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 2026-11-08T09:10:22.340Z UTC). How we check.

ServerUsers (30 d)HandshakeAuthToolsLatencyLast checked (UTC)Category
dev.redirx/redirx
dev.redirx/redirx
0HealthyNone12858 ms2026-11-06T17:15:50.168Zlocation-and-travel
Ens at 12pt to millimeters, number discarded
io.github.sadri-dridi/en-mm
0HealthyNone3118 ms2026-11-06T17:15:49.878Zagents-and-memory
EDN collection count, body discarded
io.github.sadri-dridi/edn-ok
0HealthyNone3120 ms2026-11-06T17:15:49.868Zagents-and-memory
emoji code-point count, text discarded
io.github.sadri-dridi/emoji-n
0HealthyNone3119 ms2026-11-06T17:15:49.867Zagents-and-memory
email-ish token count, text discarded
io.github.sadri-dridi/emailish-n
0HealthyNone3127 ms2026-11-06T17:15:49.836Zagents-and-memory
EAN-13 digit shape, value discarded
io.github.sadri-dridi/ean13-ok
0HealthyNone3114 ms2026-11-06T17:15:49.822Zagents-and-memory
ETag shape, value discarded
io.github.sadri-dridi/etag-ok
0HealthyNone31119 ms2026-11-06T17:15:49.760Zagents-and-memory
NexusSDR AI — 4-Agent B2B Buying-Intent & Outbound Server
com.run402.nexussdr-ai/mcp
0HealthyNone4818 ms2026-11-06T17:15:49.738Zcrypto-web3
Unix week number from seconds
io.github.sadri-dridi/epoch-week
0HealthyNone31518 ms2026-11-06T17:15:49.736Zagents-and-memory
Email hostname only, address discarded
io.github.sadri-dridi/email-host
0HealthyNone31530 ms2026-11-06T17:15:49.731Zcommunication
Python egg-info key count, body discarded
io.github.sadri-dridi/egg-ok
0HealthyNone31530 ms2026-11-06T17:15:49.726Zagents-and-memory
EditorConfig section count, body discarded
io.github.sadri-dridi/editorconfig-ok
0HealthyNone31538 ms2026-11-06T17:15:49.721Zagents-and-memory
Whether text contains an emoji, text discarded
io.github.sadri-dridi/emoji-ok
0HealthyNone31540 ms2026-11-06T17:15:49.633Zagents-and-memory
EAN/UPC digit shape
io.github.sadri-dridi/ean-shape
0HealthyNone31541 ms2026-11-06T17:15:49.630Zagents-and-memory
Unix epoch milliseconds
io.github.sadri-dridi/epoch-ms
0HealthyNone31403 ms2026-11-06T17:15:49.617Zagents-and-memory
Early-Data 1 token, value discarded
io.github.sadri-dridi/early-data
0HealthyNone31298 ms2026-11-06T17:15:49.585Zagents-and-memory
LexiShield AI — 6-Agent GDPR, EU AI Act & Contract Redlining Server
sh.surge.lexishield-ai/mcp
0HealthyNone42379 ms2026-11-06T17:15:49.579Zagents-and-memory
varioroam eSIM configurator
com.varioroam/esim-catalog
0HealthyNone8469 ms2026-11-06T17:15:49.406Zecommerce
DXF SECTION count, file discarded
io.github.sadri-dridi/dxf-ok
0HealthyNone3170 ms2026-11-06T17:15:48.664Zagents-and-memory
HireHouse Jobs
io.github.aadarshvelu/hirehouse-mcp
0HealthyNone41925 ms2026-11-06T17:15:48.661Zproductivity
Whether current UTC month is NZ DST-heavy
io.github.sadri-dridi/dst-nz
0HealthyNone3180 ms2026-11-06T17:15:48.593Zagents-and-memory
Email shape, address discarded
io.github.sadri-dridi/email-shape
0HealthyNone3159 ms2026-11-06T17:15:48.580Zcommunication
DTD ELEMENT count, body discarded
io.github.sadri-dridi/dtd-ok
0HealthyNone3151 ms2026-11-06T17:15:48.577Zagents-and-memory
Whether current UTC month is DST-heavy in the US
io.github.sadri-dridi/dst-hint-utc
0HealthyNone3037 ms2026-11-06T17:15:48.565Zagents-and-memory
email-ish local@host shape, value discarded
io.github.sadri-dridi/emailish-ok
0HealthyNone3131 ms2026-11-06T17:15:48.542Zagents-and-memory
Eircode shape, value discarded
io.github.sadri-dridi/eircode-ok
0HealthyNone3016 ms2026-11-06T17:15:48.482Zagents-and-memory
EBNF production count, body discarded
io.github.sadri-dridi/ebnf-ok
0HealthyNone3115 ms2026-11-06T17:15:48.457Zagents-and-memory
Whether current UTC month is US DST-heavy
io.github.sadri-dridi/dst-us2
0HealthyNone3113 ms2026-11-06T17:15:48.453Zagents-and-memory
EBCDIC digit zone, input discarded
io.github.sadri-dridi/ebcdic-ok
0HealthyNone319 ms2026-11-06T17:15:48.449Zagents-and-memory
Whether current UTC month is DST-heavy in the US
io.github.sadri-dridi/dst-us-hint
0HealthyNone3124 ms2026-11-06T17:15:48.211Zagents-and-memory
US fluid drams to milliliters, number discarded
io.github.sadri-dridi/dram-ml
0HealthyNone3137 ms2026-11-06T17:15:48.195Zagents-and-memory
Whether a zone name looks like DST-aware
io.github.sadri-dridi/dst-hint
0HealthyNone3125 ms2026-11-06T17:15:48.174Zagents-and-memory
Dotfile name charset, name discarded
io.github.sadri-dridi/dotfile-ok
0HealthyNone31421 ms2026-11-06T17:15:48.009Zagents-and-memory
Whether current UTC month is EU DST-heavy
io.github.sadri-dridi/dst-eu
0HealthyNone31946 ms2026-11-06T17:15:48.004Zagents-and-memory
dot.case segment count, value discarded
io.github.sadri-dridi/dot-ok
0HealthyNone311178 ms2026-11-06T17:15:48.000Zagents-and-memory
doi: URI suffix shape, value discarded
io.github.sadri-dridi/doi-uri
0HealthyNone311221 ms2026-11-06T17:15:47.994Zagents-and-memory
Domain label split
io.github.sadri-dridi/domain-labels
0HealthyNone311299 ms2026-11-06T17:15:47.988Zagents-and-memory
EU DST in-force band
io.github.sadri-dridi/dst-eu2
0HealthyNone311613 ms2026-11-06T17:15:47.985Zagents-and-memory
Whether current UTC month is AU DST-heavy
io.github.sadri-dridi/dst-au
0HealthyNone311505 ms2026-11-06T17:15:47.979Zagents-and-memory
DOI 10. prefix shape, id discarded
io.github.sadri-dridi/doi-ok
0HealthyNone311474 ms2026-11-06T17:15:47.976Zagents-and-memory
Whether current UTC month is Chile DST-heavy
io.github.sadri-dridi/dst-cl
0HealthyNone311615 ms2026-11-06T17:15:47.973Zagents-and-memory
DNT 0/1 token, value discarded
io.github.sadri-dridi/dnt-ok
0HealthyNone311608 ms2026-11-06T17:15:47.930Zagents-and-memory
Metric drops to milliliters, number discarded
io.github.sadri-dridi/drop-ml
0HealthyNone311609 ms2026-11-06T17:15:47.926Zagents-and-memory
https://doi.org/ URL shape, value discarded
io.github.sadri-dridi/doi-url
0HealthyNone3195 ms2026-11-06T17:15:46.222Zagents-and-memory
Day-of-year 1-366 band
io.github.sadri-dridi/doy-ok
0HealthyNone3189 ms2026-11-06T17:15:46.214Zagents-and-memory
dotenv key count, values discarded
io.github.sadri-dridi/dotenv-ok
0HealthyNone3191 ms2026-11-06T17:15:46.210Zagents-and-memory
Content-Disposition filename charset, value discarded
io.github.sadri-dridi/download-ok
0HealthyNone3199 ms2026-11-06T17:15:46.206Zagents-and-memory
Discord snowflake worker bits, id discarded
io.github.sadri-dridi/discord-worker
0HealthyNone3175 ms2026-11-06T17:15:46.195Zcommunication
DOI Shape
io.github.sadri-dridi/doi-shape
0HealthyNone3155 ms2026-11-06T17:15:46.185Zagents-and-memory
DOI 10. prefix shape, value discarded
io.github.sadri-dridi/doi-ok2
0HealthyNone3153 ms2026-11-06T17:15:46.174Zagents-and-memory

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