Which MCP servers actually work?

We track 50338 servers from the official MCP Registry. 33275 are hosted (remote); we have health-checked 32990 so far. 294 use templated URLs that need user-specific values and can't be checked. Of those checked, 18193 passed a full MCP handshake, 9289 are up but need credentials, and 5508 failed or were unreachable (last check 2026-10-26T00:05:30.611Z UTC). How we check.

ServerUsers (30 d)HandshakeAuthToolsLatencyLast checked (UTC)Category
UK postcode outward shape, value discarded
io.github.sadri-dridi/uk-postcode		0HealthyNone31534 ms2026-10-24T22:25:08.731Zagents-and-memory
Crockford Base32 ULID shape, value discarded
io.github.sadri-dridi/ulid-crock		0HealthyNone31537 ms2026-10-24T22:25:08.731Zagents-and-memory
Micrograms to milligrams, number discarded
io.github.sadri-dridi/ug-mg		0HealthyNone3120 ms2026-10-24T22:25:08.627Zagents-and-memory
Pacific/Honolulu clock
io.github.sadri-dridi/tz-pacific-honolulu		0HealthyNone3116 ms2026-10-24T22:25:08.137Zagents-and-memory
Pacific/Noumea clock
io.github.sadri-dridi/tz-pacific-noumea		0HealthyNone3126 ms2026-10-24T22:25:07.932Zagents-and-memory
Pacific/Tahiti clock
io.github.sadri-dridi/tz-pacific-tahiti		0HealthyNone3128 ms2026-10-24T22:25:07.795Zagents-and-memory
Pacific/Tongatapu clock
io.github.sadri-dridi/tz-pacific-tongatapu		0HealthyNone3131 ms2026-10-24T22:25:07.795Zagents-and-memory
Pacific/Majuro clock
io.github.sadri-dridi/tz-pacific-majuro		0HealthyNone3132 ms2026-10-24T22:25:07.792Zagents-and-memory
Pacific/Galapagos clock
io.github.sadri-dridi/tz-pacific-galapagos		0HealthyNone3134 ms2026-10-24T22:25:07.772Zagents-and-memory
Pacific/Guadalcanal clock
io.github.sadri-dridi/tz-pacific-guadalcanal		0HealthyNone3118 ms2026-10-24T22:25:07.766Zagents-and-memory
GMT clock
io.github.sadri-dridi/tz-gmt		0HealthyNone31590 ms2026-10-24T22:25:07.714Zagents-and-memory
Pacific/Easter clock
io.github.sadri-dridi/tz-pacific-easter		0HealthyNone3164 ms2026-10-24T22:25:07.654Zagents-and-memory
Indian/Mauritius clock
io.github.sadri-dridi/tz-indian-mauritius		0HealthyNone3159 ms2026-10-24T22:25:07.651Zagents-and-memory
Pacific/Apia clock
io.github.sadri-dridi/tz-pacific-apia		0HealthyNone3158 ms2026-10-24T22:25:07.651Zagents-and-memory
Pacific/Efate clock
io.github.sadri-dridi/tz-pacific-efate		0HealthyNone3162 ms2026-10-24T22:25:07.651Zagents-and-memory
Europe/Zurich clock
io.github.sadri-dridi/tz-europe-zurich		0HealthyNone3161 ms2026-10-24T22:25:07.622Zagents-and-memory
UTC offset hours
io.github.sadri-dridi/tz-offset-utc		0HealthyNone3119 ms2026-10-24T22:25:07.340Zagents-and-memory
Europe/Zagreb clock
io.github.sadri-dridi/tz-europe-zagreb		0HealthyNone3167 ms2026-10-24T22:25:07.265Zagents-and-memory
Europe/Vatican clock
io.github.sadri-dridi/tz-europe-vatican		0HealthyNone3128 ms2026-10-24T22:25:07.262Zagents-and-memory
Europe/Vilnius clock
io.github.sadri-dridi/tz-europe-vilnius		0HealthyNone3166 ms2026-10-24T22:25:07.262Zagents-and-memory
Pacific/Auckland clock
io.github.sadri-dridi/tz-pacific-auckland		0HealthyNone3157 ms2026-10-24T22:25:07.262Zagents-and-memory
Indian/Maldives clock
io.github.sadri-dridi/tz-indian-maldives		0HealthyNone31129 ms2026-10-24T22:25:07.261Zagents-and-memory
Pacific/Chatham clock
io.github.sadri-dridi/tz-pacific-chatham		0HealthyNone31191 ms2026-10-24T22:25:07.260Zagents-and-memory
Europe/Uzhgorod clock
io.github.sadri-dridi/tz-europe-uzhgorod		0HealthyNone31189 ms2026-10-24T22:25:07.259Zagents-and-memory
Europe/Sofia clock
io.github.sadri-dridi/tz-europe-sofia		0HealthyNone31191 ms2026-10-24T22:25:07.254Zagents-and-memory
Europe/Rome clock
io.github.sadri-dridi/tz-europe-rome		0HealthyNone3125 ms2026-10-24T22:25:07.250Zagents-and-memory
Europe/Warsaw clock
io.github.sadri-dridi/tz-europe-warsaw		0HealthyNone31180 ms2026-10-24T22:25:07.248Zagents-and-memory
Europe/Tallinn clock
io.github.sadri-dridi/tz-europe-tallinn		0HealthyNone3116 ms2026-10-24T22:25:07.242Zagents-and-memory
Europe/Skopje clock
io.github.sadri-dridi/tz-europe-skopje		0HealthyNone3115 ms2026-10-24T22:25:07.051Zagents-and-memory
Europe/Samara clock
io.github.sadri-dridi/tz-europe-samara		0HealthyNone3116 ms2026-10-24T22:25:06.885Zagents-and-memory
Australia/Adelaide clock
io.github.sadri-dridi/tz-australia-adelaide		0HealthyNone3115 ms2026-10-24T22:25:06.808Zagents-and-memory
Europe/Stockholm clock
io.github.sadri-dridi/tz-europe-stockholm		0HealthyNone3112 ms2026-10-24T22:25:06.806Zfinance-and-payments
Europe/Prague clock
io.github.sadri-dridi/tz-europe-prague		0HealthyNone3116 ms2026-10-24T22:25:06.741Zagents-and-memory
Europe/Sarajevo clock
io.github.sadri-dridi/tz-europe-sarajevo		0HealthyNone3117 ms2026-10-24T22:25:06.740Zagents-and-memory
Europe/Paris clock
io.github.sadri-dridi/tz-europe-paris		0HealthyNone3116 ms2026-10-24T22:25:06.736Zagents-and-memory
Europe/Oslo clock
io.github.sadri-dridi/tz-europe-oslo		0HealthyNone3113 ms2026-10-24T22:25:06.692Zagents-and-memory
Europe/Madrid clock
io.github.sadri-dridi/tz-europe-madrid		0HealthyNone31232 ms2026-10-24T22:25:06.684Zagents-and-memory
Atlantic/Reykjavik clock
io.github.sadri-dridi/tz-atlantic-reykjavik		0HealthyNone31148 ms2026-10-24T22:25:06.621Zagents-and-memory
Europe/Monaco clock
io.github.sadri-dridi/tz-europe-monaco		0HealthyNone31150 ms2026-10-24T22:25:06.621Zagents-and-memory
Europe/Minsk clock
io.github.sadri-dridi/tz-europe-minsk		0HealthyNone31232 ms2026-10-24T22:25:06.620Zagents-and-memory
Europe/Istanbul clock
io.github.sadri-dridi/tz-europe-istanbul		0HealthyNone31144 ms2026-10-24T22:25:06.617Zagents-and-memory
Europe/Malta clock
io.github.sadri-dridi/tz-europe-malta		0HealthyNone31145 ms2026-10-24T22:25:06.617Zagents-and-memory
Europe/London clock
io.github.sadri-dridi/tz-europe-london		0HealthyNone31258 ms2026-10-24T22:25:06.615Zagents-and-memory
Europe/Lisbon clock
io.github.sadri-dridi/tz-europe-lisbon		0HealthyNone31295 ms2026-10-24T22:25:06.614Zagents-and-memory
Europe/Guernsey clock
io.github.sadri-dridi/tz-europe-guernsey		0HealthyNone3117 ms2026-10-24T22:20:14.927Zagents-and-memory
Europe/Ljubljana clock
io.github.sadri-dridi/tz-europe-ljubljana		0HealthyNone3116 ms2026-10-24T22:20:14.927Zagents-and-memory
Europe/Luxembourg clock
io.github.sadri-dridi/tz-europe-luxembourg		0HealthyNone3121 ms2026-10-24T22:20:14.927Zagents-and-memory
Europe/Kyiv clock
io.github.sadri-dridi/tz-europe-kyiv		0HealthyNone3117 ms2026-10-24T22:20:14.922Zagents-and-memory
Europe/Chisinau clock
io.github.sadri-dridi/tz-europe-chisinau		0HealthyNone3112 ms2026-10-24T22:20:14.919Zagents-and-memory
Europe/Copenhagen clock
io.github.sadri-dridi/tz-europe-copenhagen		0HealthyNone3110 ms2026-10-24T22:20:14.914Zagents-and-memory

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