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, 17131 passed a full MCP handshake, 8721 are up but need credentials, and 5621 failed or were unreachable (last check 2026-10-22T16:25:27.566Z UTC). How we check.
| Server | Users (30 d) | Handshake | Auth | Tools | Latency | Last checked (UTC) | Category |
|---|---|---|---|---|---|---|---|
| Utility 23 io.github.sadri-dridi/util-023 | 0 | Healthy | None | 31 | 526 ms | 2026-10-22T01:10:25.859Z | agents-and-memory |
| Utility 18 io.github.sadri-dridi/util-018 | 0 | Healthy | None | 31 | 526 ms | 2026-10-22T01:10:25.826Z | agents-and-memory |
| Utility 16 io.github.sadri-dridi/util-016 | 0 | Healthy | None | 31 | 521 ms | 2026-10-22T01:10:25.818Z | agents-and-memory |
| Utility 14 io.github.sadri-dridi/util-014 | 0 | Healthy | None | 31 | 515 ms | 2026-10-22T01:10:25.814Z | agents-and-memory |
| Utility 17 io.github.sadri-dridi/util-017 | 0 | Healthy | None | 31 | 523 ms | 2026-10-22T01:10:25.810Z | agents-and-memory |
| Utility 5 io.github.sadri-dridi/util-005 | 0 | Healthy | None | 31 | 514 ms | 2026-10-22T01:10:25.805Z | agents-and-memory |
| Utility 8 io.github.sadri-dridi/util-008 | 0 | Healthy | None | 31 | 491 ms | 2026-10-22T01:10:25.796Z | agents-and-memory |
| Utility 10 io.github.sadri-dridi/util-010 | 0 | Healthy | None | 31 | 486 ms | 2026-10-22T01:10:25.792Z | agents-and-memory |
| Utility 9 io.github.sadri-dridi/util-009 | 0 | Healthy | None | 31 | 455 ms | 2026-10-22T01:10:25.762Z | agents-and-memory |
| UTF-1 signature bytes, input discarded io.github.sadri-dridi/utf1-sig | 0 | Healthy | None | 31 | 15 ms | 2026-10-22T01:10:24.784Z | agents-and-memory |
| Utility 4 io.github.sadri-dridi/util-004 | 0 | Healthy | None | 31 | 2960 ms | 2026-10-22T01:10:24.738Z | agents-and-memory |
| UTF-8 BOM presence, bytes discarded io.github.sadri-dridi/utf8sig-ok | 0 | Healthy | None | 31 | 2998 ms | 2026-10-22T01:10:24.733Z | agents-and-memory |
| UTF-EBCDIC signature, input discarded io.github.sadri-dridi/utfebcdic-ok | 0 | Healthy | None | 31 | 2974 ms | 2026-10-22T01:10:24.733Z | agents-and-memory |
| Utility 1 io.github.sadri-dridi/util-001 | 0 | Healthy | None | 31 | 3013 ms | 2026-10-22T01:10:24.733Z | agents-and-memory |
| Utility 11 io.github.sadri-dridi/util-011 | 0 | Healthy | None | 31 | 2938 ms | 2026-10-22T01:10:24.733Z | agents-and-memory |
| Utility 12 io.github.sadri-dridi/util-012 | 0 | Healthy | None | 31 | 2948 ms | 2026-10-22T01:10:24.733Z | agents-and-memory |
| UTF-16 code-unit count, text discarded io.github.sadri-dridi/utf16-n | 0 | Healthy | None | 31 | 3324 ms | 2026-10-22T01:10:24.728Z | agents-and-memory |
| UTF-32LE BOM presence, bytes discarded io.github.sadri-dridi/utf32le-ok | 0 | Healthy | None | 31 | 3033 ms | 2026-10-22T01:10:24.728Z | agents-and-memory |
| UTF-8 byte length, text discarded io.github.sadri-dridi/utf8-bytes | 0 | Healthy | None | 31 | 3172 ms | 2026-10-22T01:10:24.728Z | agents-and-memory |
| UTF-8 non-ASCII byte count, input discarded io.github.sadri-dridi/utf8-nb | 0 | Healthy | None | 31 | 3077 ms | 2026-10-22T01:10:24.728Z | agents-and-memory |
| Utility 2 io.github.sadri-dridi/util-002 | 0 | Healthy | None | 31 | 3407 ms | 2026-10-22T01:10:24.728Z | agents-and-memory |
| UTF-16 code-unit run, text discarded io.github.sadri-dridi/utf16-run | 0 | Healthy | None | 31 | 3316 ms | 2026-10-22T01:10:24.724Z | agents-and-memory |
| UTF-32BE BOM presence, bytes discarded io.github.sadri-dridi/utf32be-ok | 0 | Healthy | None | 31 | 3342 ms | 2026-10-22T01:10:24.724Z | agents-and-memory |
| Utility 3 io.github.sadri-dridi/util-003 | 0 | Healthy | None | 31 | 3324 ms | 2026-10-22T01:10:24.723Z | agents-and-memory |
| UTC offset shape like +02:00 io.github.sadri-dridi/utc-offset-ok | 0 | Healthy | None | 30 | 3432 ms | 2026-10-22T01:10:24.721Z | agents-and-memory |
| UPPERCASE run count, text discarded io.github.sadri-dridi/upper-n | 0 | Healthy | None | 31 | 14 ms | 2026-10-22T01:05:17.784Z | agents-and-memory |
| UPPERCASE run length band, text discarded io.github.sadri-dridi/upper-run | 0 | Healthy | None | 31 | 17 ms | 2026-10-22T01:05:17.783Z | agents-and-memory |
| URL encode, input discarded io.github.sadri-dridi/urlencode-ok | 0 | Healthy | None | 31 | 18 ms | 2026-10-22T01:05:17.757Z | agents-and-memory |
| Upgrade protocol token, value discarded io.github.sadri-dridi/upgrade-ok | 0 | Healthy | None | 31 | 17 ms | 2026-10-22T01:05:17.698Z | agents-and-memory |
| http/https scheme check, URL discarded io.github.sadri-dridi/url-scheme-ok | 0 | Healthy | None | 31 | 15 ms | 2026-10-22T01:05:17.671Z | agents-and-memory |
| URL origin only io.github.sadri-dridi/url-origin | 0 | Healthy | None | 31 | 20 ms | 2026-10-22T01:05:17.645Z | agents-and-memory |
| URL Normalize io.github.sadri-dridi/url-normalize | 0 | Healthy | None | 31 | 13 ms | 2026-10-22T01:05:17.598Z | agents-and-memory |
| UPPERCASE charset, value discarded io.github.sadri-dridi/upper-ok | 0 | Healthy | None | 31 | 19 ms | 2026-10-22T01:05:17.576Z | agents-and-memory |
| Unix year number io.github.sadri-dridi/unix-year | 0 | Healthy | None | 31 | 14 ms | 2026-10-22T01:05:17.571Z | agents-and-memory |
| Unix week number io.github.sadri-dridi/unix-week | 0 | Healthy | None | 31 | 15 ms | 2026-10-22T01:05:17.548Z | agents-and-memory |
| Unix seconds to UTC ISO, value discarded io.github.sadri-dridi/unix-to-iso | 0 | Healthy | None | 31 | 18 ms | 2026-10-22T01:05:17.545Z | agents-and-memory |
| Unix seconds to ISO week-date io.github.sadri-dridi/unix-iso-w | 0 | Healthy | None | 31 | 17 ms | 2026-10-22T01:05:17.517Z | agents-and-memory |
| Unix week number from seconds io.github.sadri-dridi/unix-wk | 0 | Healthy | None | 31 | 15 ms | 2026-10-22T01:05:17.516Z | agents-and-memory |
| Whether a number looks like unix milliseconds io.github.sadri-dridi/unix-ms-ok | 0 | Healthy | None | 31 | 14 ms | 2026-10-22T01:05:17.480Z | agents-and-memory |
| Pacific/Port_Moresby clock io.github.sadri-dridi/tz-pacific-port-moresby | 0 | Healthy | None | 31 | 828 ms | 2026-10-22T01:05:17.345Z | agents-and-memory |
| Current UTC hour from unix seconds io.github.sadri-dridi/unix-hr | 0 | Healthy | None | 31 | 12 ms | 2026-10-22T01:05:17.292Z | agents-and-memory |
| Unix month 1-12 from seconds io.github.sadri-dridi/unix-mon | 0 | Healthy | None | 31 | 12 ms | 2026-10-22T01:05:17.291Z | agents-and-memory |
| systemd unit section count, body discarded io.github.sadri-dridi/unitfile-ok | 0 | Healthy | None | 31 | 12 ms | 2026-10-22T01:05:17.276Z | agents-and-memory |
| Unix seconds to ISO date, number discarded io.github.sadri-dridi/unix-iso | 0 | Healthy | None | 31 | 14 ms | 2026-10-22T01:05:17.271Z | agents-and-memory |
| Unix day-of-year from seconds io.github.sadri-dridi/unix-doy | 0 | Healthy | None | 31 | 18 ms | 2026-10-22T01:05:17.270Z | agents-and-memory |
| Unix day number io.github.sadri-dridi/unix-day | 0 | Healthy | None | 31 | 10 ms | 2026-10-22T01:05:17.261Z | agents-and-memory |
| Unix epoch seconds io.github.sadri-dridi/unix-now | 0 | Healthy | None | 31 | 15 ms | 2026-10-22T01:05:17.248Z | agents-and-memory |
| ULID Crockford charset io.github.sadri-dridi/ulid-crockford | 0 | Healthy | None | 31 | 16 ms | 2026-10-22T01:05:17.214Z | agents-and-memory |
| Unicode code-point length, text discarded io.github.sadri-dridi/unicode-len | 0 | Healthy | None | 31 | 11 ms | 2026-10-22T01:05:17.135Z | agents-and-memory |
| ULID 48-bit time prefix, value discarded io.github.sadri-dridi/ulid-time | 0 | Healthy | None | 31 | 594 ms | 2026-10-22T01:05:17.117Z | agents-and-memory |
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