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, 23734 passed a full MCP handshake, 11763 are up but need credentials, and 4189 failed or were unreachable (last check 2026-11-08T10:15:21.980Z UTC). How we check.
| Server | Users (30 d) | Handshake | Auth | Tools | Latency | Last checked (UTC) | Category |
|---|---|---|---|---|---|---|---|
| KSI to megapascals, number discarded io.github.sadri-dridi/ksi-mpa | 0 | Healthy | None | 31 | 20 ms | 2026-11-06T17:45:46.078Z | agents-and-memory |
| KSUID timestamp prefix, value discarded io.github.sadri-dridi/ksuid-ts | 0 | Healthy | None | 31 | 17 ms | 2026-11-06T17:45:46.078Z | agents-and-memory |
| Knots to km/h io.github.sadri-dridi/knot-to-kmh | 0 | Healthy | None | 31 | 17 ms | 2026-11-06T17:45:46.068Z | agents-and-memory |
| KiB to bytes, number discarded io.github.sadri-dridi/kib-bytes | 0 | Healthy | None | 31 | 19 ms | 2026-11-06T17:45:46.066Z | agents-and-memory |
| Keep-Alive timeout band, value discarded io.github.sadri-dridi/keep-alive-ok | 0 | Healthy | None | 31 | 20 ms | 2026-11-06T17:45:46.054Z | agents-and-memory |
| Keccak-256 hex length, input discarded io.github.sadri-dridi/keccak256 | 0 | Healthy | None | 31 | 14 ms | 2026-11-06T17:45:46.051Z | agents-and-memory |
| Kilohertz to megahertz, number discarded io.github.sadri-dridi/khz-mhz | 0 | Healthy | None | 31 | 12 ms | 2026-11-06T17:45:46.051Z | agents-and-memory |
| Knots to km/h, number discarded io.github.sadri-dridi/knot-kmh | 0 | Healthy | None | 31 | 1350 ms | 2026-11-06T17:45:45.913Z | agents-and-memory |
| km/h to m/s, number discarded io.github.sadri-dridi/kph-ms | 0 | Healthy | None | 31 | 929 ms | 2026-11-06T17:45:45.913Z | agents-and-memory |
| KML Placemark count, body discarded io.github.sadri-dridi/kml-ok | 0 | Healthy | None | 31 | 953 ms | 2026-11-06T17:45:45.895Z | agents-and-memory |
| Keccak-512 hex length, input discarded io.github.sadri-dridi/keccak512 | 0 | Healthy | None | 31 | 1374 ms | 2026-11-06T17:45:45.877Z | agents-and-memory |
| Kips to kilograms, number discarded io.github.sadri-dridi/kip-kg | 0 | Healthy | None | 31 | 856 ms | 2026-11-06T17:45:45.592Z | agents-and-memory |
| Kilograms to pounds io.github.sadri-dridi/kg-to-lb | 0 | Healthy | None | 31 | 922 ms | 2026-11-06T17:45:45.576Z | agents-and-memory |
| kebab-case shape, text discarded io.github.sadri-dridi/kebab-ok | 0 | Healthy | None | 31 | 972 ms | 2026-11-06T17:45:45.566Z | agents-and-memory |
| Kelvin to celsius io.github.sadri-dridi/k-to-c | 0 | Healthy | None | 31 | 974 ms | 2026-11-06T17:45:45.562Z | agents-and-memory |
| kebab-case charset, value discarded io.github.sadri-dridi/kebab-case-ok | 0 | Healthy | None | 31 | 974 ms | 2026-11-06T17:45:45.562Z | agents-and-memory |
| Kilometers to miles, number discarded io.github.sadri-dridi/km-miles | 0 | Healthy | None | 31 | 994 ms | 2026-11-06T17:45:45.562Z | agents-and-memory |
| Kilocalories to kilojoules, number discarded io.github.sadri-dridi/kcal-kj | 0 | Healthy | None | 31 | 982 ms | 2026-11-06T17:45:45.556Z | agents-and-memory |
| Keep-Alive timeout band, value discarded io.github.sadri-dridi/keep-ok | 0 | Healthy | None | 31 | 938 ms | 2026-11-06T17:45:45.556Z | agents-and-memory |
| Language ar io.github.sadri-dridi/lang-ar | 0 | Healthy | None | 31 | 974 ms | 2026-11-06T17:45:45.556Z | agents-and-memory |
| JWT header.payload.sig shape, value discarded io.github.sadri-dridi/jwt-hdr | 0 | Healthy | None | 31 | 965 ms | 2026-11-06T17:45:45.544Z | agents-and-memory |
| JWT header segment shape, token discarded io.github.sadri-dridi/jwt-header-ok | 0 | Healthy | None | 30 | 934 ms | 2026-11-06T17:45:45.475Z | agents-and-memory |
| JWT header shape, payload discarded io.github.sadri-dridi/jwt-header | 0 | Healthy | None | 31 | 19 ms | 2026-11-06T17:45:44.449Z | agents-and-memory |
| JWKS keys array count, body discarded io.github.sadri-dridi/jwks-ok | 0 | Healthy | None | 31 | 310 ms | 2026-11-06T17:45:44.414Z | agents-and-memory |
| JWT exp claim shape, token discarded io.github.sadri-dridi/jwt-exp-shape | 0 | Healthy | None | 31 | 18 ms | 2026-11-06T17:45:44.316Z | agents-and-memory |
| JSON Pointer shape, path discarded io.github.sadri-dridi/json-pointer-ok | 0 | Healthy | None | 31 | 25 ms | 2026-11-06T17:45:44.315Z | agents-and-memory |
| JWT three-part shape, token discarded io.github.sadri-dridi/jwt-shape | 0 | Healthy | None | 31 | 229 ms | 2026-11-06T17:45:44.305Z | agents-and-memory |
| Julian Day integer band io.github.sadri-dridi/jd-ok | 0 | Healthy | None | 31 | 33 ms | 2026-11-06T17:45:44.302Z | agents-and-memory |
| Kubernetes kind token, manifest discarded io.github.sadri-dridi/k8s-kind-ok | 0 | Healthy | None | 31 | 118 ms | 2026-11-06T17:45:44.300Z | cloud-and-infra |
| kebab-case segment count, value discarded io.github.sadri-dridi/kebab-n | 0 | Healthy | None | 31 | 123 ms | 2026-11-06T17:45:44.299Z | agents-and-memory |
| Kilobytes to megabytes io.github.sadri-dridi/kb-to-mb | 0 | Healthy | None | 31 | 143 ms | 2026-11-06T17:45:44.297Z | agents-and-memory |
| JWT header segment shape, token discarded io.github.sadri-dridi/jwt-hdr-ok | 0 | Healthy | None | 31 | 147 ms | 2026-11-06T17:45:44.295Z | agents-and-memory |
| Juche year band io.github.sadri-dridi/juche-ok | 0 | Healthy | None | 31 | 290 ms | 2026-11-06T17:45:44.293Z | agents-and-memory |
| Juche year from UTC io.github.sadri-dridi/juche-yr | 0 | Healthy | None | 31 | 149 ms | 2026-11-06T17:45:44.292Z | agents-and-memory |
| JSONL object-line count, bodies discarded io.github.sadri-dridi/jsonl-ok | 0 | Healthy | None | 31 | 224 ms | 2026-11-06T17:45:44.291Z | agents-and-memory |
| Julian day number io.github.sadri-dridi/julian-day | 0 | Healthy | None | 31 | 265 ms | 2026-11-06T17:45:44.289Z | agents-and-memory |
| ISO week number io.github.sadri-dridi/iso-week | 0 | Healthy | None | 31 | 4024 ms | 2026-11-06T17:40:47.920Z | agents-and-memory |
| UTC ISO to unix seconds, value discarded io.github.sadri-dridi/iso-to-unix | 0 | Healthy | None | 31 | 4022 ms | 2026-11-06T17:40:47.858Z | agents-and-memory |
| UTC ISO date io.github.sadri-dridi/iso-date-utc | 0 | Healthy | None | 31 | 3926 ms | 2026-11-06T17:40:47.814Z | agents-and-memory |
| ISO 3166-1 alpha-2 shape io.github.sadri-dridi/iso3166-ok | 0 | Healthy | None | 31 | 3502 ms | 2026-11-06T17:40:47.724Z | agents-and-memory |
| Pretty-print JSON shape, body discarded io.github.sadri-dridi/json-pretty-ok | 0 | Healthy | None | 31 | 25 ms | 2026-11-06T17:40:46.753Z | agents-and-memory |
| JSON Merge Patch key count, body discarded io.github.sadri-dridi/json-merge-ok | 0 | Healthy | None | 31 | 25 ms | 2026-11-06T17:40:46.748Z | agents-and-memory |
| JSON Lines row count, body discarded io.github.sadri-dridi/json-lines-ok | 0 | Healthy | None | 31 | 19 ms | 2026-11-06T17:40:46.742Z | agents-and-memory |
| JSON Check io.github.sadri-dridi/json-check | 0 | Healthy | None | 31 | 16 ms | 2026-11-06T17:40:46.715Z | agents-and-memory |
| JS import count, source discarded io.github.sadri-dridi/js-import-count | 0 | Healthy | None | 31 | 15 ms | 2026-11-06T17:40:46.489Z | agents-and-memory |
| Jira Key Shape io.github.sadri-dridi/jira-key-shape | 0 | Healthy | None | 31 | 12 ms | 2026-11-06T17:40:46.439Z | productivity |
| JSON-LD @type count, body discarded io.github.sadri-dridi/jsonld-ok | 0 | Healthy | None | 31 | 14 ms | 2026-11-06T17:40:46.429Z | agents-and-memory |
| ISO 8601 datetime shape io.github.sadri-dridi/iso8601-ok | 0 | Healthy | None | 31 | 15 ms | 2026-11-06T17:40:46.408Z | agents-and-memory |
| JSON type-tag count, values discarded io.github.sadri-dridi/json-type-ok | 0 | Healthy | None | 31 | 11 ms | 2026-11-06T17:40:46.407Z | agents-and-memory |
| Julian leap-year check from UTC io.github.sadri-dridi/julian-leap | 0 | Healthy | None | 31 | 15 ms | 2026-11-06T17:40:46.388Z | agents-and-memory |
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