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, 23739 passed a full MCP handshake, 11764 are up but need credentials, and 4183 failed or were unreachable (last check 2026-11-08T12:10:22.273Z UTC). How we check.
| Server | Users (30 d) | Handshake | Auth | Tools | Latency | Last checked (UTC) | Category |
|---|---|---|---|---|---|---|---|
| snake_case segment count, value discarded io.github.sadri-dridi/snake-ok2 | 0 | Healthy | None | 31 | 921 ms | 2026-11-06T18:40:43.632Z | agents-and-memory |
| SpookyHash64 hex length, input discarded io.github.sadri-dridi/spooky64-ok | 0 | Healthy | None | 31 | 911 ms | 2026-11-06T18:40:43.628Z | agents-and-memory |
| UK sort-code hyphenated shape, value discarded io.github.sadri-dridi/sort-hyphen | 0 | Healthy | None | 31 | 900 ms | 2026-11-06T18:40:43.624Z | agents-and-memory |
| Snowflake worker-id bits, id discarded io.github.sadri-dridi/snowflake-worker | 0 | Healthy | None | 31 | 909 ms | 2026-11-06T18:40:43.346Z | data-and-databases |
| SPDX license expression tokens, value discarded io.github.sadri-dridi/spdx-expr-ok | 0 | Healthy | None | 31 | 16 ms | 2026-11-06T18:40:42.154Z | agents-and-memory |
| Sonyflake timestamp bits, value discarded io.github.sadri-dridi/sonyflake-ts | 0 | Healthy | None | 31 | 15 ms | 2026-11-06T18:40:42.151Z | agents-and-memory |
| snake_case segment count, value discarded io.github.sadri-dridi/snake-seg | 0 | Healthy | None | 31 | 247 ms | 2026-11-06T18:40:41.954Z | agents-and-memory |
| SOAP Envelope shape, markup discarded io.github.sadri-dridi/soap-ok | 0 | Healthy | None | 31 | 38 ms | 2026-11-06T18:40:41.934Z | agents-and-memory |
| SM3 hex length, input discarded io.github.sadri-dridi/sm3-len | 0 | Healthy | None | 31 | 46 ms | 2026-11-06T18:40:41.931Z | agents-and-memory |
| Snowflake timestamp bits, value discarded io.github.sadri-dridi/snowflake-ts2 | 0 | Healthy | None | 31 | 41 ms | 2026-11-06T18:40:41.931Z | data-and-databases |
| S/MIME PKCS7 fence, body discarded io.github.sadri-dridi/smime-ok | 0 | Healthy | None | 31 | 235 ms | 2026-11-06T18:40:41.929Z | agents-and-memory |
| Sonyflake digit shape, value discarded io.github.sadri-dridi/sonyflake-ok | 0 | Healthy | None | 31 | 49 ms | 2026-11-06T18:40:41.927Z | agents-and-memory |
| snake_case shape, text discarded io.github.sadri-dridi/snake-ok | 0 | Healthy | None | 31 | 210 ms | 2026-11-06T18:40:41.922Z | agents-and-memory |
| Mean solar noon UTC-hour band io.github.sadri-dridi/solar-noon | 0 | Healthy | None | 31 | 59 ms | 2026-11-06T18:40:41.922Z | agents-and-memory |
| Snowflake id shape io.github.sadri-dridi/snowflake-shape | 0 | Healthy | None | 31 | 71 ms | 2026-11-06T18:40:41.920Z | data-and-databases |
| Snowflake sequence bits, id discarded io.github.sadri-dridi/snowflake-seq | 0 | Healthy | None | 31 | 93 ms | 2026-11-06T18:40:41.914Z | data-and-databases |
| Snowflake 63-bit digit shape, value discarded io.github.sadri-dridi/snowflake-ok | 0 | Healthy | None | 31 | 114 ms | 2026-11-06T18:40:41.913Z | data-and-databases |
| SNI hostname shape, value discarded io.github.sadri-dridi/sni-ok | 0 | Healthy | None | 31 | 158 ms | 2026-11-06T18:40:41.908Z | agents-and-memory |
| Slug character check io.github.sadri-dridi/slug-ok | 0 | Healthy | None | 31 | 205 ms | 2026-11-06T18:40:41.902Z | agents-and-memory |
| snake_case segment count, value discarded io.github.sadri-dridi/snake-n | 0 | Healthy | None | 31 | 190 ms | 2026-11-06T18:40:41.899Z | agents-and-memory |
| Slugs to kilograms, number discarded io.github.sadri-dridi/slug-kg | 0 | Healthy | None | 31 | 212 ms | 2026-11-06T18:40:41.897Z | agents-and-memory |
| Tutors.kz kz.tutors/tutors | 0 | Healthy | None | 4 | 544 ms | 2026-11-06T18:35:49.334Z | other |
| Aura tl.aura/aura | 0 | Healthy | None | 18 | 659 ms | 2026-11-06T18:35:49.189Z | communication |
| Sitemap URL count, body discarded io.github.sadri-dridi/sitemap-url-count | 0 | Healthy | None | 31 | 16 ms | 2026-11-06T18:35:48.729Z | agents-and-memory |
| Slack Webhook Shape io.github.sadri-dridi/slack-webhook-shape | 0 | Healthy | None | 31 | 27 ms | 2026-11-06T18:35:48.595Z | communication |
| SipHash hex length, input discarded io.github.sadri-dridi/siphash-ok | 0 | Healthy | None | 31 | 30 ms | 2026-11-06T18:35:48.593Z | agents-and-memory |
| Smidgens to milliliters, number discarded io.github.sadri-dridi/smidgen-ml | 0 | Healthy | None | 31 | 26 ms | 2026-11-06T18:35:48.591Z | agents-and-memory |
| Smile binary header, bytes discarded io.github.sadri-dridi/smile-ok | 0 | Healthy | None | 31 | 25 ms | 2026-11-06T18:35:48.591Z | agents-and-memory |
| Short-UUID charset, value discarded io.github.sadri-dridi/shortuuid-ok | 0 | Healthy | None | 31 | 24 ms | 2026-11-06T18:35:48.589Z | agents-and-memory |
| shortuuid hex charset, value discarded io.github.sadri-dridi/shortuuid-hex | 0 | Healthy | None | 31 | 21 ms | 2026-11-06T18:35:48.584Z | agents-and-memory |
| SipHash-4-8 hex length, input discarded io.github.sadri-dridi/sip128 | 0 | Healthy | None | 31 | 21 ms | 2026-11-06T18:35:48.583Z | agents-and-memory |
| Shots to milliliters, number discarded io.github.sadri-dridi/shot-ml | 0 | Healthy | None | 31 | 21 ms | 2026-11-06T18:35:48.580Z | agents-and-memory |
| Slack channel name shape, value discarded io.github.sadri-dridi/slack-channel-ok | 0 | Healthy | None | 31 | 18 ms | 2026-11-06T18:35:48.575Z | communication |
| SHA-384 hex length, input discarded io.github.sadri-dridi/sha384-ok | 0 | Healthy | None | 31 | 18 ms | 2026-11-06T18:35:48.566Z | agents-and-memory |
| slash-separated token count, value discarded io.github.sadri-dridi/slash-n | 0 | Healthy | None | 31 | 14 ms | 2026-11-06T18:35:48.566Z | agents-and-memory |
| slash-separated charset, value discarded io.github.sadri-dridi/slash-ok | 0 | Healthy | None | 31 | 14 ms | 2026-11-06T18:35:48.566Z | agents-and-memory |
| SM3 hex length, input discarded io.github.sadri-dridi/sm3-ok | 0 | Healthy | None | 31 | 11 ms | 2026-11-06T18:35:48.553Z | agents-and-memory |
| SipHash-2-4 hex length, input discarded io.github.sadri-dridi/sip64-len | 0 | Healthy | None | 31 | 18 ms | 2026-11-06T18:35:48.544Z | agents-and-memory |
| SHA-3 hex length, input discarded io.github.sadri-dridi/sha3-ok | 0 | Healthy | None | 31 | 16 ms | 2026-11-06T18:35:48.357Z | agents-and-memory |
| SHA-256 hex length, input discarded io.github.sadri-dridi/sha256-len | 0 | Healthy | None | 31 | 12 ms | 2026-11-06T18:35:48.355Z | agents-and-memory |
| Approximate sidereal hour band io.github.sadri-dridi/sidereal-hr | 0 | Healthy | None | 31 | 14 ms | 2026-11-06T18:35:48.329Z | agents-and-memory |
| sidereal day fraction band io.github.sadri-dridi/sidereal-ok | 0 | Healthy | None | 31 | 423 ms | 2026-11-06T18:35:48.116Z | agents-and-memory |
| SHA-224 hex length, input discarded io.github.sadri-dridi/sha224-len | 0 | Healthy | None | 31 | 352 ms | 2026-11-06T18:35:48.107Z | agents-and-memory |
| SHA-224 hex length, input discarded io.github.sadri-dridi/sha224-ok | 0 | Healthy | None | 31 | 464 ms | 2026-11-06T18:35:48.107Z | agents-and-memory |
| SHAKE128 hex length band, input discarded io.github.sadri-dridi/shake128-ok | 0 | Healthy | None | 31 | 456 ms | 2026-11-06T18:35:48.107Z | agents-and-memory |
| POSIX shell quote shape, input discarded io.github.sadri-dridi/shell-esc | 0 | Healthy | None | 31 | 499 ms | 2026-11-06T18:35:48.107Z | developer-tools |
| short-uuid sid charset, value discarded io.github.sadri-dridi/sid-ok | 0 | Healthy | None | 31 | 490 ms | 2026-11-06T18:35:48.107Z | agents-and-memory |
| SHA-384 hex length, input discarded io.github.sadri-dridi/sha384-len | 0 | Healthy | None | 31 | 1056 ms | 2026-11-06T18:35:48.102Z | agents-and-memory |
| SHA-512 hex length, input discarded io.github.sadri-dridi/sha512-len | 0 | Healthy | None | 31 | 1024 ms | 2026-11-06T18:35:48.102Z | agents-and-memory |
| Shebang interpreter token, line discarded io.github.sadri-dridi/shebang-ok | 0 | Healthy | None | 31 | 506 ms | 2026-11-06T18:35:48.102Z | agents-and-memory |
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