MCP Server Directory

Real-time air quality data via the Open-Meteo Air Quality API, including pollutant concentrations and AQI for any location.

Anime and manga data from AniList via the AniList GraphQL API, free with no authentication.

Generates personalized apologies at varying sincerity levels via StupidAPIs, free with no authentication.

Retrieve official aviation weather products including METARs, TAFs, PIREPs, AIRMETs, and SIGMETs from the Aviation Weather Center.

Artworks, artists, and exhibitions from the Art Institute of Chicago via the ARTIC public API.

Bible verses and books via the Bible API — look up passages, chapters, and full books.

Query real-time and historical global flight data including schedules, live flight status, airport info, and airline details via the Aviationstack API.

Search and retrieve preprints from bioRxiv and medRxiv covering biology and health sciences before formal peer review.

Random activity suggestions via the Bored API — filter by type, participant count, and price range.

Queries multi-chain blockchain data for Bitcoin, Ethereum, and 12 other chains.

Board game search and data via the Board Game Atlas API, free using a public demo client ID.

Explore the Bitcoin blockchain using Blockstream's Esplora API, covering addresses, transactions, blocks, and mempool data on mainnet and testnet.

Bank for International Settlements statistics — central bank rates, FX, banking, and credit data via the Pipeworx gateway.

Cat images and content from the CATAAS (Cat as a Service) API, free with no authentication.

Analyzes text for corporate buzzword density with severity scoring and optional roast mode via StupidAPIs.

US Bureau of Labor Statistics employment, wage, and economic data via the BLS public data API v2.

Query German Bundestag parliamentary data including bills, plenary protocols, drucksachen, and committee activities via the official DIP API.

Random cat facts via the Cat Facts API, free with no authentication required.

US Census Bureau housing-relevant APIs for demographic and housing data.

US Census Bureau international trade statistics via the Census Bureau trade data API.

Look up EVM-compatible blockchain networks by chain ID, including RPC endpoints, native currency, and network configuration from the Chainlist registry.

Searches the global taxonomic index of ~2.2 million accepted species names.

Consumer Financial Protection Bureau complaint database, free with no authentication required.

Historical and projected climate data via the Open-Meteo Climate API, free with no authentication required.

Chess.com player profiles, game history, and tournament data via the Chess.com public API.

Chuck Norris jokes via the chucknorris.io API — random jokes, categories, and text search.

Search and retrieve artwork records from the Cleveland Museum of Art's Open Access collection of approximately 63,000 works, many available under Creative Commons licenses.

Combines Bitcoin price, ISS location, earthquake data, and lunar phase into a single chaos score via StupidAPIs.

Bike-sharing network data via the CityBik.es API — stations, availability, and network coverage worldwide.

Access cryptocurrency market data from Coinpaprika including prices, historical data, coin details, and exchange information.

Query Codeforces competitive programming platform data including user profiles, contest results, problem statements, and submission history.

Retrieve Code::Stats public profiles showing coding XP, language breakdowns, and recent activity for any user.

Climatiq carbon footprint calculator with 60k peer-reviewed emission factors via the Pipeworx gateway.

Query cryptocurrency prices, market capitalizations, rankings, and exchange data from the CoinMarketCap API.

United Nations international bilateral trade statistics via the UN Comtrade API.

Academic paper metadata and DOI lookups via the Crossref REST API, covering 130M+ scholarly records.

Clinical trial data from the ClinicalTrials.gov database via API v2, free with no authentication.

Dad jokes via the icanhazdadjoke.com API — retrieve random jokes, search by term, and browse by category.

DataCite DOI search and metadata for research datasets, software, and other non-paper scholarly outputs via Pipeworx.

Query FDA drug label information (Structured Product Labels) from DailyMed, the official NLM drug information database.

Queries the Australian government's CKAN-based open data catalogue.

Queries the French government's open data portal for datasets and resources.

Color information and conversions via thecolorapi.com — get color names, schemes, and hex/RGB/HSL values.

Access Singapore's official government open data portal including static datasets and real-time environmental, transport, and public service feeds.

Search the DBLP computer science bibliography for authors, publications, and venues across major conferences and journals.