TT

TidyData Tools

io.github.tidydata-dev/tidydata

Holidays, business days, currency, time zones, DNS/WHOIS, web page checks, geodata and text tools.

Yes, your AI can use this right now.Answered a live MCP handshake in 372 ms with no sign-in needed and exposes 49 tools.

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URL: https://tidydata-api.tidydata.workers.dev/mcp

49 tools, verified live

Pulled straight from the server with tools/list on 2026-10-18.
public_holidaysread-only

Public holidays of a country. Holidays of a year. Public and bank holidays for 100+ countries and their states/regions, any year, localized names, plus 'is this date a holiday?' check. Data: date-holidays (CC BY 3.0).

is_public_holidayread-only

Is this date a public holiday? Is it a holiday? Public and bank holidays for 100+ countries and their states/regions, any year, localized names, plus 'is this date a holiday?' check. Data: date-holidays (CC BY 3.0).

business_days_betweenread-only

Business days between two dates. Business days between dates. Count working days between two dates and add/subtract business days, skipping weekends and the public holidays of 100+ countries and regions. Custom weekend days.

add_business_daysread-only

Add business days to a date. Add business days. Count working days between two dates and add/subtract business days, skipping weekends and the public holidays of 100+ countries and regions. Custom weekend days.

convert_currencyread-only

Convert currency (ECB rates). Convert amount. Daily euro foreign exchange reference rates for 30+ currencies, any base currency, conversion and history of the last 90 days. Source: ECB statistics.

exchange_ratesread-only

Latest exchange rates. Latest rates. Daily euro foreign exchange reference rates for 30+ currencies, any base currency, conversion and history of the last 90 days. Source: ECB statistics.

convert_time_zoneread-only

Time zone converter / world clock. Time in zones. Current time or any date in any IANA time zone, UTC offset, weekday and Unix time, and convert one moment to many time zones at once.

timezone_by_coordinatesread-only

Time zone of a latitude/longitude. Time zone for coordinates. Get the IANA time zone for any latitude/longitude, with the current local time, UTC offset, abbreviation and whether daylight saving time is active. Optionally pass a datetime to get the offset at that moment.

sunrise_sunsetread-only

Sunrise, sunset, twilight and golden hour. Sun times. Sunrise, sunset, solar noon, day length, civil/nautical/astronomical twilight and golden hour for any coordinates and date, plus moon phase, illumination, moonrise/moonset and next full and new moon. Times are returned in the local time zone, detected automatically from the coordinates.

moon_phaseread-only

Moon phase and illumination. Moon phase and times. Sunrise, sunset, solar noon, day length, civil/nautical/astronomical twilight and golden hour for any coordinates and date, plus moon phase, illumination, moonrise/moonset and next full and new moon. Times are returned in the local time zone, detected automatically from the coordinates.

convert_calendar_dateread-only

Convert a date to Islamic, Hebrew, Chinese… calendars. Gregorian date in all calendars. Convert dates between 13 calendars (Gregorian, Islamic Umm al-Qura and tabular, Hebrew, Persian, Chinese, Korean, Japanese, Buddhist, Indian, Coptic, Ethiopian, Minguo) and get the dates of Islamic, Jewish, Chinese and Persian holidays for any year 1900-2100.

dns_lookupread-only

DNS records of a domain. DNS records. Look up DNS records of any domain in one call: A, AAAA, MX, NS, TXT, CNAME, SOA, CAA, SRV. Also tells you if the domain has mail servers and its SPF record. Fast, uses public resolvers.

dns_propagationread-only

DNS propagation across global resolvers. Check propagation. Check if a DNS change has propagated: queries Cloudflare, Google, AdGuard, NextDNS, AliDNS and DNS.SB at once and reports agreement, consensus answer and response times.

domain_whoisread-only

Domain registration info (WHOIS/RDAP). Domain info. Is a domain registered? Who is the registrar, when was it created, when does it expire, how old is it, its status and nameservers. Uses the official RDAP registry data (the modern WHOIS). No personal contact data.

domain_availabilityread-only

Is a domain name available? Check availability. Check if domain names are available across many extensions in one call, using each registry's official RDAP data (with DNS fallback). Creation and expiry dates, registrar and .com name suggestions.

check_url_statusread-only

HTTP status and redirect chain of a URL. Check URL. HTTP status, full redirect chain (301/302/307/308), final URL, server and response time for any link. Detects loops. POST up to 20 URLs per call. Find broken links fast.

expand_short_urlread-only

Expand a shortened link. Expand short URL. Expand short links (bit.ly, t.co, tinyurl and any redirect) to their final destination, with every hop of the redirect chain. Check where a link really goes before clicking it.

link_previewread-only

Title, description and image of a web page. Link preview. Everything you need to build link previews: title, description, image, favicon, site name, language, canonical URL, author, publish time, Twitter card and optional JSON-LD. Fast HTML streaming parser.

website_technologiesread-only

Technologies used by a website. Detect technologies. Detect 130+ technologies a website uses: CMS (WordPress, Shopify, Wix, Webflow), frameworks (React, Next.js, Vue), analytics and pixels, chat, CDN and hosting. Great for lead generation and competitor research.

seo_auditread-only

On-page SEO audit of a URL. Audit page. On-page SEO audit of any URL in one call: score 0-100 and a clear list of issues (title, meta description, H1, canonical, noindex, alt texts, lang, viewport, Open Graph, thin content, speed, HTTPS).

security_headers_checkread-only

Security headers grade of a website. Check security headers. Check the HTTP security headers of any website (HSTS, CSP, X-Frame-Options, Referrer-Policy, Permissions-Policy..) with a score, a grade and fixes to apply.

extract_linksread-only

Links found on a web page. Extract links. Extract every link of a web page with anchor text, rel, nofollow flag and internal/external classification. Filter by type.

extract_html_tablesread-only

Tables of a web page as JSON. Extract tables. Turn the HTML tables of any web page into clean JSON (rows or objects with headers) or download a table as CSV.

sitemap_urlsread-only

URLs listed in a website's sitemap. Extract sitemap URLs. Get all URLs of a website from its sitemaps (found via robots.txt), following sitemap indexes and .gz files, with lastmod, priority and changefreq. Filter by text.

robots_txt_checkread-only

Is a URL allowed by robots.txt? Check URL. Check whether a URL may be crawled according to the site's robots.txt for any user agent, with the matching rule, sitemaps and crawl-delay.

ip_lookupread-only

Owner, network and country of an IP address. IP info. Who owns an IP address: network name, range, CIDR, organization, country and registration date from the Regional Internet Registries (RDAP). Without 'ip', returns the caller's IP, country, city and ASN.

validate_ibanread-only

Validate and parse an IBAN. Validate IBAN. Validate any IBAN (checksum, length, country format, national check digits) and split it into bank code, branch code and account number. Formatted and electronic forms, SEPA flag. Offline algorithm, no account lookups.

country_inforead-only

Country data (capital, currency, languages…). Country by code. All countries with ISO codes, names in any language, native name, capital, continent, calling codes, currencies, languages and emoji flag. Filter by continent, currency, language or search.

airport_inforead-only

Airport by IATA/ICAO code. Airport by code. Airport lookup by IATA or ICAO code, search by name or city, nearest airports to any coordinates and great-circle distance and flight time between two airports. 9,500 airports with coordinates, elevation, country, region and city.

airport_searchread-only

Search airports by name or city. Search airports. Airport lookup by IATA or ICAO code, search by name or city, nearest airports to any coordinates and great-circle distance and flight time between two airports. 9,500 airports with coordinates, elevation, country, region and city.

airport_distanceread-only

Distance between two airports. Distance between airports. Airport lookup by IATA or ICAO code, search by name or city, nearest airports to any coordinates and great-circle distance and flight time between two airports. 9,500 airports with coordinates, elevation, country, region and city.

city_searchread-only

Find a city (coordinates, population, country). Search places by name. Fast city-level geocoding for 171,000 places worldwide: reverse geocoding (coordinates to nearest town, region, country and time zone), place search by name and nearby places within a radius. No rate-limited upstream.

reverse_geocoderead-only

Nearest city to a latitude/longitude. Reverse geocode coordinates. Fast city-level geocoding for 171,000 places worldwide: reverse geocoding (coordinates to nearest town, region, country and time zone), place search by name and nearby places within a radius. No rate-limited upstream.

distance_between_placesread-only

Distance between two places or coordinates. Distance between two places. Distance between any two places: coordinates, cities ("Paris, FR") or airport codes (MAD, JFK). Ellipsoidal (Vincenty) km, miles and nautical miles, bearing, compass, midpoint, flight time estimate and distance matrices.

postal_code_lookupread-only

Place of a postal / ZIP code. Look up a postal code. Postal code lookup for 121 countries and 1.8 million codes: place name, region, province, coordinates; distance between two postal codes; and postal code validation. Accepts codes with or without spaces and dashes.

nutrition_searchread-only

Nutrition facts of foods (USDA). Search foods. Search 7,793 generic foods and get calories, protein, fat, carbohydrates, fiber, sugars, vitamins and minerals (36 nutrients) per 100 g or for any amount, with common portion sizes (cup, slice, piece). Calculate totals for a whole recipe or meal in one request.

nutrition_calculateread-only

Calories and macros of a list of ingredients. Recipe / meal totals. Search 7,793 generic foods and get calories, protein, fat, carbohydrates, fiber, sugars, vitamins and minerals (36 nutrients) per 100 g or for any amount, with common portion sizes (cup, slice, piece). Calculate totals for a whole recipe or meal in one request.

decode_vinread-only

Decode a vehicle VIN. Decode VIN. Decode any 17-character VIN: make, model, model year, trim, body, engine, fuel, transmission, drive type and plant, plus check digit validation, region and country of manufacture. Always answers, even when the upstream registry is slow.

dictionary_defineread-only

English definitions of a word. Word definitions. English dictionary with 147,000 words: definitions by part of speech, usage examples, synonyms, antonyms, broader terms, IPA and ARPAbet pronunciation, syllable count, rhymes and prefix autocomplete. Inflected forms (running, cities) resolve automatically.

synonymsread-only

Synonyms of an English word. Synonyms and antonyms. English thesaurus: synonyms, antonyms and related words for 147,000 words, ranked and grouped by meaning with part of speech and definitions. Handles inflected forms (running → run).

rhymesread-only

Rhymes of an English word. Rhyming words. Rhymes, syllable counts and pronunciation for English words, plus syllable counting for whole texts (per word and per line, with haiku detection). Perfect for songwriting, poetry and readability tools.

spell_checkread-only

English spell check with suggestions. Check spelling. Fast English spell checker (US and UK): flags misspellings with ranked suggestions, offsets and an auto-corrected text. Drop-in replacement for the retired Bing Spell Check API (format=bing).

summarizeread-only

Summarize a text or web page. Summarize a text or URL. Summarize any text or article URL in 50+ languages: picks the most important sentences (TextRank), with keywords and reading-time saved. No AI costs and no invented content.

extract_keywordsread-only

Keywords of a text (58 languages). Extract keywords. Extract the key phrases and most frequent words of any text in 50+ languages (RAKE algorithm with language stopwords). Auto language detection, scores and counts.

detect_languageread-only

Language of a text. Detect language. Detect the language of any text: ISO 639-3 code, English name, confidence, reliability flag and top 5 candidates. Fast, no AI costs, works offline.

loan_calculatorread-only

Loan / mortgage payments and schedule. Calculate loan or mortgage. Monthly payment, total interest and full amortization schedule for loans and mortgages. Down payment, extra payments, weekly/biweekly/monthly frequency and yearly summaries.

convert_unitsread-only

Convert units of measure. Convert units. Convert between 300+ units (length, weight, volume, temperature, speed, data, energy, time..) and evaluate math expressions safely (functions, constants, units, matrices).

hash_textread-only

MD5 / SHA hashes of a text. Hash text. Hash any text with MD5, SHA-1, SHA-256, SHA-384, SHA-512 and CRC32 in one call, sign messages with HMAC, and identify which algorithm produced a given hash.

generate_passwordread-only

Secure random passwords. Passwords. Cryptographically secure random passwords (length, symbols, numbers, uppercase, entropy) and UUID v4, in bulk.

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