Which MCP servers actually work?

We track 59133 servers from the official MCP Registry. 40018 are hosted (remote); we have health-checked 39686 so far. 343 use templated URLs that need user-specific values and can't be checked. Of those checked, 23734 passed a full MCP handshake, 11763 are up but need credentials, and 4189 failed or were unreachable (last check 2026-11-08T10:30:23.218Z UTC). How we check.

ServerUsers (30 d)HandshakeAuthToolsLatencyLast checked (UTC)Category
Language eo
io.github.sadri-dridi/lang-eo
0HealthyNone3119 ms2026-11-06T17:45:47.168Zagents-and-memory
Language el
io.github.sadri-dridi/lang-el
0HealthyNone3112 ms2026-11-06T17:45:47.162Zagents-and-memory
Language fj
io.github.sadri-dridi/lang-fj
0HealthyNone3110 ms2026-11-06T17:45:47.161Zagents-and-memory
Language ga
io.github.sadri-dridi/lang-ga
0HealthyNone3113 ms2026-11-06T17:45:47.158Zagents-and-memory
Language bs
io.github.sadri-dridi/lang-bs
0HealthyNone3113 ms2026-11-06T17:45:47.152Zagents-and-memory
Language es
io.github.sadri-dridi/lang-es
0HealthyNone3111 ms2026-11-06T17:45:47.146Zagents-and-memory
Language en
io.github.sadri-dridi/lang-en
0HealthyNone3115 ms2026-11-06T17:45:47.145Zagents-and-memory
Language ca
io.github.sadri-dridi/lang-ca
0HealthyNone3118 ms2026-11-06T17:45:46.915Zagents-and-memory
Language am
io.github.sadri-dridi/lang-am
0HealthyNone3116 ms2026-11-06T17:45:46.909Zagents-and-memory
Language de
io.github.sadri-dridi/lang-de
0HealthyNone3114 ms2026-11-06T17:45:46.905Zagents-and-memory
KSUID 27-char shape, value discarded
io.github.sadri-dridi/ksuid-ok
0HealthyNone3119 ms2026-11-06T17:45:46.881Zagents-and-memory
Kilometers to miles
io.github.sadri-dridi/km-to-mi
0HealthyNone3140 ms2026-11-06T17:45:46.676Zagents-and-memory
Language as
io.github.sadri-dridi/lang-as
0HealthyNone3131 ms2026-11-06T17:45:46.673Zagents-and-memory
Language bg
io.github.sadri-dridi/lang-bg
0HealthyNone3135 ms2026-11-06T17:45:46.673Zagents-and-memory
Language fi
io.github.sadri-dridi/lang-fi
0HealthyNone3135 ms2026-11-06T17:45:46.673Zagents-and-memory
KSUID character length
io.github.sadri-dridi/ksuid-len
0HealthyNone3129 ms2026-11-06T17:45:46.669Zagents-and-memory
Language cs
io.github.sadri-dridi/lang-cs
0HealthyNone3131 ms2026-11-06T17:45:46.669Zagents-and-memory
Language da
io.github.sadri-dridi/lang-da
0HealthyNone3129 ms2026-11-06T17:45:46.669Zagents-and-memory
Liters to US gallons
io.github.sadri-dridi/l-to-gal
0HealthyNone3128 ms2026-11-06T17:45:46.667Zagents-and-memory
label[for] count, markup discarded
io.github.sadri-dridi/label-for-ok
0HealthyNone3129 ms2026-11-06T17:45:46.667Zagents-and-memory
KSUID payload charset, value discarded
io.github.sadri-dridi/ksuid-pay
0HealthyNone3142 ms2026-11-06T17:45:46.666Zagents-and-memory
Language be
io.github.sadri-dridi/lang-be
0HealthyNone3141 ms2026-11-06T17:45:46.664Zagents-and-memory
Language cy
io.github.sadri-dridi/lang-cy
0HealthyNone3141 ms2026-11-06T17:45:46.663Zagents-and-memory
KOI8-U high-bit band, bytes discarded
io.github.sadri-dridi/koi8u-ok
0HealthyNone3176 ms2026-11-06T17:45:46.659Zagents-and-memory
Language bn
io.github.sadri-dridi/lang-bn
0HealthyNone3168 ms2026-11-06T17:45:46.657Zagents-and-memory
KSUID 40-hex shape, value discarded
io.github.sadri-dridi/ksuid-hex
0HealthyNone3167 ms2026-11-06T17:45:46.655Zagents-and-memory
KiB to bytes
io.github.sadri-dridi/kib-to-bytes
0HealthyNone31713 ms2026-11-06T17:45:46.611Zagents-and-memory
Language az
io.github.sadri-dridi/lang-az
0HealthyNone3113 ms2026-11-06T17:45:46.339Zagents-and-memory
Language af
io.github.sadri-dridi/lang-af
0HealthyNone3112 ms2026-11-06T17:45:46.313Zagents-and-memory
KSUID shape check
io.github.sadri-dridi/ksuid-shape
0HealthyNone3112 ms2026-11-06T17:45:46.115Zagents-and-memory
Kilopascals to bar, number discarded
io.github.sadri-dridi/kpa-bar
0HealthyNone3110 ms2026-11-06T17:45:46.102Zagents-and-memory
ARIA landmark count, markup discarded
io.github.sadri-dridi/landmark-ok
0HealthyNone3111 ms2026-11-06T17:45:46.101Zagents-and-memory
Language aa
io.github.sadri-dridi/lang-aa
0HealthyNone3120 ms2026-11-06T17:45:46.087Zagents-and-memory
Knots to m/s, number discarded
io.github.sadri-dridi/knot-ms
0HealthyNone3122 ms2026-11-06T17:45:46.082Zagents-and-memory
KSUID Base62 charset, value discarded
io.github.sadri-dridi/ksuid-b62
0HealthyNone3119 ms2026-11-06T17:45:46.082Zagents-and-memory
KSI to megapascals, number discarded
io.github.sadri-dridi/ksi-mpa
0HealthyNone3120 ms2026-11-06T17:45:46.078Zagents-and-memory
KSUID timestamp prefix, value discarded
io.github.sadri-dridi/ksuid-ts
0HealthyNone3117 ms2026-11-06T17:45:46.078Zagents-and-memory
Knots to km/h
io.github.sadri-dridi/knot-to-kmh
0HealthyNone3117 ms2026-11-06T17:45:46.068Zagents-and-memory
KiB to bytes, number discarded
io.github.sadri-dridi/kib-bytes
0HealthyNone3119 ms2026-11-06T17:45:46.066Zagents-and-memory
Keep-Alive timeout band, value discarded
io.github.sadri-dridi/keep-alive-ok
0HealthyNone3120 ms2026-11-06T17:45:46.054Zagents-and-memory
Keccak-256 hex length, input discarded
io.github.sadri-dridi/keccak256
0HealthyNone3114 ms2026-11-06T17:45:46.051Zagents-and-memory
Kilohertz to megahertz, number discarded
io.github.sadri-dridi/khz-mhz
0HealthyNone3112 ms2026-11-06T17:45:46.051Zagents-and-memory
Knots to km/h, number discarded
io.github.sadri-dridi/knot-kmh
0HealthyNone311350 ms2026-11-06T17:45:45.913Zagents-and-memory
km/h to m/s, number discarded
io.github.sadri-dridi/kph-ms
0HealthyNone31929 ms2026-11-06T17:45:45.913Zagents-and-memory
KML Placemark count, body discarded
io.github.sadri-dridi/kml-ok
0HealthyNone31953 ms2026-11-06T17:45:45.895Zagents-and-memory
Keccak-512 hex length, input discarded
io.github.sadri-dridi/keccak512
0HealthyNone311374 ms2026-11-06T17:45:45.877Zagents-and-memory
Kips to kilograms, number discarded
io.github.sadri-dridi/kip-kg
0HealthyNone31856 ms2026-11-06T17:45:45.592Zagents-and-memory
Kilograms to pounds
io.github.sadri-dridi/kg-to-lb
0HealthyNone31922 ms2026-11-06T17:45:45.576Zagents-and-memory
kebab-case shape, text discarded
io.github.sadri-dridi/kebab-ok
0HealthyNone31972 ms2026-11-06T17:45:45.566Zagents-and-memory
Kelvin to celsius
io.github.sadri-dridi/k-to-c
0HealthyNone31974 ms2026-11-06T17:45:45.562Zagents-and-memory

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