"Information on Air Quality Index (AQI)" matching MCP servers:

Provides real-time air quality data (US AQI, PM2.5, PM10, ozone, NO2, SO2, CO) for any city via natural language, using free Open-Meteo data and a single tool.

Enables real-time China nationwide air quality monitoring via CNEMC, with AQI, pollutant concentrations and levels, quality ratings, city rankings, and station-level details.

MCP server for querying Seoul's official air quality data, including real-time and hourly measurements by district. Enables AI assistants to answer questions about fine dust and air pollution using public data from Seoul Open Data Plaza.

Enables querying Polish air-quality data from GIOŚ stations by providing tools to list stations, get sensor readings, and retrieve the composite air-quality index.

Provides access to EPA's Air Quality System API with 31 tools for querying air quality data, monitoring sites, and pollution measurements across the United States through natural language.

Read-only access to the AI Visibility Index: the measured share of answer that 20 SaaS and 24 crypto brands hold across ChatGPT, Perplexity and Gemini, re-measured weekly on a frozen prompt panel with every past release kept at a permanent URL. Five tools — full index, one brand, brand list, complete history, methodology — served from dabyte.ai and dablock.ai with no API key and no auth; the data

Calculates a chaos index (0-100) by combining Bitcoin volatility, ISS orbital position, global temperatures, earthquake activity, and lunar phase, with a breakdown of each component's contribution.

Retrieves hourly average air quality data (PM10, PM2.5, ozone, NO2, CO, SO2) from Seoul's open data platform, filtered by station or district.

Enables natural language queries of Seoul's air pollutant emission facility permit data from the Seoul Open Data Platform, including facility search, detailed lookup, and status enumeration.

Enables querying and retrieving US water-chemistry data, including station metadata, sample results, and controlled vocabularies from the Water Quality Portal.

Enables real-time air quality comparison between two cities through natural language, with an interactive dashboard widget for pollutant analysis.

Enables querying the Global Solo Banking Access Index to check which US business banking providers explicitly accept, restrict, or remain silent on applicants from 8 countries, with dated evidence URLs and provenance metadata.

Provides natural language access to over 100 years of historical market index data, including S\&P 500, NASDAQ 100, and Nikkei 225. It enables users to query price ranges, compare symbol performance, and analyze historical market trends directly within Claude.

Enables AI agents to query The Economist's Big Mac index from 2000 to the latest release, retrieving a country's local price, dollar price and exchange rate, or ranking currencies by how over- or under-valued they are against the dollar, euro, pound, yen or yuan, both raw and GDP-adjusted. Keyless, with historical releases, alias handling and full source attribution.

Enables querying real-time air quality data by region in Seoul, South Korea, using the Seoul Open Data Platform API, supporting multiple regions and monitoring stations.

Enables agents to fetch a single country's annual state-fragility score, rank and total country count, or pull ranked lists of the most fragile or most stable countries, so spikes of unrest or instability news can be read against a country's standing risk level. Runs keyless, either through the gateway endpoint or as a local stdio server.

This MCP server provides UV index information for South Korean cities and districts, sourced from the Ministry of the Interior and Safety's living safety map, enabling filtered lookups by region and returning index values with occurrence times.

Enables querying Korea Meteorological Administration living weather index forecasts, including UV and air stagnation indices for thousands of locations, with 3-hour intervals up to 75–78 hours ahead, and supports searching area codes to retrieve forecasts.

TypeScript stdio MCP server (official MCP SDK, McpServer) for the Receipts Index. Tools: receipts_index and receipts_sample call the free /v1/index and /v1/sample routes; receipts_pricing lists the paid x402 rows. Read only; it never pays.

Enables looking up a country's annual peacefulness score, its rank and how that rank moved versus the prior edition, or pulling ranked lists of the most and least peaceful countries, so a spike of conflict or violence news can be read against a country's standing peacefulness level.

Provides daily Argentina food & beverage price index data via MCP tools, with a free headline and paid full series using a mock x402 payment flow.

Per-unit cost of 13 back-office tasks done by a person vs by software, in the US, Greece and Ukraine, with an official statistic behind every hourly wage. Bundled data, works offline.

Enables AI agents to look up roughly 2,950 ports worldwide by name, UN-LOCODE, or WPI number, find ports within a radius of a latitude/longitude point, and list ports by country or harbor size. Returns harbor size and type, channel/anchorage/cargo-pier depths, coordinates, and facility flags such as pilotage, tugs, drydock, and railway.

Enables autonomous agents to access transparent public utilities such as UTC time, HTTP status catalogs, IANA time zones, and tool compatibility checks, while preserving privacy through daily rotating pseudonyms and no storage of raw identifiers.

Enables querying AI model lifecycle and deprecation data across OpenAI, Anthropic, Google Gemini, and Amazon Bedrock, including model status, sunset dates, and recommended replacements via MCP tools.

Enables AI agents to search millions of podcasts, read and search episode transcripts with timestamps and speakers, and access chapters, soundbites, Podcasting 2.0 tags, value-for-value data, feed health, and index statistics through 36 tools.

An MCP server that provides access to NS (Dutch Railways) travel information.

Enables access to South Korea's Ministry of Gender Equality and Family youth activity information through public data API, supporting regional searches, keyword filtering, and activity discovery for youth programs.

Enables querying real-time air quality index (AQI) data for Chinese cities, including PM2.5, PM10, and other pollutant information with health recommendations from the World Air Quality Index Project API.

Enables AI agents to query Korean listed companies' financial statements, public disclosures, executive information, and shareholder structures in real-time using the DART API.