Which MCP servers actually work?

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, 23681 passed a full MCP handshake, 11727 are up but need credentials, and 4186 failed or were unreachable (last check 2026-11-08T07:50:28.758Z UTC). How we check.

ServerUsers (30 d)HandshakeAuthToolsLatencyLast checked (UTC)Category
Regulations.gov
com.1102tools/regulations-gov-mcp
0HealthyNone91398 ms2026-11-06T16:40:45.865Zproductivity
Canadian postal code shape, value discarded
io.github.sadri-dridi/ca-postcode
0HealthyNone3111 ms2026-11-06T16:40:45.851Zagents-and-memory
Bytes to MiB
io.github.sadri-dridi/bytes-mib
0HealthyNone318 ms2026-11-06T16:40:45.840Zagents-and-memory
Aura DNA
io.github.ishtiaqrahman/aura-dna
0HealthyNone61761 ms2026-11-06T16:40:45.836Zfinance-and-payments
dfwmetro.net directory
io.github.cexplayer01/dfwmetro-directory
0HealthyNone3926 ms2026-11-06T16:40:45.791Zagents-and-memory
Cargo.toml package name shape, body discarded
io.github.sadri-dridi/cargo-toml-ok
0HealthyNone31275 ms2026-11-06T16:40:45.641Zdeveloper-tools
Fresh cache hint
io.github.sadri-dridi/cache-fresh
0HealthyNone31729 ms2026-11-06T16:40:45.639Zagents-and-memory
Cache-Control token count, value discarded
io.github.sadri-dridi/cache-control-ok
0HealthyNone31741 ms2026-11-06T16:40:45.638Zagents-and-memory
Celsius to Fahrenheit
io.github.sadri-dridi/c-to-f
0HealthyNone31743 ms2026-11-06T16:40:45.636Zagents-and-memory
Mise — Meal Planner, Grocery List & Calories
io.github.Rsiran/mise
0HealthyNone41237 ms2026-11-06T16:40:45.635Zecommerce
Celsius to kelvin, number discarded
io.github.sadri-dridi/c-k
0HealthyNone31740 ms2026-11-06T16:40:45.634Zagents-and-memory
C string escape count, input discarded
io.github.sadri-dridi/c-esc-n
0HealthyNone31740 ms2026-11-06T16:40:45.628Zagents-and-memory
Byte count, text discarded
io.github.sadri-dridi/byte-count
0HealthyNone31851 ms2026-11-06T16:40:45.624Zagents-and-memory
BSON document-length band, body discarded
io.github.sadri-dridi/bson-ok
0HealthyNone31832 ms2026-11-06T16:40:45.620Zproductivity
Buddhist year band
io.github.sadri-dridi/buddhist-ok
0HealthyNone31839 ms2026-11-06T16:40:45.618Zagents-and-memory
Bytes to KiB
io.github.sadri-dridi/bytes-kib
0HealthyNone31853 ms2026-11-06T16:40:45.614Zagents-and-memory
BTU to watt-hours, number discarded
io.github.sadri-dridi/btu-wh
0HealthyNone31871 ms2026-11-06T16:40:45.611Zagents-and-memory
FinChiefs research
com.finchiefs/research
0HealthyNone131212 ms2026-11-06T16:40:45.082Zfinance-and-payments
PodPitch
io.github.nealshulman/podpitch
0HealthyNone51923 ms2026-11-06T16:40:44.647Zmarketing-and-seo
BLAKE3 hex length, input discarded
io.github.sadri-dridi/blake3-len
0HealthyNone31323 ms2026-11-06T16:40:44.645Zagents-and-memory
Weekday vs weekend
io.github.sadri-dridi/business-day
0HealthyNone31473 ms2026-11-06T16:40:44.638Zagents-and-memory
BIMI location URL shape, value discarded
io.github.sadri-dridi/bimi-ok
0HealthyNone31500 ms2026-11-06T16:40:44.631Zagents-and-memory
BTU to kilojoules, number discarded
io.github.sadri-dridi/btu-kj
0HealthyNone31501 ms2026-11-06T16:40:44.625Zagents-and-memory
Whether current UTC hour is 09-17
io.github.sadri-dridi/business-hours-utc
0HealthyNone31489 ms2026-11-06T16:40:44.536Zagents-and-memory
Buddhist era year from UTC
io.github.sadri-dridi/buddhist-yr
0HealthyNone31478 ms2026-11-06T16:40:44.524Zagents-and-memory
Braille pattern count, input discarded
io.github.sadri-dridi/braille-ok
0HealthyNone31484 ms2026-11-06T16:40:44.515Zagents-and-memory
BOCU-1 signature, input discarded
io.github.sadri-dridi/bocu-ok
0HealthyNone31476 ms2026-11-06T16:40:44.507Zagents-and-memory
API Blueprint group count, body discarded
io.github.sadri-dridi/blueprint-ok
0HealthyNone31468 ms2026-11-06T16:40:44.499Zagents-and-memory
Browser URL Check
io.github.sadri-dridi/browser-url-ok
0HealthyNone31453 ms2026-11-06T16:40:44.477Zbrowser-automation
Canli Capital
io.github.arhancanli/canli-mcp
0HealthyNone3247 ms2026-11-06T16:40:43.799Zfinance-and-payments
unsigned 64-bit decimal shape, value discarded
io.github.sadri-dridi/bigint-ok
0HealthyNone31134 ms2026-11-06T16:40:43.741Zagents-and-memory
BSB 6-digit shape, value discarded
io.github.sadri-dridi/bsb-ok
0HealthyNone31329 ms2026-11-06T16:40:43.734Zagents-and-memory
blank-line count, text discarded
io.github.sadri-dridi/blank-ok
0HealthyNone31313 ms2026-11-06T16:40:43.706Zagents-and-memory
Board feet to cubic meters, number discarded
io.github.sadri-dridi/boardft-m3
0HealthyNone31242 ms2026-11-06T16:40:43.687Zagents-and-memory
pg bigserial 64-bit band, value discarded
io.github.sadri-dridi/bigserial-pg
0HealthyNone31304 ms2026-11-06T16:40:43.674Zagents-and-memory
PostgreSQL bigserial band, value discarded
io.github.sadri-dridi/bigserial-ok
0HealthyNone31240 ms2026-11-06T16:40:43.672Zagents-and-memory
BNF production count, body discarded
io.github.sadri-dridi/bnf-ok
0HealthyNone31389 ms2026-11-06T16:40:43.662Zagents-and-memory
BLAKE2s hex length, input discarded
io.github.sadri-dridi/blake2s-len
0HealthyNone31230 ms2026-11-06T16:40:43.656Zagents-and-memory
Ascii85 length, input discarded
io.github.sadri-dridi/base85-ok
0HealthyNone31371 ms2026-11-06T16:40:43.652Zagents-and-memory
Anime Garden
garden.animes/animegarden
0HealthyNone11703 ms2026-11-06T16:35:49.215Zmarketing-and-seo
bcrypt cost prefix check, hash discarded
io.github.sadri-dridi/bcrypt-cost-ok
0HealthyNone31643 ms2026-11-06T16:35:49.040Zagents-and-memory
Bech32 charset, input discarded
io.github.sadri-dridi/bech32-ok
0HealthyNone31634 ms2026-11-06T16:35:49.040Zagents-and-memory
Cucutime Kids Songs
org.cucutime/mcp
0HealthyNone5361 ms2026-11-06T16:35:49.007Zai-and-media
BIC 8-char shape, value discarded
io.github.sadri-dridi/bic-8
0HealthyNone31953 ms2026-11-06T16:35:48.870Zagents-and-memory
BLAKE2s hex length, input discarded
io.github.sadri-dridi/blake-ok
0HealthyNone31430 ms2026-11-06T16:35:48.870Zagents-and-memory
Baudot 5-bit band, input discarded
io.github.sadri-dridi/baudot-ok
0HealthyNone31955 ms2026-11-06T16:35:48.740Zagents-and-memory
BLAKE3 hex length, input discarded
io.github.sadri-dridi/blake3-ok
0HealthyNone31180 ms2026-11-06T16:35:47.840Zagents-and-memory
Brake horsepower to kW, number discarded
io.github.sadri-dridi/bhp-kw
0HealthyNone311166 ms2026-11-06T16:35:47.834Zagents-and-memory
Base62 id charset, value discarded
io.github.sadri-dridi/base62-id
0HealthyNone31955 ms2026-11-06T16:35:47.746Zagents-and-memory
BIC/SWIFT shape, value discarded
io.github.sadri-dridi/bic-ok
0HealthyNone31808 ms2026-11-06T16:35:47.746Zagents-and-memory

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