Celestrak
Verified · todayCelesTrak MCP — satellite orbital elements (TLE / GP data) for any tracked object.
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chess
Verified · todayChess.com MCP — wraps the Chess.com public API (free, no auth)
climate
Verified · todayClimate MCP — wraps Open-Meteo Climate API (free, no auth)
Climate Feeds
Verified · todayClimate & Energy Feeds MCP.
Climatiq
Verified · todayClimatiq MCP — carbon footprint calculator with emission factors
Cnb Cz
Verified · 5 days agoCzech National Bank (Česká národní banka, ČNB) public API MCP. Keyless.
Color
Verified · 4 days agoColor utilities MCP.
Conceptnet
Verified · 4 days agoConceptNet MCP — open multilingual word/phrase relation graph
Conspiracy Theory
Verified · 5 days agoconspiracy-theory MCP — wraps StupidAPIs (requires X-API-Key)
Coordinates
Verified · todayCoordinate geometry MCP.
countries
Verified · yesterdayCountries MCP — world country data from REST Countries API v3.1
Country State City
Verified · 4 days agoCountryStateCity MCP — wraps CountryStateCity API (api.countrystatecity.in/v1)
Crc
Verified · yesterdayChecksum MCP — CRC-32 & Adler-32.
Creditcard
Verified · yesterdayCredit-card number validation MCP.
Cricket
Verified · yesterdayCricket MCP — wraps CricAPI (api.cricapi.com) for live cricket data.
Crontab
Verified · yesterdayCrontab expression MCP.
crossref
Verified · yesterdayCrossref MCP — wraps the Crossref REST API (academic papers, free, no auth)
Cso Ie
Verified · yesterdayIreland Central Statistics Office (CSO) PxStat MCP.
Currencyformat
Verified · 4 days agoNumber & currency formatting MCP.
Currents
Verified · todayCurrents MCP — wraps the Currents API (currentsapi.services)