Utilities MCP servers
6,169 servers
Small helpers: time, math, text conversion, random data and other everyday tools.
- PlainGrade
dev.workers.mike-tusa.plaingrade-api/plaingrade-apiEnglish readability scores (Flesch, Flesch-Kincaid, Fog, SMOG) and text stats. Text never stored.
100% up · 30 days
Utilities Official MCP Registry Remote
- RichProof
dev.workers.mike-tusa.richproof/richproofValidate JSON-LD structured data against the Schema.org vocabulary. Free; never fetches URLs.
100% up · 30 days
Marketing and SEO Official MCP Registry Remote
- SmuggleCheck
dev.workers.mike-tusa.smugglecheck/smugglecheckFind hidden prompt-injection text: ASCII smuggling, zero-width/emoji stego, bidi, homoglyphs.
100% up · 30 days
Utilities Official MCP Registry Remote
- UAParse
dev.workers.mike-tusa.uaparse/uaparseParse a User-Agent: browser, OS, device, plus bot, search crawler, AI crawler and AI agent flags.
100% up · 30 days
Browser automation Official MCP Registry Remote
- WorkdayAPI
dev.workers.mike-tusa.workdayapi/workdayapiBusiness-day and public-holiday math for 29 countries: add business days, days between, holidays.
100% up · 30 days
Utilities Official MCP Registry Remote
- well-003-json-to-markdown
dev.workers.mmelnyk2000.well-003-json-to-markdown/json-to-markdownhttps JSON URL to tidy markdown. x402 $0.005 USDC, Base. As is, no warranty.
0% up · 30 days
Office documents and spreadsheets Official MCP Registry Remote
- Pulse — heartbeat & status monitor for AI agents
dev.workers.notdown-app.pulse/monitorYour agent pings once per run; get a public up/late/down status page. Auto-creates checks. One call.
Address set by you
Monitoring and observability Official MCP Registry Remote
- Agent Discovery Doctor - llms.txt, agent card, mcp.json
dev.workers.pathwren.www/agent-discovery-doctor{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key
100% up · 30 days
Model and agent tools Official MCP Registry Remote
- MCP Endpoint Lint - handshake, tool schemas, JSON-RPC errors
dev.workers.pathwren.www/mcp-endpoint-lint{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key
100% up · 30 days
Developer tools Official MCP Registry Remote
- Skim
dev.workers.perch-app.skim/skimURL to Markdown or structured JSON (schema.org/OG); renders SPA; batch reads. No signup/key.
100% up · 30 days
Web search and scraping Official MCP Registry Remote
- Business Day Calendars
dev.workers.quietworklabs.business-days/business-daysNYSE, Federal Reserve, TARGET2 and UK business days, holidays and T+N settlement dates.
100% up · 30 days
Calendar and scheduling Official MCP Registry Remote
- QuickBuild token-saver tools + x402
dev.workers.quynguyenbac.quickbuild/agent-toolsFree no-LLM token savers: URL→Markdown, outline, JSON trim, log compress, token count; x402 extras
100% up · 30 days
Office documents and spreadsheets Official MCP Registry Remote
- well-003-json-to-markdown
dev.workers.rainmaker-wells.well-003-json-to-markdown/json-to-markdownhttps JSON URL to tidy markdown. x402 $0.005 USDC, Base. As is, no warranty.
100% up · 30 days
Office documents and spreadsheets Official MCP Registry Remote
- url-change-watch: did this page change?
dev.workers.rainmaker-wells.well-009-url-change-watch/url-change-checkDid this page change? Hash-compare any public URL vs last check; skip unchanged re-reads. x402 $0.01
100% up · 30 days
Utilities Official MCP Registry Remote
- Brasil Data (pay-per-call via x402)
dev.workers.wagner-proc.brasil-data-x402/brasil-dataBrazil CNPJ, CEP, Selic/IPCA/PTAX, holidays, banks/ISPB for agents. Pay per call in USDC (x402).
100% up · 30 days
Finance and payments Official MCP Registry Remote
- NZ Data API
dev.workers.zakwins.nzdata/nz-data-apiNew Zealand public holidays, working-day deadlines, IRD/NZBN/bank checks, GST. Pay per call via x402
100% up · 30 days
Finance and payments Official MCP Registry Remote
- SweKit - Swedish validators
dev.workers.zenith-ops.swekit-api/swekitSwedish personnummer/orgnr/bankgiro/OCR validation, kontonummer to IBAN, bankdagar.
100% up · 30 days
Office documents and spreadsheets Official MCP Registry Remote
- zerm
dev.zerm/zermAgent utility belt: memory, locks, webhook inboxes, timers, DNS, email, URL, timezone, cron
100% up · 30 days
Utilities Official MCP Registry Remote
- calc.engineer
engineer.calc/calc88 free engineering calculators: RF link budgets, LoRa/Meshtastic, PCB, solar, homelab. Keyless.
100% up · 30 days
Smart home and hardware Official MCP Registry Remote
- beyourspace data APIs
es.beyourspace/data-apisPay-per-call data tools via x402: Spanish/EU open data, extraction, URL to Markdown, CSV to JSON.
0% up · 30 days
Office documents and spreadsheets Official MCP Registry Remote
- contix herramientas
es.contix/herramientasFree no-auth tools for Spain: validate IBAN, EU VAT check (VIES), Modelo 303 sums, Veri*factu dates.
100% up · 30 days
Finance and payments Official MCP Registry Remote
- IBAN Validation MCP
eu.iban-test.www/iban-validationValidate IBANs in 111 countries; bank directory checks for DE, AT, BE, FR, LU, NL, PT and ES.
87.96% up · 30 days
Utilities Official MCP Registry Remote
- Kalkulo.eu calculators
eu.kalkulo/calculatorsRead-only European tax, salary and benefit calculators with official sources and unknowns.
100% up · 30 days
Utilities Official MCP Registry Remote
- Pauhu
eu.pauhu/dataEuropean data products with cited sources. Annual bulk access: not open for online purchase yet.
100% up · 30 days
Utilities Official MCP Registry Remote
- convert.express
express.convert/transcribeTranscribe audio and video to text, SRT or VTT. Summaries, translation. Optional OAuth sign-in.
100% up · 30 days
Design and media Official MCP Registry Remote
- PortfolioFit
fit.portfolio/portfoliofitCheck normalized portfolios against mandates and calculate allocation constraints.
100% up · 30 days
Utilities Official MCP Registry Remote
- MCP Devis
fr.custom-digital-services/mcp-devisCalculate French quote totals and VAT, list legal mentions, and render printable HTML quotes.
100% up · 30 days
Finance and payments Official MCP Registry Remote
- Lingoris — traduction assermentée
fr.lingoris/traduction-assermenteeSworn (certified) translation in France: instant firm price, 100+ languages, order tracking.
100% up · 30 days
Utilities Official MCP Registry Remote
- Listar
fr.listar/listarFind verified B2B emails, phone numbers and the decision makers of any company.
100% up · 30 days
Email Official MCP Registry Remote
- monappamoi
fr.monappamoi/appsHost AI-generated single-file HTML apps with JSON persistence. No signup.
100% up · 30 days
Files and storage Official MCP Registry Remote
- Vérifier ma facture (Factur-X)
fr.verifier-ma-facture/validateurConformité Factur-X : 21 critères PDF/A-3, XML CII EN 16931 et BR-FR. Analyse locale, gratuite.
100% up · 30 days
Office documents and spreadsheets Official MCP Registry Remote
- var.gg Naming Memory
gg.var/naming-memoryCurated multilingual dictionary that names code identifiers from domain concepts (KO/JA/ZH/VI/EN).
100% up · 30 days
Memory and context Official MCP Registry Remote
- 艾达 ADA
group.hengyu.ai/adaFree APIs for AI agents: web reading, text slicing, clock, ID keys, 1MB memory. No signup or fees.
100% up · 30 days
Memory and context Official MCP Registry Remote
- Capitolguide
guide.capitol/capitolguideNavigate the U.S. Capitol complex: decode room codes, route buildings, check access, amenities.
100% up · 30 days
Utilities Official MCP Registry Remote
- Lumin guru
guru.lumin/luminThe calculation and trust layer for astrology agents. Every value returns with its rule and source.
100% up · 30 days
Utilities Official MCP Registry Remote
- nextbank.holiday
holiday.nextbank/bank-holidaysNext bank holiday for UK, Ireland, France, Germany and Spain. Free daily quota, then USDC via x402.
100% up · 30 days
Finance and payments Official MCP Registry Remote
- PromNET — Hungarian business calculators & legal checker
hu.promnet/promnetHungarian VAT, payroll, KATA/flat-rate tax, late interest, workdays and website legal checks.
100% up · 30 days
Finance and payments Official MCP Registry Remote
- Israeli supermarket prices (Foodiepedia)
il.co.foodiepedia/pricesPrices in 31 Israeli supermarket chains by barcode. Free search; API key or x402 pay-per-call.
100% up · 30 days
Web search and scraping Official MCP Registry Remote
- Zelta BMI for Indians
in.zelta/bmi-indiaBMI check with Indian (Asian) cutoffs and a healthy weight range for any height.
100% up · 30 days
Utilities Official MCP Registry Remote
- AstroWay Applied readings
info.astroway/appliedBusiness, financial and wellness astrology, written for a use rather than a technique.
100% up · 30 days
Finance and payments Official MCP Registry Remote
- AstroWay Astrology API (full catalogue)
info.astroway/astrologyEvery AstroWay endpoint as a tool: Western, Vedic, Chinese, Human Design, tarot, reports.
100% up · 30 days
Utilities Official MCP Registry Remote
- AstroWay Core astrology
info.astroway/coreNatal charts, planets, houses, aspects, dignities, rendering and the calendar.
100% up · 30 days
Utilities Official MCP Registry Remote
- AstroWay Psychological astrology
info.astroway/psychologicalArchetypes, Jungian typology, shadow work and the relationship-style readings.
100% up · 30 days
Utilities Official MCP Registry Remote
- AstroWay Tarot
info.astroway/tarotRider-Waite-Smith, Marseille and Lenormand: spreads, draws, card pictures and spread readings.
100% up · 30 days
Utilities Official MCP Registry Remote
- AstroWay Vedic astrology
info.astroway/vedicVargas, dashas, panchang, shadbala, yogas, doshas, Jaimini, KP and Vastu Shastra.
100% up · 30 days
Utilities Official MCP Registry Remote
- Letlink
ink.letl/letlinkCreate branded short links and QR codes, and pull click analytics by country, device and referrer.
100% up · 30 days
Data warehouses and analytics Official MCP Registry Remote
- 1Lookup
io.1lookup/1lookupVerify phone numbers, emails and IPs, and check remaining plan credits.
100% up · 30 days
Email Official MCP Registry Remote
- Agent Weather
io.agentweather/agent-weatherPay per call, solves one question. Raw public readings on AI agents and x402.
100% up · 30 days
Maps and location Official MCP Registry Remote