to_jsonParse CSV/TSV text (auto-detecting tab, semicolon or comma delimiter) with a header row into an array of JSON objects. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
csv_to_sqlTurn CSV/TSV rows into SQL INSERT statements with standard double-quoted identifiers and escaped values. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
data_converterConvert a value between data units. Units: bit (Bit), B (Byte), kB (Kilobyte), MB (Megabyte), GB (Gigabyte), TB (Terabyte), KiB (Kibibyte), MiB (Mebibyte), GiB (Gibibyte), TiB (Tebibyte). Calculation runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
date_difference_calculatorDifference between two dates: calendar years/months/days, total days, weeks and weekday count. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
discount_calculatorFinal price after one or two successive discounts, plus amount saved. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
due_date_calculatorEstimated due date by Naegele's rule (+280 days from last period, adjusted for cycle length). Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
electricity_cost_calculatorRunning cost of an appliance per day, month and year from its wattage. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
energy_converterConvert a value between energy units. Units: J (Joule), kJ (Kilojoule), cal (Calorie), kcal (Kilocalorie), Wh (Watt-hour), kWh (Kilowatt-hour), BTU (British thermal unit), ft·lb (Foot-pound), eV (Electronvolt). Calculation runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
file_hashCompute a SHA-1/256/384/512 hex checksum of provided text or base64 bytes. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
fraction_calculatorExact arithmetic on two fractions (a/b op c/d), reduced to lowest terms. op is one of + - * /. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
fuel_cost_calculatorFuel needed and trip cost. system=metric: distance km, consumption L/100km. system=imperial: distance miles, consumption mpg. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
gitignore_generatorBuild a .gitignore from curated templates for Node, Python, Go, Rust, macOS, VS Code and more. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
gpa_calculatorWeighted grade point average from letter grades (US 4.0 scale, +/-) or numeric grade points and credit hours. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
gradient_generatorBuild a CSS linear or radial gradient background declaration from two or more colors. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
hash_generatorHash text with SHA-1, SHA-256, SHA-384 or SHA-512 (hex, over UTF-8 bytes). MD5 is not supported. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
height_converterConvert a height between centimetres and feet/inches. Give cm, or feet (with optional inches). One inch = 2.54 cm exactly. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
hours_calculatorTime worked between two clock times (handles overnight), minus a break, with optional pay. Times as HH:MM. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
htaccess_generatorGenerate Apache .htaccess rules: force HTTPS, www redirect, caching, gzip, hotlink protection and more. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
html_entitiesEscape the five special HTML characters (optionally all non-ASCII) or decode named and numeric HTML entities back to text. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
ideal_weight_calculatorHealthy weight range (BMI 18.5–24.9) plus Devine, Robinson, Miller and Hamwi formula estimates, from height in cm. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
json_formatterValidate and pretty-print or minify JSON, reporting the line and column on a parse error. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
jwt_decoderDecode a JSON Web Token's header and payload (base64url). Does NOT verify the signature — that needs the secret/key. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
layout_fixerFix text typed in the wrong keyboard layout between English QWERTY and Ukrainian ЙЦУКЕН. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
length_converterConvert a value between length units. Units: km (Kilometer), m (Meter), cm (Centimeter), mm (Millimeter), µm (Micrometer), mi (Mile), yd (Yard), ft (Foot), in (Inch), nmi (Nautical mile). Calculation runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
loan_calculatorMonthly payment, total repayment and interest for an amortising loan (annuity formula). Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
lorem_ipsumGenerate placeholder lorem ipsum text by paragraphs, sentences or words. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
margin_calculatorProfit, margin (share of price) and markup (share of cost) from cost and selling price. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
markdown_tableBuild a padded GitHub-flavored Markdown table from CSV/TSV text (first row is the header). Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
meta_tag_generatorGenerate SEO, Open Graph and Twitter Card HTML meta tags for a page. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
mortgage_calculatorMonthly mortgage payment including optional down payment, property tax and insurance (PITI). Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
number_baseConvert an integer between bases 2–36 (binary, octal, decimal, hex and more), exact for 64-bit values via BigInt. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
pace_calculatorRunning pace per km and per mile, plus speed, from distance and time. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
password_generatorGenerate a cryptographically strong random password with configurable length and character sets. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
percentage_calculatorPercentage operations. operation=percent_of: a% of b. operation=is_what_percent: a is what % of b. operation=change: percent change from a to b. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
pressure_converterConvert a value between pressure units. Units: Pa (Pascal), kPa (Kilopascal), hPa (Hectopascal), bar (Bar), atm (Atmosphere), psi (Pound per sq inch), mmHg (Millimeter of mercury), inHg (Inch of mercury). Calculation runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
random_number_generatorGenerate cryptographically random integers in a range, optionally unique and sorted. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
regex_testerTest a JavaScript regular expression against text and return every match with its captured groups. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
remove_duplicatesRemove duplicate lines, with optional trim, case-insensitive matching, sorting or keeping only the duplicated lines. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
robots_txt_generatorBuild a robots.txt: allow or block all, custom disallow paths, AI-crawler blocking, crawl-delay and sitemap. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
salary_calculatorConvert pay between hourly, daily, weekly, biweekly, monthly and annual. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
scientific_calculatorEvaluate a math expression with correct order of operations: + - * / % ^, parentheses, and functions (sqrt, sin, cos, tan, ln, log, exp, min, max, factorial via !). Constants pi, e. Angles in radians. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
slug_generatorTurn text (incl. Ukrainian and accented Latin) into a clean URL slug; each non-empty line becomes its own slug. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
speed_converterConvert a value between speed units. Units: m/s (Meter per second), km/h (Kilometer per hour), mph (Mile per hour), ft/s (Foot per second), kn (Knot). Calculation runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
standard_deviation_calculatorMean, variance and standard deviation (both sample and population) of a list of numbers. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
subnet_calculatorIPv4 subnet details: network, broadcast, mask, wildcard, host range and count for an IP and prefix. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
table_to_csvConvert a pasted HTML <table> or delimited (tab/semicolon/comma) table into clean CSV. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
temperature_converterConvert a value between temperature units. Units: °C (Celsius), °F (Fahrenheit), K (Kelvin), °R (Rankine). Calculation runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
text_counterCount characters (with and without spaces), words, lines, paragraphs and estimated reading time. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
text_diffLine-level diff of two texts (LCS): counts of added/removed lines plus a marked-up line list. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
time_converterConvert a value between time units. Units: µs (Microsecond), ms (Millisecond), s (Second), min (Minute), h (Hour), d (Day), wk (Week), mo (Month), yr (Year). Calculation runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
timestamp_converterConvert between a Unix timestamp and an ISO 8601 date (UTC). direction=to_date: epoch → date; to_timestamp: date → epoch. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
tip_calculatorTip amount, total and per-person split for a bill. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
transliterationTransliterate Ukrainian Cyrillic to Latin by the official KMU #55 passport standard. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
triangle_calculatorSolve a triangle. mode=sss: three sides a,b,c. mode=sas: two sides a,b and the included angle angle_c (degrees). Returns sides, angles (degrees), area and perimeter. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
unit_price_calculatorCompare price per unit of two packs and report which is cheaper. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
url_encoderPercent-encode or decode a URL. mode=component escapes /?&= (for a value); mode=full keeps them (for a whole address). Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
utm_builderAppend encoded UTM campaign parameters to a URL, preserving any existing query and fragment. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
uuid_generatorGenerate one or more random version 4 (RFC 4122) UUIDs. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
vat_calculatorAdd VAT to a net amount or remove it from a gross amount. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
volume_converterConvert a value between volume units. Units: m³ (Cubic meter), L (Liter), mL (Milliliter), gal_us (US gallon), gal_uk (UK gallon), qt (US quart), pt_us (US pint), pt_uk (UK pint), cup (US cup), fl oz (US fluid ounce). Calculation runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
wcag_contrast_checkerCompute the WCAG 2.x contrast ratio between two hex colors and whether it passes AA/AAA for normal and large text. Runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared
weight_converterConvert a value between weight units. Units: t (Tonne), kg (Kilogram), g (Gram), mg (Milligram), lb (Pound), oz (Ounce), st (Stone). Calculation runs on smart-tools.xyz.Not declaredNot declaredNot declaredNot declared

Details

Registry status
Active
Published
Aug 15, 2026
Updated
Aug 15, 2026
Repository
Not given
Categories (suggested)
Developer toolsFinance and paymentsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR
Not declared

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