We track 45543 servers from the official MCP Registry. 29420 are hosted (remote); we have health-checked 29165 so far. 259 use templated URLs that need user-specific values and can't be checked. Of those checked, 16216 passed a full MCP handshake, 7845 are up but need credentials, and 5104 failed or were unreachable (last check 2026-10-18T01:10:41.469Z UTC). How we check.
| Server | Users (30 d) | Handshake | Auth | Tools | Latency | Last checked (UTC) | Category |
|---|---|---|---|---|---|---|---|
| Via protocol hop count, value discarded io.github.sadri-dridi/via-n | 0 | Healthy | None | 31 | 579 ms | 2026-10-17T23:30:32.835Z | agents-and-memory |
| vCard FN field count, body discarded io.github.sadri-dridi/vcf-ok | 0 | Healthy | None | 31 | 488 ms | 2026-10-17T23:30:32.826Z | agents-and-memory |
| Via HTTP/1.1 hop count, value discarded io.github.sadri-dridi/via-http | 0 | Healthy | None | 31 | 553 ms | 2026-10-17T23:30:32.826Z | agents-and-memory |
| VIAF digit id, value discarded io.github.sadri-dridi/viaf-ok | 0 | Healthy | None | 31 | 437 ms | 2026-10-17T23:30:32.826Z | agents-and-memory |
| UUID v4 random-bit layout, value discarded io.github.sadri-dridi/uuid4-ok | 0 | Healthy | None | 31 | 484 ms | 2026-10-17T23:30:32.815Z | agents-and-memory |
| UUID v6 time-reordered layout, value discarded io.github.sadri-dridi/uuid6-ok | 0 | Healthy | None | 31 | 283 ms | 2026-10-17T23:30:32.815Z | agents-and-memory |
| UUID v3 MD5-name layout, value discarded io.github.sadri-dridi/uuid3-ok | 0 | Healthy | None | 31 | 302 ms | 2026-10-17T23:30:32.788Z | agents-and-memory |
| UUID v8 custom layout, value discarded io.github.sadri-dridi/uuid8-ok | 0 | Healthy | None | 31 | 281 ms | 2026-10-17T23:30:32.788Z | agents-and-memory |
| Via hop count, value discarded io.github.sadri-dridi/via-ok | 0 | Healthy | None | 31 | 277 ms | 2026-10-17T23:30:32.788Z | agents-and-memory |
| Vagrant config block count, body discarded io.github.sadri-dridi/vagrant-ok | 0 | Healthy | None | 31 | 250 ms | 2026-10-17T23:30:32.747Z | agents-and-memory |
| vCard shape, body discarded io.github.sadri-dridi/vcard-ok | 0 | Healthy | None | 31 | 235 ms | 2026-10-17T23:30:32.442Z | agents-and-memory |
| Vary header token count, value discarded io.github.sadri-dridi/vary-ok | 0 | Healthy | None | 31 | 32 ms | 2026-10-17T23:25:34.783Z | agents-and-memory |
| Volt-amperes to watts, number discarded io.github.sadri-dridi/va-w | 0 | Healthy | None | 31 | 32 ms | 2026-10-17T23:25:34.758Z | agents-and-memory |
| UUID v7 unix-ms layout, value discarded io.github.sadri-dridi/uuid7-ok | 0 | Healthy | None | 31 | 26 ms | 2026-10-17T23:25:34.749Z | agents-and-memory |
| UUID v5 SHA1-name layout, value discarded io.github.sadri-dridi/uuid5-ok | 0 | Healthy | None | 31 | 33 ms | 2026-10-17T23:25:34.404Z | agents-and-memory |
| Utility 148 io.github.sadri-dridi/util-148 | 0 | Healthy | None | 31 | 38 ms | 2026-10-17T23:25:34.392Z | agents-and-memory |
| Utility 145 io.github.sadri-dridi/util-145 | 0 | Healthy | None | 31 | 37 ms | 2026-10-17T23:25:34.272Z | agents-and-memory |
| Utility 143 io.github.sadri-dridi/util-143 | 0 | Healthy | None | 31 | 63 ms | 2026-10-17T23:25:34.176Z | agents-and-memory |
| UUID v5 name layout, value discarded io.github.sadri-dridi/uuid5-layout | 0 | Healthy | None | 31 | 133 ms | 2026-10-17T23:25:34.155Z | agents-and-memory |
| Utility 142 io.github.sadri-dridi/util-142 | 0 | Healthy | None | 31 | 207 ms | 2026-10-17T23:25:34.076Z | agents-and-memory |
| UUID v1 time layout, value discarded io.github.sadri-dridi/uuid1-layout | 0 | Healthy | None | 31 | 207 ms | 2026-10-17T23:25:34.076Z | agents-and-memory |
| UUID max (all-ones) shape io.github.sadri-dridi/uuid-max-ok | 0 | Healthy | None | 31 | 87 ms | 2026-10-17T23:25:34.028Z | agents-and-memory |
| urn:uuid shape, value discarded io.github.sadri-dridi/uuid-urn | 0 | Healthy | None | 31 | 110 ms | 2026-10-17T23:25:34.028Z | agents-and-memory |
| UUID URN shape, value discarded io.github.sadri-dridi/uuid-urn-ok | 0 | Healthy | None | 31 | 138 ms | 2026-10-17T23:25:34.028Z | agents-and-memory |
| UUID v1 time-based shape io.github.sadri-dridi/uuid-v1-shape | 0 | Healthy | None | 31 | 87 ms | 2026-10-17T23:25:34.028Z | agents-and-memory |
| UUID v5 name-based shape io.github.sadri-dridi/uuid-v5-shape | 0 | Healthy | None | 31 | 110 ms | 2026-10-17T23:25:34.028Z | agents-and-memory |
| UUID v7 time-sortable shape io.github.sadri-dridi/uuid-v7-shape | 0 | Healthy | None | 31 | 110 ms | 2026-10-17T23:25:34.028Z | agents-and-memory |
| UUID v2 DCE layout, value discarded io.github.sadri-dridi/uuid2-ok | 0 | Healthy | None | 31 | 85 ms | 2026-10-17T23:25:34.028Z | agents-and-memory |
| urn:uuid lowercase, value discarded io.github.sadri-dridi/uuid-urn2 | 0 | Healthy | None | 31 | 87 ms | 2026-10-17T23:25:34.004Z | agents-and-memory |
| Random UUID v4 io.github.sadri-dridi/uuid-v4 | 0 | Healthy | None | 31 | 87 ms | 2026-10-17T23:25:34.004Z | agents-and-memory |
| UUID no-hyphen 32-hex, value discarded io.github.sadri-dridi/uuid-nhex | 0 | Healthy | None | 31 | 290 ms | 2026-10-17T23:25:33.907Z | agents-and-memory |
| Utility 141 io.github.sadri-dridi/util-141 | 0 | Healthy | None | 31 | 57 ms | 2026-10-17T23:25:33.797Z | agents-and-memory |
| UUID Mint io.github.sadri-dridi/uuid-mint | 0 | Healthy | None | 31 | 73 ms | 2026-10-17T23:25:33.797Z | agents-and-memory |
| UUID shape check io.github.sadri-dridi/uuid-shape | 0 | Healthy | None | 31 | 57 ms | 2026-10-17T23:25:33.547Z | agents-and-memory |
| UUID Base58 shape, value discarded io.github.sadri-dridi/uuid-b58 | 0 | Healthy | None | 31 | 56 ms | 2026-10-17T23:25:33.510Z | agents-and-memory |
| Nil UUID constant io.github.sadri-dridi/uuid-nil | 0 | Healthy | None | 31 | 55 ms | 2026-10-17T23:25:33.489Z | agents-and-memory |
| Max UUID constant io.github.sadri-dridi/uuid-max | 0 | Healthy | None | 31 | 42 ms | 2026-10-17T23:25:33.397Z | agents-and-memory |
| Nil UUID shape io.github.sadri-dridi/uuid-nil-ok | 0 | Healthy | None | 31 | 105 ms | 2026-10-17T23:25:33.354Z | agents-and-memory |
| UUID Crockford-32 shape, value discarded io.github.sadri-dridi/uuid-b32 | 0 | Healthy | None | 31 | 63 ms | 2026-10-17T23:25:33.334Z | agents-and-memory |
| Uuencode line length band, input discarded io.github.sadri-dridi/uu-len | 0 | Healthy | None | 31 | 63 ms | 2026-10-17T23:25:33.297Z | agents-and-memory |
| Uuencode begin-line shape, input discarded io.github.sadri-dridi/uuencode-ok | 0 | Healthy | None | 31 | 63 ms | 2026-10-17T23:25:33.295Z | agents-and-memory |
| UUID no-hyphen lowercase, value discarded io.github.sadri-dridi/uuid-compact | 0 | Healthy | None | 31 | 63 ms | 2026-10-17T23:25:33.295Z | agents-and-memory |
| Utility 154 io.github.sadri-dridi/util-154 | 0 | Healthy | None | 31 | 47 ms | 2026-10-17T23:25:33.290Z | agents-and-memory |
| Utility 158 io.github.sadri-dridi/util-158 | 0 | Healthy | None | 31 | 91 ms | 2026-10-17T23:25:33.290Z | agents-and-memory |
| Utility 159 io.github.sadri-dridi/util-159 | 0 | Healthy | None | 31 | 53 ms | 2026-10-17T23:25:33.290Z | agents-and-memory |
| begin-line mode shape, input discarded io.github.sadri-dridi/uudecode-ok | 0 | Healthy | None | 31 | 40 ms | 2026-10-17T23:25:33.290Z | agents-and-memory |
| Uuencode length, input discarded io.github.sadri-dridi/uuencode-len | 0 | Healthy | None | 31 | 40 ms | 2026-10-17T23:25:33.290Z | agents-and-memory |
| Utility 155 io.github.sadri-dridi/util-155 | 0 | Healthy | None | 31 | 91 ms | 2026-10-17T23:25:33.225Z | agents-and-memory |
| Utility 157 io.github.sadri-dridi/util-157 | 0 | Healthy | None | 31 | 78 ms | 2026-10-17T23:25:33.216Z | agents-and-memory |
| Utility 149 io.github.sadri-dridi/util-149 | 0 | Healthy | None | 31 | 55 ms | 2026-10-17T23:25:33.195Z | agents-and-memory |
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