SmartTools MCP server

• age_calculatorFree

  Exact age in years, months and days between a birth date and a reference date (default: today). Runs on smart-tools.xyz.

• angle_converterFree

  Convert a value between angle units. Units: ° (Degree), rad (Radian), grad (Gradian), mrad (Milliradian), rev (Turn), ′ (Arcminute), ″ (Arcsecond). Calculation runs on smart-tools.xyz.

• area_converterFree

  Convert 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.

• aspect_ratio_calculatorFree

  Simplify a width×height ratio and scale to a new width or height. Runs on smart-tools.xyz.

• base64Free

  Encode text to Base64 or decode Base64 back to text, UTF-8 safe, with an optional URL-safe alphabet. Runs on smart-tools.xyz.

• bmi_calculatorFree

  Body Mass Index and category. system=metric: weight_kg, height_cm. system=imperial: weight_lb, height_ft (+height_in). Runs on smart-tools.xyz.

• bmr_calculatorFree

  Basal metabolic rate (Mifflin–St Jeor) and daily calories (TDEE = BMR × activity). Runs on smart-tools.xyz.

• body_fat_calculatorFree

  Body fat percentage by the US Navy (Hodgdon–Beckett) method, metric measurements in cm. Females require hip_cm. Runs on smart-tools.xyz.

• case_converterFree

  Convert text to UPPER, lower, Title, Sentence, camelCase, PascalCase, snake_case, kebab-case or CONSTANT_CASE. Runs on smart-tools.xyz.

• color_converterFree

  Convert a color between HEX, RGB and HSL. Accepts #hex, rgb()/rgba(), hsl()/hsla(). Runs on smart-tools.xyz.

• compound_interest_calculatorFree

  Future balance and interest earned: A = P(1 + r/n)^(nt). Runs on smart-tools.xyz.

• cron_parserFree

  Parse a 5-field cron expression (minute hour day-of-month month day-of-week) into a plain-English description. Runs on smart-tools.xyz.

• csv_to_jsonFree

  Parse 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.

• csv_to_sqlFree

  Turn CSV/TSV rows into SQL INSERT statements with standard double-quoted identifiers and escaped values. Runs on smart-tools.xyz.

• data_converterFree

  Convert 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.

• date_difference_calculatorFree

  Difference between two dates: calendar years/months/days, total days, weeks and weekday count. Runs on smart-tools.xyz.

• discount_calculatorFree

  Final price after one or two successive discounts, plus amount saved. Runs on smart-tools.xyz.

• due_date_calculatorFree

  Estimated due date by Naegele's rule (+280 days from last period, adjusted for cycle length). Runs on smart-tools.xyz.

• electricity_cost_calculatorFree

  Running cost of an appliance per day, month and year from its wattage. Runs on smart-tools.xyz.

• energy_converterFree

  Convert 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.

• file_hashFree

  Compute a SHA-1/256/384/512 hex checksum of provided text or base64 bytes. Runs on smart-tools.xyz.

• fraction_calculatorFree

  Exact arithmetic on two fractions (a/b op c/d), reduced to lowest terms. op is one of + - * /. Runs on smart-tools.xyz.

• fuel_cost_calculatorFree

  Fuel needed and trip cost. system=metric: distance km, consumption L/100km. system=imperial: distance miles, consumption mpg. Runs on smart-tools.xyz.

• gitignore_generatorFree

  Build a .gitignore from curated templates for Node, Python, Go, Rust, macOS, VS Code and more. Runs on smart-tools.xyz.

• gpa_calculatorFree

  Weighted grade point average from letter grades (US 4.0 scale, +/-) or numeric grade points and credit hours. Runs on smart-tools.xyz.

• gradient_generatorFree

  Build a CSS linear or radial gradient background declaration from two or more colors. Runs on smart-tools.xyz.

• hash_generatorFree

  Hash 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.

• height_converterFree

  Convert 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.

• hours_calculatorFree

  Time worked between two clock times (handles overnight), minus a break, with optional pay. Times as HH:MM. Runs on smart-tools.xyz.

• htaccess_generatorFree

  Generate Apache .htaccess rules: force HTTPS, www redirect, caching, gzip, hotlink protection and more. Runs on smart-tools.xyz.

• html_entitiesFree

  Escape the five special HTML characters (optionally all non-ASCII) or decode named and numeric HTML entities back to text. Runs on smart-tools.xyz.

• ideal_weight_calculatorFree

  Healthy weight range (BMI 18.5–24.9) plus Devine, Robinson, Miller and Hamwi formula estimates, from height in cm. Runs on smart-tools.xyz.

• json_formatterFree

  Validate and pretty-print or minify JSON, reporting the line and column on a parse error. Runs on smart-tools.xyz.

• jwt_decoderFree

  Decode a JSON Web Token's header and payload (base64url). Does NOT verify the signature — that needs the secret/key. Runs on smart-tools.xyz.

• layout_fixerFree

  Fix text typed in the wrong keyboard layout between English QWERTY and Ukrainian ЙЦУКЕН. Runs on smart-tools.xyz.

• length_converterFree

  Convert 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.

• loan_calculatorFree

  Monthly payment, total repayment and interest for an amortising loan (annuity formula). Runs on smart-tools.xyz.

• lorem_ipsumFree

  Generate placeholder lorem ipsum text by paragraphs, sentences or words. Runs on smart-tools.xyz.

• margin_calculatorFree

  Profit, margin (share of price) and markup (share of cost) from cost and selling price. Runs on smart-tools.xyz.

• markdown_tableFree

  Build a padded GitHub-flavored Markdown table from CSV/TSV text (first row is the header). Runs on smart-tools.xyz.

• meta_tag_generatorFree

  Generate SEO, Open Graph and Twitter Card HTML meta tags for a page. Runs on smart-tools.xyz.

• mortgage_calculatorFree

  Monthly mortgage payment including optional down payment, property tax and insurance (PITI). Runs on smart-tools.xyz.

• number_baseFree

  Convert an integer between bases 2–36 (binary, octal, decimal, hex and more), exact for 64-bit values via BigInt. Runs on smart-tools.xyz.

• pace_calculatorFree

  Running pace per km and per mile, plus speed, from distance and time. Runs on smart-tools.xyz.

• password_generatorFree

  Generate a cryptographically strong random password with configurable length and character sets. Runs on smart-tools.xyz.

• percentage_calculatorFree

  Percentage 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.

• pressure_converterFree

  Convert 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.

• random_number_generatorFree

  Generate cryptographically random integers in a range, optionally unique and sorted. Runs on smart-tools.xyz.

• regex_testerFree

  Test a JavaScript regular expression against text and return every match with its captured groups. Runs on smart-tools.xyz.

• remove_duplicateswrite actionFree

  Remove duplicate lines, with optional trim, case-insensitive matching, sorting or keeping only the duplicated lines. Runs on smart-tools.xyz.

• robots_txt_generatorFree

  Build a robots.txt: allow or block all, custom disallow paths, AI-crawler blocking, crawl-delay and sitemap. Runs on smart-tools.xyz.

• salary_calculatorFree

  Convert pay between hourly, daily, weekly, biweekly, monthly and annual. Runs on smart-tools.xyz.

• scientific_calculatorFree

  Evaluate 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.

• slug_generatorFree

  Turn text (incl. Ukrainian and accented Latin) into a clean URL slug; each non-empty line becomes its own slug. Runs on smart-tools.xyz.

• speed_converterFree

  Convert 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.

• standard_deviation_calculatorFree

  Mean, variance and standard deviation (both sample and population) of a list of numbers. Runs on smart-tools.xyz.

• subnet_calculatorFree

  IPv4 subnet details: network, broadcast, mask, wildcard, host range and count for an IP and prefix. Runs on smart-tools.xyz.

• table_to_csvFree

  Convert a pasted HTML <table> or delimited (tab/semicolon/comma) table into clean CSV. Runs on smart-tools.xyz.

• temperature_converterFree

  Convert a value between temperature units. Units: °C (Celsius), °F (Fahrenheit), K (Kelvin), °R (Rankine). Calculation runs on smart-tools.xyz.

• text_counterFree

  Count characters (with and without spaces), words, lines, paragraphs and estimated reading time. Runs on smart-tools.xyz.

• text_diffFree

  Line-level diff of two texts (LCS): counts of added/removed lines plus a marked-up line list. Runs on smart-tools.xyz.

• time_converterFree

  Convert 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.

• timestamp_converterFree

  Convert between a Unix timestamp and an ISO 8601 date (UTC). direction=to_date: epoch → date; to_timestamp: date → epoch. Runs on smart-tools.xyz.

• tip_calculatorFree

  Tip amount, total and per-person split for a bill. Runs on smart-tools.xyz.

• transliterationFree

  Transliterate Ukrainian Cyrillic to Latin by the official KMU #55 passport standard. Runs on smart-tools.xyz.

• triangle_calculatorFree

  Solve 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.

• unit_price_calculatorFree

  Compare price per unit of two packs and report which is cheaper. Runs on smart-tools.xyz.

• url_encoderFree

  Percent-encode or decode a URL. mode=component escapes /?&= (for a value); mode=full keeps them (for a whole address). Runs on smart-tools.xyz.

• utm_builderFree

  Append encoded UTM campaign parameters to a URL, preserving any existing query and fragment. Runs on smart-tools.xyz.

• uuid_generatorFree

  Generate one or more random version 4 (RFC 4122) UUIDs. Runs on smart-tools.xyz.

• vat_calculatorFree

  Add VAT to a net amount or remove it from a gross amount. Runs on smart-tools.xyz.

• volume_converterFree

  Convert 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.

• wcag_contrast_checkerFree

  Compute 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.

• weight_converterFree

  Convert 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.

• –Code scanremote-only server, no package to scann/a
• Live reliabilityremote reachable in 432ms20/20
• Tool poisoning74 tool descriptions checked15/15
• Auth qualityopen endpoint exposes 1 write-action tools with no auth3/15
• Maintenanceno repository listed3/15
• Maintainer identityno repository or website to verify2/10

SmartTools: common questions

Is SmartTools MCP server safe?

With care: it is graded C, so read the findings first (57/100). Read the SmartTools safety report

How do I install SmartTools?

It runs remotely at smart-tools.xyz. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.

Does SmartTools need an API key?

Not as far as the registry entry and our scan can tell: no credentials are declared or required.

Is SmartTools maintained?

The latest release is v1.0.0.

Is SmartTools up?

100% of our last 20 checks got an answer. We check remote servers about four times a day.