Which MCP servers actually work?

We track 47362 servers from the official MCP Registry. 30880 are hosted (remote); we have health-checked 30613 so far. 273 use templated URLs that need user-specific values and can't be checked. Of those checked, 16828 passed a full MCP handshake, 8434 are up but need credentials, and 5351 failed or were unreachable (last check 2026-10-20T23:21:03.859Z UTC). How we check.

ServerUsers (30 d)HandshakeAuthToolsLatencyLast checked (UTC)Category
Currency ILS
io.github.sadri-dridi/fx-ils
0HealthyNone311967 ms2026-10-20T14:06:05.078Zagents-and-memory
Currency CHF
io.github.sadri-dridi/fx-chf
0HealthyNone31576 ms2026-10-20T14:06:04.874Zagents-and-memory
Currency JPY
io.github.sadri-dridi/fx-jpy
0HealthyNone3141 ms2026-10-20T14:06:03.010Zagents-and-memory
Currency CZK
io.github.sadri-dridi/fx-czk
0HealthyNone3141 ms2026-10-20T14:06:03.007Zagents-and-memory
Currency HUF
io.github.sadri-dridi/fx-huf
0HealthyNone3139 ms2026-10-20T14:06:03.006Zagents-and-memory
Currency GBP
io.github.sadri-dridi/fx-gbp
0HealthyNone3135 ms2026-10-20T14:06:02.796Zagents-and-memory
friendly-id hyphen groups, value discarded
io.github.sadri-dridi/friendly-id
0HealthyNone311966 ms2026-10-20T14:06:02.692Zagents-and-memory
Currency BRL
io.github.sadri-dridi/fx-brl
0HealthyNone311553 ms2026-10-20T14:06:02.354Zagents-and-memory
Feet to meters
io.github.sadri-dridi/ft-to-m
0HealthyNone311276 ms2026-10-20T14:06:02.333Zagents-and-memory
Currency EGP
io.github.sadri-dridi/fx-egp
0HealthyNone311276 ms2026-10-20T14:06:02.333Zagents-and-memory
Currency HKD
io.github.sadri-dridi/fx-hkd
0HealthyNone31536 ms2026-10-20T14:06:02.333Zagents-and-memory
FQDN shape, value discarded
io.github.sadri-dridi/fqdn-ok
0HealthyNone311462 ms2026-10-20T14:06:02.292Zagents-and-memory
fstab field-count band, line discarded
io.github.sadri-dridi/fstab-ok
0HealthyNone311393 ms2026-10-20T14:06:02.292Zagents-and-memory
Furlongs to meters, number discarded
io.github.sadri-dridi/furlong-m
0HealthyNone311411 ms2026-10-20T14:06:02.292Zagents-and-memory
Currency AED
io.github.sadri-dridi/fx-aed
0HealthyNone311372 ms2026-10-20T14:06:02.292Zagents-and-memory
Currency AUD
io.github.sadri-dridi/fx-aud
0HealthyNone311329 ms2026-10-20T14:06:02.292Zagents-and-memory
Currency CAD
io.github.sadri-dridi/fx-cad
0HealthyNone311204 ms2026-10-20T14:06:02.292Zagents-and-memory
Currency CNY
io.github.sadri-dridi/fx-cny
0HealthyNone311211 ms2026-10-20T14:06:02.292Zagents-and-memory
Currency COP
io.github.sadri-dridi/fx-cop
0HealthyNone311219 ms2026-10-20T14:06:02.292Zagents-and-memory
Currency EUR
io.github.sadri-dridi/fx-eur
0HealthyNone311326 ms2026-10-20T14:06:02.292Zagents-and-memory
INSEE commune code shape, value discarded
io.github.sadri-dridi/fr-insee
0HealthyNone311347 ms2026-10-20T14:06:02.154Zagents-and-memory
Forwarded for= hop count, value discarded
io.github.sadri-dridi/forwarded-n
0HealthyNone31249 ms2026-10-20T14:06:01.432Zagents-and-memory
Currency CLP
io.github.sadri-dridi/fx-clp
0HealthyNone3143 ms2026-10-20T14:06:01.407Zagents-and-memory
Feet per second to m/s, number discarded
io.github.sadri-dridi/fps-ms
0HealthyNone3120 ms2026-10-20T14:06:00.660Zagents-and-memory
Forwarded by= hop count, value discarded
io.github.sadri-dridi/forwarded-by
0HealthyNone3173 ms2026-10-20T14:06:00.375Zagents-and-memory
FNV-1a 64 hex length, input discarded
io.github.sadri-dridi/fnv64-len
0HealthyNone3150 ms2026-10-20T14:06:00.337Zagents-and-memory
FNV-1a 128 hex length, input discarded
io.github.sadri-dridi/fnv128-ok
0HealthyNone3151 ms2026-10-20T14:06:00.204Zagents-and-memory
FNV-1a hex, input discarded
io.github.sadri-dridi/fnv1a-ok
0HealthyNone3151 ms2026-10-20T14:06:00.204Zagents-and-memory
FNV-1a 64-bit hex, input discarded
io.github.sadri-dridi/fnv1a64-ok
0HealthyNone3147 ms2026-10-20T14:06:00.204Zagents-and-memory
Forwarded pair count, value discarded
io.github.sadri-dridi/forwarded-ok
0HealthyNone3147 ms2026-10-20T14:06:00.204Zagents-and-memory
Feet/s to km/h, number discarded
io.github.sadri-dridi/fps-kmh
0HealthyNone3147 ms2026-10-20T14:06:00.204Zagents-and-memory
Femtometres to meters, number discarded
io.github.sadri-dridi/fm-m
0HealthyNone3170 ms2026-10-20T14:06:00.201Zagents-and-memory
Tabindex integer band, value discarded
io.github.sadri-dridi/focus-order-ok
0HealthyNone3038 ms2026-10-20T14:06:00.199Zagents-and-memory
FNV-1 hex, input discarded
io.github.sadri-dridi/fnv1-ok
0HealthyNone3153 ms2026-10-20T14:06:00.194Zagents-and-memory
FlatBuffers vtable shape, bytes discarded
io.github.sadri-dridi/flatbuf-ok
0HealthyNone3153 ms2026-10-20T14:06:00.190Zagents-and-memory
FLAC magic-byte check, file discarded
io.github.sadri-dridi/flac-magic
0HealthyNone3154 ms2026-10-20T14:06:00.185Zagents-and-memory
Fletcher-32 hex length, input discarded
io.github.sadri-dridi/fletcher-len
0HealthyNone3140 ms2026-10-20T14:06:00.175Zagents-and-memory
filename to MIME charset, value discarded
io.github.sadri-dridi/file-mime-ok
0HealthyNone3160 ms2026-10-20T14:06:00.167Zagents-and-memory
FarmHash128 hex length, input discarded
io.github.sadri-dridi/farm128
0HealthyNone3160 ms2026-10-20T14:06:00.157Zagents-and-memory
US fluid ounces to milliliters, number discarded
io.github.sadri-dridi/floz-ml
0HealthyNone3150 ms2026-10-20T14:06:00.147Zagents-and-memory
generic flake id digit band, value discarded
io.github.sadri-dridi/flake-ok
0HealthyNone3141 ms2026-10-20T14:05:59.669Zagents-and-memory
Fetch Status
io.github.sadri-dridi/fetch-status
0HealthyNone31593 ms2026-10-20T14:05:59.543Zagents-and-memory
File Path Check
io.github.sadri-dridi/file-path-ok
0HealthyNone31820 ms2026-10-20T14:05:59.543Zagents-and-memory
filename stem charset, value discarded
io.github.sadri-dridi/file-stem-ok
0HealthyNone31599 ms2026-10-20T14:05:59.543Zagents-and-memory
Safe filename charset, name discarded
io.github.sadri-dridi/filename-ok
0HealthyNone31708 ms2026-10-20T14:05:59.543Zagents-and-memory
Firkins to liters, number discarded
io.github.sadri-dridi/firkin-l
0HealthyNone31595 ms2026-10-20T14:05:59.543Zagents-and-memory
UTC fiscal quarter 1-4
io.github.sadri-dridi/fiscal-q
0HealthyNone31306 ms2026-10-20T14:05:59.543Zagents-and-memory
Fahrenheit to kelvin, number discarded
io.github.sadri-dridi/f-k
0HealthyNone31848 ms2026-10-20T14:05:59.504Zagents-and-memory
FarmHash64 hex length, input discarded
io.github.sadri-dridi/farm64
0HealthyNone31846 ms2026-10-20T14:05:59.504Zagents-and-memory
Fathoms to meters, number discarded
io.github.sadri-dridi/fathom-m
0HealthyNone31857 ms2026-10-20T14:05:59.504Zagents-and-memory

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