Every server in the official MCP Registry. Ranked by whether they actually work: we connect to each one and publish what happens.
19,038 servers
Browse the JSON Schema Store catalog. No key required.
Placeholder images from Placehold.co. No key required.
UN Comtrade trade data preview. No key required.
Asteroid and comet data from the NASA JPL Small Body Database. No key required.
Pixelfed instance API: instance info and public timelines.
UN Sustainable Development Goal indicators. No key required.
Fireball impact data from NASA JPL. No key required.
Keyless MCP server for Picsum: placeholder photos, author info, deterministic image URL builder.
Formula 1 data (Jolpica, the Ergast replacement).
UK crime data from data.police.uk. No key required.
Jokes in one place: dad jokes, JokeAPI jokes by category, and category listing. No key required.
Validate and format international phone numbers locally. No network and no key.
Avatar images from UI Avatars. No key required.
Search free stock photos on Pexels. No key required.
Search PeerTube.tv federated videos and read instance info. No key required.
Search anime and manga from MyAnimeList through the Jikan API. No key required.
Fossil occurrences and taxa from the Paleobiology Database. No key required.
Radio directory from TuneIn RadioTime. No key required.
Search US patents and patent applications from Google Patents. No key required.
Score password strength locally with the zxcvbn algorithm. No network and no key.
Keyless MCP server for ITIS taxonomy: scientific names, TSNs, hierarchy, common names.
US Treasury foreign exchange rates. No key required.
Generate strong random passwords locally. No network and no key.
Translate text between languages using the free MyMemory API. No key required.
Check if a password has appeared in known breaches without sending the password. No key required.
IP address lookup with location and network details. No key required.