Which MCP servers actually work?

We track 59022 servers from the official MCP Registry. 39924 are hosted (remote); we have health-checked 39594 so far. 341 use templated URLs that need user-specific values and can't be checked. Of those checked, 23682 passed a full MCP handshake, 11724 are up but need credentials, and 4188 failed or were unreachable (last check 2026-11-08T08:40:19.647Z UTC). How we check.

ServerUsers (30 d)HandshakeAuthToolsLatencyLast checked (UTC)Category
cid: URL shape, value discarded
io.github.sadri-dridi/cid-url
0HealthyNone3135 ms2026-11-06T17:00:46.197Zagents-and-memory
CityHash64 hex length, input discarded
io.github.sadri-dridi/city64-len
0HealthyNone3127 ms2026-11-06T17:00:46.195Zagents-and-memory
CIDv0 Qm prefix, value discarded
io.github.sadri-dridi/cid-v0
0HealthyNone3127 ms2026-11-06T17:00:46.193Zagents-and-memory
CIDv1 base32 prefix, value discarded
io.github.sadri-dridi/cid-base32
0HealthyNone3126 ms2026-11-06T17:00:46.147Zagents-and-memory
CityHash hex length, input discarded
io.github.sadri-dridi/cityhash-len
0HealthyNone3126 ms2026-11-06T17:00:46.147Zagents-and-memory
CF-Ray id hex shape, value discarded
io.github.sadri-dridi/cf-ray
0HealthyNone3122 ms2026-11-06T17:00:46.072Zagents-and-memory
Centimeters to meters, number discarded
io.github.sadri-dridi/cm-m
0HealthyNone3150 ms2026-11-06T17:00:45.945Zagents-and-memory
Cubic feet/min to m3/s, number discarded
io.github.sadri-dridi/cfm-m3s
0HealthyNone3155 ms2026-11-06T17:00:45.944Zagents-and-memory
Chains to meters, number discarded
io.github.sadri-dridi/chain-m
0HealthyNone3163 ms2026-11-06T17:00:45.939Zagents-and-memory
Character count, text discarded
io.github.sadri-dridi/char-count
0HealthyNone31100 ms2026-11-06T17:00:45.938Zagents-and-memory
IPv4 CIDR shape, value discarded
io.github.sadri-dridi/cidr4-ok
0HealthyNone3197 ms2026-11-06T17:00:45.933Zagents-and-memory
CIDv1 dag-pb codec prefix, value discarded
io.github.sadri-dridi/cid-dagpb
0HealthyNone31157 ms2026-11-06T17:00:45.932Zagents-and-memory
CF-IPCountry ISO2, value discarded
io.github.sadri-dridi/cf-ipcountry
0HealthyNone31300 ms2026-11-06T17:00:45.930Zagents-and-memory
Cubic feet/s to m3/s, number discarded
io.github.sadri-dridi/cfs-m3s
0HealthyNone31179 ms2026-11-06T17:00:45.923Zagents-and-memory
CIDv1 raw codec prefix, value discarded
io.github.sadri-dridi/cid-raw
0HealthyNone31232 ms2026-11-06T17:00:45.923Zagents-and-memory
ISO country VG
io.github.sadri-dridi/cc-vg
0HealthyNone31185 ms2026-11-06T17:00:45.921Zagents-and-memory
ISO country ZW
io.github.sadri-dridi/cc-zw
0HealthyNone31323 ms2026-11-06T17:00:45.915Zagents-and-memory
Gregorian century band
io.github.sadri-dridi/century-n
0HealthyNone31301 ms2026-11-06T17:00:45.910Zagents-and-memory
ISO country VU
io.github.sadri-dridi/cc-vu
0HealthyNone3113 ms2026-11-06T16:55:49.824Zagents-and-memory
CF-Visitor scheme token, value discarded
io.github.sadri-dridi/cf-visitor
0HealthyNone3114 ms2026-11-06T16:55:49.824Zagents-and-memory
ISO country ZA
io.github.sadri-dridi/cc-za
0HealthyNone3112 ms2026-11-06T16:55:49.823Zagents-and-memory
ISO country US
io.github.sadri-dridi/cc-us
0HealthyNone3113 ms2026-11-06T16:55:49.715Zagents-and-memory
ISO country UM
io.github.sadri-dridi/cc-um
0HealthyNone312515 ms2026-11-06T16:55:49.323Zagents-and-memory
ISO country VE
io.github.sadri-dridi/cc-ve
0HealthyNone312515 ms2026-11-06T16:55:49.323Zagents-and-memory
ISO country ZM
io.github.sadri-dridi/cc-zm
0HealthyNone31511 ms2026-11-06T16:55:49.323Zagents-and-memory
ISO country VI
io.github.sadri-dridi/cc-vi
0HealthyNone312373 ms2026-11-06T16:55:49.279Zagents-and-memory
ISO country VN
io.github.sadri-dridi/cc-vn
0HealthyNone312382 ms2026-11-06T16:55:49.279Zagents-and-memory
ISO country WS
io.github.sadri-dridi/cc-ws
0HealthyNone312383 ms2026-11-06T16:55:49.279Zagents-and-memory
ISO country YE
io.github.sadri-dridi/cc-ye
0HealthyNone312180 ms2026-11-06T16:55:49.279Zagents-and-memory
CF-Connecting-IP shape, value discarded
io.github.sadri-dridi/cf-ip
0HealthyNone312382 ms2026-11-06T16:55:49.279Zagents-and-memory
ISO country TJ
io.github.sadri-dridi/cc-tj
0HealthyNone311720 ms2026-11-06T16:55:49.244Zagents-and-memory
ISO country TM
io.github.sadri-dridi/cc-tm
0HealthyNone311720 ms2026-11-06T16:55:49.244Zagents-and-memory
ISO country TO
io.github.sadri-dridi/cc-to
0HealthyNone311722 ms2026-11-06T16:55:49.244Zagents-and-memory
ISO country TV
io.github.sadri-dridi/cc-tv
0HealthyNone311718 ms2026-11-06T16:55:49.244Zagents-and-memory
ISO country UG
io.github.sadri-dridi/cc-ug
0HealthyNone312319 ms2026-11-06T16:55:49.244Zagents-and-memory
ISO country WF
io.github.sadri-dridi/cc-wf
0HealthyNone312284 ms2026-11-06T16:55:49.244Zagents-and-memory
ISO country YT
io.github.sadri-dridi/cc-yt
0HealthyNone312278 ms2026-11-06T16:55:49.244Zagents-and-memory
ISO country SO
io.github.sadri-dridi/cc-so
0HealthyNone311720 ms2026-11-06T16:55:49.057Zagents-and-memory
ISO country SN
io.github.sadri-dridi/cc-sn
0HealthyNone3139 ms2026-11-06T16:55:48.409Zagents-and-memory
ISO country TT
io.github.sadri-dridi/cc-tt
0HealthyNone3131 ms2026-11-06T16:55:46.696Zagents-and-memory
ISO country TH
io.github.sadri-dridi/cc-th
0HealthyNone3181 ms2026-11-06T16:55:46.238Zagents-and-memory
ISO country TK
io.github.sadri-dridi/cc-tk
0HealthyNone3181 ms2026-11-06T16:55:46.238Zagents-and-memory
ISO country SV
io.github.sadri-dridi/cc-sv
0HealthyNone3181 ms2026-11-06T16:55:46.233Zagents-and-memory
ISO country TR
io.github.sadri-dridi/cc-tr
0HealthyNone3188 ms2026-11-06T16:55:46.233Zagents-and-memory
ISO country TW
io.github.sadri-dridi/cc-tw
0HealthyNone3177 ms2026-11-06T16:55:46.233Zagents-and-memory
ISO country UA
io.github.sadri-dridi/cc-ua
0HealthyNone3174 ms2026-11-06T16:55:46.233Zagents-and-memory
ISO country UY
io.github.sadri-dridi/cc-uy
0HealthyNone3183 ms2026-11-06T16:55:46.233Zagents-and-memory
ISO country VA
io.github.sadri-dridi/cc-va
0HealthyNone3184 ms2026-11-06T16:55:46.233Zagents-and-memory
ISO country SZ
io.github.sadri-dridi/cc-sz
0HealthyNone3153 ms2026-11-06T16:55:46.221Zagents-and-memory
ISO country TZ
io.github.sadri-dridi/cc-tz
0HealthyNone3171 ms2026-11-06T16:55:46.221Zagents-and-memory

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