MCPFax Public-Data Utility API MCP server

• v1_air_qualityFree

  Air quality: US & European AQI plus pollutant concentrations by coordinate. Source: Open-Meteo Air Quality (CAMS). $0.005 per call · GET /v1/air-quality

• v1_airports_nearestFree

  Nearest airports: Coordinates → nearest airports (IATA/ICAO) by distance. Source: OurAirports (edge dataset). $0.008 per call · GET /v1/airports/nearest

• v1_business_daysFree

  Business-day math: Count business days in a range, or add/subtract N business days, skipping weekends & holidays. Source: computed + Nager.Date. $0.005 per call · GET /v1/business-days

• v1_cfrFree

  CFR legal text: Fetch current Code of Federal Regulations text for a citation. Source: eCFR (GovInfo). $0.01 per call · GET /v1/cfr

• v1_countryFree

  Country metadata: Name/ISO code → currency, capital, calling code, languages, flag. Source: ISO 3166 (edge dataset). $0.005 per call · GET /v1/country

• v1_crypto_priceFree

  Crypto spot price: Spot price for a crypto asset in a fiat/crypto quote currency. Source: Coinbase / CoinGecko. $0.005 per call · GET /v1/crypto-price

• v1_dnsFree

  DNS lookup: Resolve DNS records via DNS-over-HTTPS. Source: Google / Cloudflare DoH. $0.005 per call · GET /v1/dns

• v1_drug_labelFree

  FDA drug label: openFDA structured drug labeling (uses, warnings, dosage). Source: openFDA. $0.01 per call · GET /v1/drug-label

• v1_econ_indicatorFree

  Economic indicator: World Bank indicator time series for a country (GDP, unemployment, etc.). Source: World Bank Open Data. $0.008 per call · GET /v1/econ-indicator

• v1_fxFree

  Currency exchange rates: Reference FX rates (ECB) with optional amount conversion. Source: Frankfurter (ECB) / open.er-api. $0.005 per call · GET /v1/fx

• v1_geocodeFree

  Forward geocoding: Place name → coordinates, country, timezone. Source: Open-Meteo / Nominatim. $0.005 per call · GET /v1/geocode

• v1_holidaysFree

  Public holidays: Public holidays for a country & year. Source: Nager.Date. $0.005 per call · GET /v1/holidays

• v1_icd10Free

  ICD-10-CM search: Search ICD-10-CM diagnosis codes by term or code. Source: NLM Clinical Tables. $0.008 per call · GET /v1/icd10

• v1_inflationFree

  Inflation calculator: Adjust an amount between years using CPI (any country, not just US). Source: World Bank CPI. $0.008 per call · GET /v1/inflation

• v1_ip_geolocationFree

  IP geolocation: IP address → location, ASN, ISP. Source: ipwho.is / ip-api. $0.005 per call · GET /v1/ip-geolocation

• v1_leiFree

  LEI lookup: Legal Entity Identifier record by LEI code or entity name. Source: GLEIF. $0.008 per call · GET /v1/lei

• v1_naicsFree

  NAICS lookup: Official 2022 NAICS code → title, hierarchy, children; or keyword search. Source: U.S. Census 2022 NAICS (edge dataset). $0.008 per call · GET /v1/naics

• v1_rdapFree

  RDAP whois: Structured domain/IP registration data (modern whois). Source: RDAP (rdap.org). $0.005 per call · GET /v1/rdap

• v1_reverse_geocodeFree

  Reverse geocoding: Coordinates → nearest address. Source: Nominatim / BigDataCloud. $0.005 per call · GET /v1/reverse-geocode

• v1_robotsFree

  robots.txt / llms.txt: Fetch and parse a site's robots.txt and llms.txt. Source: direct fetch. $0.005 per call · GET /v1/robots

• v1_sec_company_factsFree

  SEC EDGAR company facts: Company profile + recent filings; or XBRL financial facts for a concept. Source: SEC EDGAR. $0.01 per call · GET /v1/sec-company-facts

• v1_stock_quoteFree

  Stock quote: Delayed quote & key stats for an equity/ETF/index. Source: Yahoo Finance. $0.005 per call · GET /v1/stock-quote

• v1_sunFree

  Sunrise / sunset: Sunrise, sunset, solar noon, day length by coordinate. Source: sunrise-sunset.org / Open-Meteo. $0.005 per call · GET /v1/sun

• v1_timezoneFree

  Timezone by coordinate: Coordinates → IANA timezone, UTC offset, local time. Source: Open-Meteo. $0.005 per call · GET /v1/timezone

• v1_unit_convertFree

  Unit conversion: Convert between units (length, mass, volume, speed, area, data, time, pressure, energy, temperature, angle). Source: deterministic edge compute. $0.005 per call · GET /v1/unit-convert

• v1_validate_emailwrite actionFree

  Email validation: Syntax check + live MX/deliverability + disposable-domain flag. Source: edge compute + DoH. $0.005 per call · GET /v1/validate-email

• v1_vin_decodeFree

  VIN decode: Decode a US-market Vehicle Identification Number. Source: NHTSA vPIC. $0.01 per call · GET /v1/vin-decode

• v1_weatherFree

  Weather forecast: Current conditions, the next 12 hours with rain probability, a multi-day forecast, and a plain answer to "will it rain". Source: Open-Meteo / NWS. $0.005 per call · GET /v1/weather

• v1_weather_alertsFree

  Active weather alerts: Active NWS watches/warnings for a US coordinate. Source: US National Weather Service. $0.008 per call · GET /v1/weather-alerts

• v1_wikipediaFree

  Wikipedia summary: Lead summary/extract for a Wikipedia page. Source: Wikipedia REST. $0.005 per call · GET /v1/wikipedia

• v1_zipFree

  Postal code lookup: ZIP/postal code → place(s) & coordinates. Source: Zippopotam.us. $0.005 per call · GET /v1/zip

• –Code scanremote-only server, no package to scann/a
• Live reliabilityremote reachable in 302ms20/20
• Tool poisoning31 tool descriptions checked15/15
• Auth qualityopen endpoint exposes 1 write-action tools with no auth3/15
• Maintenanceno repository listed3/15
• Maintainer identityverified namespace with website, no repo4/10

MCPFax Public-Data Utility API: common questions

Is MCPFax Public-Data Utility API MCP server safe?

With care: it is graded C, so read the findings first (60/100). Read the MCPFax Public-Data Utility API safety report

How do I install MCPFax Public-Data Utility API?

It runs remotely at mcpfax-utility.bowling-anthony.workers.dev. 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 MCPFax Public-Data Utility API need an API key?

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

Is MCPFax Public-Data Utility API maintained?

The latest release is v1.0.9.

Is MCPFax Public-Data Utility API up?

100% of our last 7 checks got an answer. We check remote servers about four times a day.