Which MCP servers actually work?

We track 53514 servers from the official MCP Registry. 35617 are hosted (remote); we have health-checked 35321 so far. 307 use templated URLs that need user-specific values and can't be checked. Of those checked, 21188 passed a full MCP handshake, 10208 are up but need credentials, and 3925 failed or were unreachable (last check 2026-10-30T20:50:27.066Z UTC). How we check.

ServerUsers (30 d)HandshakeAuthToolsLatencyLast checked (UTC)Category
America/Santiago clock
io.github.sadri-dridi/tz-america-santiago		0HealthyNone3191 ms2026-10-29T11:35:23.536Zagents-and-memory
America/North_Dakota/Center clock
io.github.sadri-dridi/tz-america-north-dakota-center		0HealthyNone3181 ms2026-10-29T11:35:23.532Zagents-and-memory
America/Manaus clock
io.github.sadri-dridi/tz-america-manaus		0HealthyNone3180 ms2026-10-29T11:35:23.518Zagents-and-memory
America/Havana clock
io.github.sadri-dridi/tz-america-havana		0HealthyNone3181 ms2026-10-29T11:35:23.516Zagents-and-memory
America/Puerto_Rico clock
io.github.sadri-dridi/tz-america-puerto-rico		0HealthyNone3135 ms2026-10-29T11:35:23.136Zagents-and-memory
America/Montevideo clock
io.github.sadri-dridi/tz-america-montevideo		0HealthyNone3131 ms2026-10-29T11:35:23.132Zagents-and-memory
America/Phoenix clock
io.github.sadri-dridi/tz-america-phoenix		0HealthyNone3131 ms2026-10-29T11:35:23.132Zagents-and-memory
America/Rankin_Inlet clock
io.github.sadri-dridi/tz-america-rankin-inlet		0HealthyNone3135 ms2026-10-29T11:35:23.132Zagents-and-memory
America/Indiana/Indianapolis clock
io.github.sadri-dridi/tz-america-indiana-indianapolis		0HealthyNone3129 ms2026-10-29T11:35:23.127Zagents-and-memory
America/Juneau clock
io.github.sadri-dridi/tz-america-juneau		0HealthyNone3129 ms2026-10-29T11:35:23.127Zagents-and-memory
America/Panama clock
io.github.sadri-dridi/tz-america-panama		0HealthyNone3130 ms2026-10-29T11:35:23.124Zagents-and-memory
America/Mexico_City clock
io.github.sadri-dridi/tz-america-mexico-city		0HealthyNone3137 ms2026-10-29T11:35:23.109Zagents-and-memory
America/Mazatlan clock
io.github.sadri-dridi/tz-america-mazatlan		0HealthyNone3158 ms2026-10-29T11:35:22.849Zagents-and-memory
America/Mendoza clock
io.github.sadri-dridi/tz-america-mendoza		0HealthyNone3164 ms2026-10-29T11:35:22.849Zagents-and-memory
America/Monterrey clock
io.github.sadri-dridi/tz-america-monterrey		0HealthyNone3158 ms2026-10-29T11:35:22.847Zagents-and-memory
America/Argentina/Buenos_Aires clock
io.github.sadri-dridi/tz-america-argentina-buenos-aires		0HealthyNone311068 ms2026-10-29T11:35:22.803Zagents-and-memory
America/Barbados clock
io.github.sadri-dridi/tz-america-barbados		0HealthyNone311231 ms2026-10-29T11:35:22.803Zagents-and-memory
America/Costa_Rica clock
io.github.sadri-dridi/tz-america-costa-rica		0HealthyNone31288 ms2026-10-29T11:35:22.803Zagents-and-memory
America/Jamaica clock
io.github.sadri-dridi/tz-america-jamaica		0HealthyNone31288 ms2026-10-29T11:35:22.803Zagents-and-memory
America/Kentucky/Louisville clock
io.github.sadri-dridi/tz-america-kentucky-louisville		0HealthyNone31288 ms2026-10-29T11:35:22.803Zagents-and-memory
America/Los_Angeles clock
io.github.sadri-dridi/tz-america-los-angeles		0HealthyNone31288 ms2026-10-29T11:35:22.803Zagents-and-memory
America/Bogota clock
io.github.sadri-dridi/tz-america-bogota		0HealthyNone311138 ms2026-10-29T11:35:22.769Zagents-and-memory
America/Boise clock
io.github.sadri-dridi/tz-america-boise		0HealthyNone31226 ms2026-10-29T11:35:22.769Zagents-and-memory
America/Caracas clock
io.github.sadri-dridi/tz-america-caracas		0HealthyNone311003 ms2026-10-29T11:35:22.769Zagents-and-memory
America/Detroit clock
io.github.sadri-dridi/tz-america-detroit		0HealthyNone31228 ms2026-10-29T11:35:22.769Zagents-and-memory
America/Fortaleza clock
io.github.sadri-dridi/tz-america-fortaleza		0HealthyNone31234 ms2026-10-29T11:35:22.769Zagents-and-memory
America/Cancun clock
io.github.sadri-dridi/tz-america-cancun		0HealthyNone31970 ms2026-10-29T11:35:22.671Zagents-and-memory
America/Aruba clock
io.github.sadri-dridi/tz-america-aruba		0HealthyNone3176 ms2026-10-29T11:35:22.478Zagents-and-memory
America/Martinique clock
io.github.sadri-dridi/tz-america-martinique		0HealthyNone3165 ms2026-10-29T11:35:22.471Zagents-and-memory
America/Buenos_Aires clock
io.github.sadri-dridi/tz-america-buenos-aires		0HealthyNone3156 ms2026-10-29T11:35:22.460Zagents-and-memory
America/Guatemala clock
io.github.sadri-dridi/tz-america-guatemala		0HealthyNone3147 ms2026-10-29T11:35:22.427Zagents-and-memory
America/Chicago clock
io.github.sadri-dridi/tz-america-chicago		0HealthyNone31701 ms2026-10-29T11:35:22.261Zagents-and-memory
America/Anchorage clock
io.github.sadri-dridi/tz-america-anchorage		0HealthyNone31669 ms2026-10-29T11:35:22.255Zagents-and-memory
America/Halifax clock
io.github.sadri-dridi/tz-america-halifax		0HealthyNone31411 ms2026-10-29T11:35:22.227Zagents-and-memory
America/Dawson clock
io.github.sadri-dridi/tz-america-dawson		0HealthyNone31551 ms2026-10-29T11:35:22.218Zagents-and-memory
Africa/Nairobi clock
io.github.sadri-dridi/tz-africa-nairobi		0HealthyNone31532 ms2026-10-29T11:35:22.209Zagents-and-memory
America/Bahia clock
io.github.sadri-dridi/tz-america-bahia		0HealthyNone31541 ms2026-10-29T11:35:22.202Zagents-and-memory
America/Belize clock
io.github.sadri-dridi/tz-america-belize		0HealthyNone31462 ms2026-10-29T11:35:22.188Zagents-and-memory
Africa/Tunis clock
io.github.sadri-dridi/tz-africa-tunis		0HealthyNone31461 ms2026-10-29T11:35:22.173Zagents-and-memory
America/Asuncion clock
io.github.sadri-dridi/tz-america-asuncion		0HealthyNone31450 ms2026-10-29T11:35:22.065Zagents-and-memory
Africa/Windhoek clock
io.github.sadri-dridi/tz-africa-windhoek		0HealthyNone31442 ms2026-10-29T11:35:22.060Zagents-and-memory
America/Denver clock
io.github.sadri-dridi/tz-america-denver		0HealthyNone31442 ms2026-10-29T11:35:22.054Zagents-and-memory
TypeID base32 suffix, value discarded
io.github.sadri-dridi/typeid-suffix		0HealthyNone3155 ms2026-10-29T11:35:21.284Zagents-and-memory
Africa/Kinshasa clock
io.github.sadri-dridi/tz-africa-kinshasa		0HealthyNone31187 ms2026-10-29T11:35:21.284Zagents-and-memory
W3C traceparent 4-part shape, value discarded
io.github.sadri-dridi/traceparent		0HealthyNone31141 ms2026-10-29T11:35:21.280Zagents-and-memory
Africa/Gaborone clock
io.github.sadri-dridi/tz-africa-gaborone		0HealthyNone31233 ms2026-10-29T11:35:21.280Zagents-and-memory
Africa/Khartoum clock
io.github.sadri-dridi/tz-africa-khartoum		0HealthyNone31233 ms2026-10-29T11:35:21.280Zagents-and-memory
Africa/Tripoli clock
io.github.sadri-dridi/tz-africa-tripoli		0HealthyNone31237 ms2026-10-29T11:35:21.280Zagents-and-memory
America/Adak clock
io.github.sadri-dridi/tz-america-adak		0HealthyNone31183 ms2026-10-29T11:35:21.280Zagents-and-memory
Africa/Dar_es_Salaam clock
io.github.sadri-dridi/tz-africa-dar-es-salaam		0HealthyNone31276 ms2026-10-29T11:35:21.275Zagents-and-memory

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