We track 48412 servers from the official MCP Registry. 31745 are hosted (remote); we have health-checked 31473 so far. 280 use templated URLs that need user-specific values and can't be checked. Of those checked, 17138 passed a full MCP handshake, 8721 are up but need credentials, and 5614 failed or were unreachable (last check 2026-10-22T14:50:26.222Z UTC). How we check.
| Server | Users (30 d) | Handshake | Auth | Tools | Latency | Last checked (UTC) | Category |
|---|---|---|---|---|---|---|---|
| ObjectId 4-byte time prefix, value discarded io.github.sadri-dridi/objectid-ts | 0 | Healthy | None | 31 | 71 ms | 2026-10-22T00:20:59.151Z | agents-and-memory |
| UTC offset shape like +02:00 io.github.sadri-dridi/offset-utc | 0 | Healthy | None | 31 | 71 ms | 2026-10-22T00:20:59.151Z | agents-and-memory |
| Mongo ObjectId base64 shape, value discarded io.github.sadri-dridi/objectid-b64 | 0 | Healthy | None | 31 | 619 ms | 2026-10-22T00:20:59.148Z | agents-and-memory |
| Mongo ObjectId 24-hex, value discarded io.github.sadri-dridi/objectid-hex | 0 | Healthy | None | 31 | 134 ms | 2026-10-22T00:20:59.148Z | agents-and-memory |
| Mongo ObjectId shape io.github.sadri-dridi/objectid-shape | 0 | Healthy | None | 31 | 124 ms | 2026-10-22T00:20:59.148Z | agents-and-memory |
| UTC millisecond 0-999 band io.github.sadri-dridi/ms-utc2 | 0 | Healthy | None | 31 | 118 ms | 2026-10-22T00:20:59.146Z | agents-and-memory |
| Open Graph tag count, markup discarded io.github.sadri-dridi/og-tag-count | 0 | Healthy | None | 31 | 98 ms | 2026-10-22T00:20:59.146Z | agents-and-memory |
| Nanometers to meters, number discarded io.github.sadri-dridi/nm-m | 0 | Healthy | None | 31 | 583 ms | 2026-10-22T00:20:59.140Z | agents-and-memory |
| obfuscated integer id band, value discarded io.github.sadri-dridi/obf-id | 0 | Healthy | None | 31 | 578 ms | 2026-10-22T00:20:59.140Z | agents-and-memory |
| Wavefront OBJ vertex count, file discarded io.github.sadri-dridi/obj-ok | 0 | Healthy | None | 31 | 572 ms | 2026-10-22T00:20:59.140Z | agents-and-memory |
| Nanoliters to liters, number discarded io.github.sadri-dridi/nl-l | 0 | Healthy | None | 31 | 28 ms | 2026-10-22T00:20:59.120Z | agents-and-memory |
| npm Name Shape io.github.sadri-dridi/npm-name-shape | 0 | Healthy | None | 31 | 25 ms | 2026-10-22T00:20:59.073Z | developer-tools |
| nupkg nuspec id shape, body discarded io.github.sadri-dridi/nupkg-ok | 0 | Healthy | None | 31 | 17 ms | 2026-10-22T00:20:58.523Z | agents-and-memory |
| Nits to cd/m2, number discarded io.github.sadri-dridi/nit-cd | 0 | Healthy | None | 31 | 18 ms | 2026-10-22T00:20:58.521Z | agents-and-memory |
| UTC nanosecond 9-digit band io.github.sadri-dridi/ns-utc | 0 | Healthy | None | 31 | 18 ms | 2026-10-22T00:20:58.521Z | agents-and-memory |
| LF count, text discarded io.github.sadri-dridi/nl-n | 0 | Healthy | None | 31 | 18 ms | 2026-10-22T00:20:58.516Z | agents-and-memory |
| ni: hash-URI shape, value discarded io.github.sadri-dridi/ni-url | 0 | Healthy | None | 31 | 25 ms | 2026-10-22T00:20:58.512Z | agents-and-memory |
| Nanograms to grams, number discarded io.github.sadri-dridi/ng-g | 0 | Healthy | None | 31 | 21 ms | 2026-10-22T00:20:58.510Z | agents-and-memory |
| Nepers to decibels, number discarded io.github.sadri-dridi/neper-db | 0 | Healthy | None | 31 | 21 ms | 2026-10-22T00:20:58.505Z | agents-and-memory |
| Notion URL Shape io.github.sadri-dridi/notion-url-shape | 0 | Healthy | None | 31 | 16 ms | 2026-10-22T00:20:58.501Z | productivity |
| Nautical miles to kilometers io.github.sadri-dridi/nmi-to-km | 0 | Healthy | None | 31 | 13 ms | 2026-10-22T00:20:58.492Z | agents-and-memory |
| Dutch postcode shape, value discarded io.github.sadri-dridi/nl-postcode | 0 | Healthy | None | 31 | 485 ms | 2026-10-22T00:20:57.974Z | agents-and-memory |
| Nautical miles to kilometers, number discarded io.github.sadri-dridi/nmi-km | 0 | Healthy | None | 31 | 351 ms | 2026-10-22T00:20:57.974Z | agents-and-memory |
| MurmurHash hex, input discarded io.github.sadri-dridi/murmur-ok | 0 | Healthy | None | 31 | 539 ms | 2026-10-22T00:20:57.972Z | agents-and-memory |
| LF vs CRLF vs CR, text discarded io.github.sadri-dridi/newline-kind | 0 | Healthy | None | 31 | 540 ms | 2026-10-22T00:20:57.972Z | agents-and-memory |
| newline run length band, text discarded io.github.sadri-dridi/nl-run | 0 | Healthy | None | 31 | 572 ms | 2026-10-22T00:20:57.972Z | agents-and-memory |
| URL-safe Nano ID charset io.github.sadri-dridi/nanoid-url | 0 | Healthy | None | 31 | 778 ms | 2026-10-22T00:20:57.968Z | agents-and-memory |
| NDJSON shape check, body discarded io.github.sadri-dridi/ndjson-ok | 0 | Healthy | None | 31 | 602 ms | 2026-10-22T00:20:57.968Z | agents-and-memory |
| News Feed Count io.github.sadri-dridi/news-feed-count | 0 | Healthy | None | 31 | 638 ms | 2026-10-22T00:20:57.968Z | search-and-web |
| Nix attr-set brace count, body discarded io.github.sadri-dridi/nix-ok | 0 | Healthy | None | 31 | 635 ms | 2026-10-22T00:20:57.968Z | agents-and-memory |
| NDJSON line count, bodies discarded io.github.sadri-dridi/ndjson-lines | 0 | Healthy | None | 31 | 752 ms | 2026-10-22T00:20:57.965Z | agents-and-memory |
| NEL JSON key count, body discarded io.github.sadri-dridi/nel-ok | 0 | Healthy | None | 31 | 636 ms | 2026-10-22T00:20:57.965Z | agents-and-memory |
| NetFlow version nibble, bytes discarded io.github.sadri-dridi/netflow-ok | 0 | Healthy | None | 31 | 698 ms | 2026-10-22T00:20:57.964Z | agents-and-memory |
| Nano ID shape check io.github.sadri-dridi/nanoid-shape | 0 | Healthy | None | 31 | 788 ms | 2026-10-22T00:20:57.963Z | agents-and-memory |
| nanoid URL-safe charset, value discarded io.github.sadri-dridi/nanoid-ok | 0 | Healthy | None | 31 | 651 ms | 2026-10-22T00:20:57.961Z | agents-and-memory |
| Nano ID length, value discarded io.github.sadri-dridi/nanoid-len | 0 | Healthy | None | 31 | 14 ms | 2026-10-22T00:16:00.416Z | agents-and-memory |
| Murmur hash hex length, input discarded io.github.sadri-dridi/murmur-len | 0 | Healthy | None | 31 | 13 ms | 2026-10-22T00:16:00.244Z | agents-and-memory |
| MurmurHash3-32 hex length, input discarded io.github.sadri-dridi/murmur32 | 0 | Healthy | None | 31 | 13 ms | 2026-10-22T00:16:00.242Z | agents-and-memory |
| MurmurHash3 hex length, input discarded io.github.sadri-dridi/murmur3-len | 0 | Healthy | None | 31 | 13 ms | 2026-10-22T00:16:00.234Z | agents-and-memory |
| MurmurHash3-128 hex length, input discarded io.github.sadri-dridi/murmur128 | 0 | Healthy | None | 31 | 13 ms | 2026-10-22T00:16:00.222Z | agents-and-memory |
| Miles/h to m/s, number discarded io.github.sadri-dridi/mph-ms | 0 | Healthy | None | 31 | 13 ms | 2026-10-22T00:16:00.156Z | agents-and-memory |
| multihash identity codec, value discarded io.github.sadri-dridi/multihash-id | 0 | Healthy | None | 31 | 12 ms | 2026-10-22T00:16:00.155Z | agents-and-memory |
| MurmurHash3 hex length, input discarded io.github.sadri-dridi/murmur3-ok | 0 | Healthy | None | 31 | 11 ms | 2026-10-22T00:16:00.145Z | agents-and-memory |
| multibase prefix charset, value discarded io.github.sadri-dridi/multibase-ok | 0 | Healthy | None | 31 | 16 ms | 2026-10-22T00:16:00.140Z | agents-and-memory |
| multihash prefix shape, value discarded io.github.sadri-dridi/multihash-ok | 0 | Healthy | None | 31 | 16 ms | 2026-10-22T00:16:00.140Z | agents-and-memory |
| MessagePack marker count, body discarded io.github.sadri-dridi/msgpack-ok | 0 | Healthy | None | 31 | 14 ms | 2026-10-22T00:16:00.136Z | agents-and-memory |
| Miles per hour to km/h io.github.sadri-dridi/mph-to-kmh | 0 | Healthy | None | 31 | 13 ms | 2026-10-22T00:16:00.133Z | agents-and-memory |
| UTC millisecond 0-999 band io.github.sadri-dridi/ms-ok | 0 | Healthy | None | 31 | 11 ms | 2026-10-22T00:16:00.133Z | agents-and-memory |
| UTC milliseconds remainder io.github.sadri-dridi/ms-utc | 0 | Healthy | None | 31 | 9 ms | 2026-10-22T00:16:00.129Z | agents-and-memory |
| MP3 frame sync check, file discarded io.github.sadri-dridi/mp3-sync | 0 | Healthy | None | 31 | 13 ms | 2026-10-22T00:16:00.127Z | agents-and-memory |
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