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, 23686 passed a full MCP handshake, 11720 are up but need credentials, and 4188 failed or were unreachable (last check 2026-11-08T09:50:25.836Z UTC). How we check.
| Server | Users (30 d) | Handshake | Auth | Tools | Latency | Last checked (UTC) | Category |
|---|---|---|---|---|---|---|---|
| HTTP 102 processing io.github.sadri-dridi/http-102 | 0 | Healthy | None | 31 | 1510 ms | 2026-11-06T17:30:47.828Z | agents-and-memory |
| HTTP 103 early-hints io.github.sadri-dridi/http-103 | 0 | Healthy | None | 31 | 1508 ms | 2026-11-06T17:30:47.828Z | agents-and-memory |
| HTTP 300 multiple-choices io.github.sadri-dridi/http-300 | 0 | Healthy | None | 31 | 1500 ms | 2026-11-06T17:30:47.828Z | agents-and-memory |
| HTTP 100 continue io.github.sadri-dridi/http-100 | 0 | Healthy | None | 31 | 1578 ms | 2026-11-06T17:30:47.813Z | agents-and-memory |
| HTTP 400 bad-request io.github.sadri-dridi/http-400 | 0 | Healthy | None | 31 | 1466 ms | 2026-11-06T17:30:47.787Z | agents-and-memory |
| HTTP 206 partial-content io.github.sadri-dridi/http-206 | 0 | Healthy | None | 31 | 17 ms | 2026-11-06T17:30:47.683Z | agents-and-memory |
| BCP 47 lang attribute shape io.github.sadri-dridi/html-lang-ok | 0 | Healthy | None | 31 | 20 ms | 2026-11-06T17:30:46.070Z | agents-and-memory |
| HTML h1 count, markup discarded io.github.sadri-dridi/html-h1-n | 0 | Healthy | None | 31 | 23 ms | 2026-11-06T17:30:46.063Z | agents-and-memory |
| 32 hex chars io.github.sadri-dridi/hex-32 | 0 | Healthy | None | 31 | 20 ms | 2026-11-06T17:30:46.060Z | agents-and-memory |
| HTTP 200 ok io.github.sadri-dridi/http-200 | 0 | Healthy | None | 31 | 20 ms | 2026-11-06T17:30:46.060Z | agents-and-memory |
| Hebrew month 1-13 band io.github.sadri-dridi/hebrew-mo | 0 | Healthy | None | 31 | 20 ms | 2026-11-06T17:30:46.056Z | agents-and-memory |
| Hex encode, input discarded io.github.sadri-dridi/hex-ok | 0 | Healthy | None | 31 | 22 ms | 2026-11-06T17:30:46.056Z | agents-and-memory |
| HQX run-length band, input discarded io.github.sadri-dridi/hqx-ok | 0 | Healthy | None | 31 | 29 ms | 2026-11-06T17:30:46.052Z | agents-and-memory |
| HTML tag count, markup discarded io.github.sadri-dridi/html-tag-count | 0 | Healthy | None | 31 | 18 ms | 2026-11-06T17:30:46.052Z | agents-and-memory |
| HTTP 101 switching-protocols io.github.sadri-dridi/http-101 | 0 | Healthy | None | 31 | 21 ms | 2026-11-06T17:30:46.051Z | agents-and-memory |
| HTML script tag count, markup discarded io.github.sadri-dridi/html-script-n | 0 | Healthy | None | 31 | 18 ms | 2026-11-06T17:30:46.039Z | agents-and-memory |
| html lang attribute shape, markup discarded io.github.sadri-dridi/htmllang-ok | 0 | Healthy | None | 31 | 18 ms | 2026-11-06T17:30:46.039Z | agents-and-memory |
| HSTS max-age band, value discarded io.github.sadri-dridi/hsts-ok | 0 | Healthy | None | 31 | 16 ms | 2026-11-06T17:30:46.029Z | agents-and-memory |
| HTML meta tag count, markup discarded io.github.sadri-dridi/html-meta-n | 0 | Healthy | None | 31 | 13 ms | 2026-11-06T17:30:46.029Z | agents-and-memory |
| HSL tuple shape io.github.sadri-dridi/hsl-ok | 0 | Healthy | None | 31 | 21 ms | 2026-11-06T17:30:46.006Z | agents-and-memory |
| UTC hour io.github.sadri-dridi/hour-utc | 0 | Healthy | None | 31 | 16 ms | 2026-11-06T17:30:45.970Z | agents-and-memory |
| Hostname label count io.github.sadri-dridi/host-labels | 0 | Healthy | None | 31 | 223 ms | 2026-11-06T17:30:45.796Z | agents-and-memory |
| Hostname shape, value discarded io.github.sadri-dridi/host-ok | 0 | Healthy | None | 31 | 226 ms | 2026-11-06T17:30:45.796Z | agents-and-memory |
| UTC hour 0-23 band io.github.sadri-dridi/hour-ok | 0 | Healthy | None | 31 | 184 ms | 2026-11-06T17:30:45.796Z | agents-and-memory |
| HMAC-SHA256 hex length, input discarded io.github.sadri-dridi/hmac-sha256 | 0 | Healthy | None | 31 | 257 ms | 2026-11-06T17:30:45.791Z | agents-and-memory |
| HMAC-SHA256 hex length, input discarded io.github.sadri-dridi/hmac256-len | 0 | Healthy | None | 31 | 223 ms | 2026-11-06T17:30:45.791Z | agents-and-memory |
| HMAC-SHA1 hex length, input discarded io.github.sadri-dridi/hmac1-len | 0 | Healthy | None | 31 | 253 ms | 2026-11-06T17:30:45.790Z | agents-and-memory |
| host:port shape, value discarded io.github.sadri-dridi/host-port-ok | 0 | Healthy | None | 31 | 331 ms | 2026-11-06T17:30:45.789Z | agents-and-memory |
| Hjson comment shape, body discarded io.github.sadri-dridi/hjson-ok | 0 | Healthy | None | 31 | 452 ms | 2026-11-06T17:30:45.788Z | agents-and-memory |
| Hours to seconds io.github.sadri-dridi/hr-to-sec | 0 | Healthy | None | 31 | 448 ms | 2026-11-06T17:30:45.787Z | agents-and-memory |
| Whether Hebrew year is embolismic io.github.sadri-dridi/hebrew-leap | 0 | Healthy | None | 31 | 457 ms | 2026-11-06T17:30:45.771Z | agents-and-memory |
| Hex color to RGB io.github.sadri-dridi/hex-rgb | 0 | Healthy | None | 31 | 438 ms | 2026-11-06T17:30:45.770Z | agents-and-memory |
| Helm chart.yaml name shape, body discarded io.github.sadri-dridi/helm-chart-ok | 0 | Healthy | None | 31 | 438 ms | 2026-11-06T17:30:45.768Z | agents-and-memory |
| HN Front Count io.github.sadri-dridi/hn-front-count | 0 | Healthy | None | 31 | 428 ms | 2026-11-06T17:30:45.767Z | agents-and-memory |
| HTML entity count, markup discarded io.github.sadri-dridi/html-entities-ok | 0 | Healthy | None | 31 | 437 ms | 2026-11-06T17:30:45.766Z | agents-and-memory |
| Uppercase hex charset, input discarded io.github.sadri-dridi/hex-ucase | 0 | Healthy | None | 31 | 57 ms | 2026-11-06T17:30:45.721Z | agents-and-memory |
| Hijri year band io.github.sadri-dridi/hijri-ok | 0 | Healthy | None | 31 | 50 ms | 2026-11-06T17:30:45.348Z | agents-and-memory |
| 16 hex chars io.github.sadri-dridi/hex-16 | 0 | Healthy | None | 31 | 68 ms | 2026-11-06T17:30:45.312Z | agents-and-memory |
| Hebrew year band io.github.sadri-dridi/hebrew-ok | 0 | Healthy | None | 31 | 81 ms | 2026-11-06T17:30:45.298Z | agents-and-memory |
| HKDF-SHA256 output length, input discarded io.github.sadri-dridi/hkdf-len | 0 | Healthy | None | 31 | 64 ms | 2026-11-06T17:30:45.298Z | agents-and-memory |
| HighwayHash 64 hex, input discarded io.github.sadri-dridi/highway64-ok | 0 | Healthy | None | 31 | 79 ms | 2026-11-06T17:30:45.288Z | agents-and-memory |
| HighwayHash64 hex length, input discarded io.github.sadri-dridi/highway64 | 0 | Healthy | None | 31 | 69 ms | 2026-11-06T17:30:45.277Z | agents-and-memory |
| Heading level 1-6 shape io.github.sadri-dridi/heading-n | 0 | Healthy | None | 31 | 53 ms | 2026-11-06T17:30:45.227Z | agents-and-memory |
| Lowercase hex charset, input discarded io.github.sadri-dridi/hex-lower-ok | 0 | Healthy | None | 31 | 73 ms | 2026-11-06T17:30:45.122Z | agents-and-memory |
| k-anonymity 5-hex prefix, value discarded io.github.sadri-dridi/hibp-k | 0 | Healthy | None | 31 | 90 ms | 2026-11-06T17:30:45.092Z | agents-and-memory |
| Hectares to acres io.github.sadri-dridi/hectare-to-acre | 0 | Healthy | None | 31 | 79 ms | 2026-11-06T17:30:45.085Z | agents-and-memory |
| Uppercase hex charset, input discarded io.github.sadri-dridi/hex-upper-ok | 0 | Healthy | None | 31 | 76 ms | 2026-11-06T17:30:45.081Z | agents-and-memory |
| at-handle token count, text discarded io.github.sadri-dridi/handle-n | 0 | Healthy | None | 31 | 75 ms | 2026-11-06T17:30:45.074Z | agents-and-memory |
| HighwayHash hex length, input discarded io.github.sadri-dridi/highway-len | 0 | Healthy | None | 31 | 42 ms | 2026-11-06T17:30:45.043Z | agents-and-memory |
| Contrast ratio vs 4.5 for one hex on white io.github.sadri-dridi/hex-contrast-aa | 0 | Healthy | None | 31 | 40 ms | 2026-11-06T17:30:45.034Z | agents-and-memory |
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