Model Context Protocol servers that extend AI capabilities
Bitstamp keyless public market: ticker, orderbook, transactions, OHLC, trading pairs.
Blockchair multi-chain block explorer (BTC, ETH, LTC, DOGE, XMR, +12 more)
Blockstream Esplora Bitcoin block explorer (mainnet + testnet)
Brawl Stars player, club, brawlers, events, rankings. Supercell dev key.
Bundestag DIP MCP
Bungie.net Destiny 2 + clan API: manifest, profile, characters, stats.
Catalogue of Life — global taxonomic index of known species (~2.2M accepted names)
California Data Exchange Center (CDEC) hydrology, reservoirs, snow water
PC game deals across Steam/Epic/GOG/Humble via CheapShark. Keyless.
CISA Known Exploited Vulnerabilities catalog
Clash Royale player, clan, war, tournament, rankings, cards. Supercell dev key.
Cleveland Museum of Art Open Access API (~63k artworks, many CC0)
NIH Clinical Tables: ICD-10/9, RxTerms, LOINC, NPI, conditions search. Keyless.
Codeforces competitive programming users, contests, problems
Code::Stats public coding-XP profiles (codestats.net)
Codewars user profiles, completed kata, authored kata, kata detail. Keyless.
Comic Vine: characters, issues, volumes, creators, publishers. Free key.
Wikimedia Commons file/image/audio/video search via MediaWiki Action API
CryptoCompare prices, OHLC history, social stats, news, exchanges.
DailyMed MCP — FDA Structured Product Labels via NLM
City of Chicago Socrata open-data portal
data.europa.eu — official EU open-data hub (~1.6M datasets)
data.ny.gov — New York State open-data Socrata portal
France data.gouv.fr open-data catalogue