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, 18190 passed a full MCP handshake, 9288 are up but need credentials, and 5512 failed or were unreachable (last check 2026-10-26T00:55:17.726Z UTC). How we check.
| Server | Users (30 d) | Handshake | Auth | Tools | Latency | Last checked (UTC) | Category |
|---|---|---|---|---|---|---|---|
| YouTube ID Shape io.github.sadri-dridi/youtube-id-shape | 0 | Healthy | None | 31 | 481 ms | 2026-10-24T22:50:09.242Z | marketing-and-seo |
| UTC year io.github.sadri-dridi/year-utc | 0 | Healthy | None | 31 | 472 ms | 2026-10-24T22:50:09.201Z | agents-and-memory |
| US ZIP+4 shape, value discarded io.github.sadri-dridi/zip-us-ok | 0 | Healthy | None | 31 | 55 ms | 2026-10-24T22:50:08.982Z | agents-and-memory |
| SafeSwapGlobal Crypto Swap Quotes io.github.safeswapglobal-prog/safeswapglobal-mcp | 0 | Healthy | None | 2 | 122 ms | 2026-10-24T22:50:08.968Z | crypto-web3 |
| Z85 charset, input discarded io.github.sadri-dridi/z85-ok | 0 | Healthy | None | 31 | 14 ms | 2026-10-24T22:50:08.791Z | agents-and-memory |
| Yards to meters io.github.sadri-dridi/yd-to-m | 0 | Healthy | None | 31 | 16 ms | 2026-10-24T22:50:08.477Z | agents-and-memory |
| Yards to meters, number discarded io.github.sadri-dridi/yd-m | 0 | Healthy | None | 31 | 16 ms | 2026-10-24T22:50:08.414Z | agents-and-memory |
| YAML top-level key count, values discarded io.github.sadri-dridi/yaml-keys-ok | 0 | Healthy | None | 31 | 23 ms | 2026-10-24T22:50:08.412Z | agents-and-memory |
| Common zone count io.github.sadri-dridi/zone-count | 0 | Healthy | None | 31 | 15 ms | 2026-10-24T22:50:08.345Z | agents-and-memory |
| Days in current UTC year io.github.sadri-dridi/year-len | 0 | Healthy | None | 31 | 19 ms | 2026-10-24T22:50:08.330Z | agents-and-memory |
| XXH32 hex length, input discarded io.github.sadri-dridi/xxh32-len | 0 | Healthy | None | 31 | 241 ms | 2026-10-24T22:50:08.248Z | agents-and-memory |
| YAML validity, body discarded io.github.sadri-dridi/yaml-ok | 0 | Healthy | None | 31 | 36 ms | 2026-10-24T22:50:08.248Z | agents-and-memory |
| Yacc rule count, body discarded io.github.sadri-dridi/yacc-ok | 0 | Healthy | None | 31 | 276 ms | 2026-10-24T22:50:08.247Z | agents-and-memory |
| YAML document-start count, body discarded io.github.sadri-dridi/yaml-doc-ok | 0 | Healthy | None | 31 | 107 ms | 2026-10-24T22:50:08.246Z | productivity |
| xxHash hex length, input discarded io.github.sadri-dridi/xxhash-len | 0 | Healthy | None | 31 | 145 ms | 2026-10-24T22:50:08.243Z | agents-and-memory |
| YAML key count, body discarded io.github.sadri-dridi/yaml-key-count | 0 | Healthy | None | 31 | 173 ms | 2026-10-24T22:50:08.243Z | agents-and-memory |
| XXH3 hex length, input discarded io.github.sadri-dridi/xxh3-len | 0 | Healthy | None | 31 | 310 ms | 2026-10-24T22:50:08.241Z | agents-and-memory |
| YAML anchor count, body discarded io.github.sadri-dridi/yaml-anchor-ok | 0 | Healthy | None | 31 | 180 ms | 2026-10-24T22:50:08.241Z | agents-and-memory |
| UTC start of the current year io.github.sadri-dridi/y-start | 0 | Healthy | None | 31 | 310 ms | 2026-10-24T22:50:08.240Z | agents-and-memory |
| xxHash hex, input discarded io.github.sadri-dridi/xxhash-ok | 0 | Healthy | None | 31 | 15 ms | 2026-10-24T22:45:10.757Z | agents-and-memory |
| XXH64 hex length, input discarded io.github.sadri-dridi/xxh64-len | 0 | Healthy | None | 31 | 24 ms | 2026-10-24T22:45:10.734Z | agents-and-memory |
| XXH3-64 hex length, input discarded io.github.sadri-dridi/xxh3-64 | 0 | Healthy | None | 31 | 17 ms | 2026-10-24T22:45:10.665Z | agents-and-memory |
| XML Schema element count, markup discarded io.github.sadri-dridi/xsd-ok | 0 | Healthy | None | 31 | 20 ms | 2026-10-24T22:45:10.456Z | agents-and-memory |
| XXH3-128 hex length, input discarded io.github.sadri-dridi/xxh3-128 | 0 | Healthy | None | 31 | 17 ms | 2026-10-24T22:45:10.366Z | agents-and-memory |
| XOR-fold length, input discarded io.github.sadri-dridi/xor-len | 0 | Healthy | None | 31 | 91 ms | 2026-10-24T22:45:10.221Z | agents-and-memory |
| WSDL operation count, body discarded io.github.sadri-dridi/wsdl-ok | 0 | Healthy | None | 31 | 61 ms | 2026-10-24T22:45:10.206Z | agents-and-memory |
| XID 24-hex shape, value discarded io.github.sadri-dridi/xid-hex | 0 | Healthy | None | 31 | 60 ms | 2026-10-24T22:45:10.206Z | agents-and-memory |
| XID 20-char shape, value discarded io.github.sadri-dridi/xid-ok | 0 | Healthy | None | 31 | 59 ms | 2026-10-24T22:45:10.206Z | agents-and-memory |
| XID timestamp prefix, value discarded io.github.sadri-dridi/xid-ts | 0 | Healthy | None | 31 | 60 ms | 2026-10-24T22:45:10.206Z | agents-and-memory |
| XML declaration shape, markup discarded io.github.sadri-dridi/xml-decl-ok | 0 | Healthy | None | 31 | 60 ms | 2026-10-24T22:45:10.206Z | agents-and-memory |
| XML numeric-entity count, input discarded io.github.sadri-dridi/xml-numesc | 0 | Healthy | None | 31 | 65 ms | 2026-10-24T22:45:10.206Z | agents-and-memory |
| XML well-formed check, body discarded io.github.sadri-dridi/xml-ok | 0 | Healthy | None | 31 | 69 ms | 2026-10-24T22:45:10.206Z | agents-and-memory |
| XML tag count, body discarded io.github.sadri-dridi/xml-tag-count | 0 | Healthy | None | 31 | 73 ms | 2026-10-24T22:45:10.206Z | agents-and-memory |
| Xxencode charset, input discarded io.github.sadri-dridi/xx-len | 0 | Healthy | None | 31 | 65 ms | 2026-10-24T22:45:10.206Z | agents-and-memory |
| xxencode begin line, input discarded io.github.sadri-dridi/xxdecode-ok | 0 | Healthy | None | 31 | 68 ms | 2026-10-24T22:45:10.206Z | agents-and-memory |
| XXH128 hex length, input discarded io.github.sadri-dridi/xxh128-len | 0 | Healthy | None | 31 | 75 ms | 2026-10-24T22:45:10.206Z | agents-and-memory |
| UTC end of the current year io.github.sadri-dridi/y-end | 0 | Healthy | None | 31 | 68 ms | 2026-10-24T22:45:10.206Z | agents-and-memory |
| XML namespace count, markup discarded io.github.sadri-dridi/xml-ns-ok | 0 | Healthy | None | 31 | 59 ms | 2026-10-24T22:45:10.151Z | agents-and-memory |
| whitespace run count, text discarded io.github.sadri-dridi/ws-ok | 0 | Healthy | None | 31 | 16 ms | 2026-10-24T22:45:09.950Z | agents-and-memory |
| Wine gallons to liters, number discarded io.github.sadri-dridi/winegal-l | 0 | Healthy | None | 31 | 17 ms | 2026-10-24T22:45:09.858Z | agents-and-memory |
| XID shape check io.github.sadri-dridi/xid-shape | 0 | Healthy | None | 31 | 17 ms | 2026-10-24T22:45:09.857Z | agents-and-memory |
| soft-wrap width 80 band, text discarded io.github.sadri-dridi/wrap-ok | 0 | Healthy | None | 31 | 569 ms | 2026-10-24T22:45:09.560Z | agents-and-memory |
| WWW-Authenticate scheme token, value discarded io.github.sadri-dridi/www-auth | 0 | Healthy | None | 31 | 562 ms | 2026-10-24T22:45:09.560Z | agents-and-memory |
| X-Forwarded-Host hostname, value discarded io.github.sadri-dridi/x-fwd-host | 0 | Healthy | None | 31 | 561 ms | 2026-10-24T22:45:09.551Z | agents-and-memory |
| X-Forwarded-For comma count, value discarded io.github.sadri-dridi/xff-count | 0 | Healthy | None | 31 | 71 ms | 2026-10-24T22:45:09.523Z | agents-and-memory |
| WKB endian marker, bytes discarded io.github.sadri-dridi/wkb-ok | 0 | Healthy | None | 31 | 355 ms | 2026-10-24T22:45:09.515Z | agents-and-memory |
| WSDL 2.0 interface count, markup discarded io.github.sadri-dridi/wsdl2-ok | 0 | Healthy | None | 31 | 101 ms | 2026-10-24T22:45:09.514Z | agents-and-memory |
| X-Forwarded-Proto https token, value discarded io.github.sadri-dridi/xfp-https | 0 | Healthy | None | 31 | 101 ms | 2026-10-24T22:45:09.511Z | agents-and-memory |
| XID Base32 charset, value discarded io.github.sadri-dridi/xid-b32 | 0 | Healthy | None | 31 | 114 ms | 2026-10-24T22:45:09.511Z | agents-and-memory |
| WKT geometry token, value discarded io.github.sadri-dridi/wkt-ok | 0 | Healthy | None | 31 | 149 ms | 2026-10-24T22:45:09.498Z | agents-and-memory |
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