Remote MCP Servers
Servers you connect to by URL — nothing to install. All 21 317 of them have a network address, which means their uptime can actually be measured: 17 666 answered our last handshake and 4 968 ask who you are first, most of them through a browser sign-in rather than a key. Checked every 15 minutes.
17 666 answering 4 968 ask who you are 95% on streamable-http 263 554 tools
Revolutions per second to hertz, number discarded
reStructuredText directive count, body discarded
scrypt N cost band, value discarded
SCSU window-tag count, input discarded
SCSU BOM presence, input discarded
Whether UTC second can be 60
UTC second 0-60 band
semicolon-separated token count, value discarded
semicolon token count, value discarded
sentence count, text discarded
Server product-token count, value discarded
SHA-1 hex length, input discarded
SHACL NodeShape count, body discarded
short-uuid sid charset, value discarded
SipHash-4-8 hex length, input discarded
SOAP Envelope shape, markup discarded
Motorola S-record count, input discarded
Alt-Svc h3 host:port shape, value discarded
SysML block count, body discarded
TEI div count, markup discarded
Tiger-160 hex length, input discarded
Tiger-192 hex length, input discarded
Tk tracking status token, value discarded
W3C traceparent 4-part shape, value discarded
TriG graph-brace count, body discarded
Micrograms to grams, number discarded
Microliters to liters, number discarded
ULID monotonic counter bits, value discarded
UML XMI packagedElement count, markup discarded
UTF-1 signature bytes, input discarded
UTF-8 non-ASCII byte count, input discarded
UUID Crockford-32 shape, value discarded
UUID Base58 shape, value discarded
Via HTTP/1.1 hop count, value discarded
whitespace run length band, text discarded
WSDL 2.0 interface count, markup discarded
X-Forwarded-Host hostname, value discarded
X-Forwarded-Port integer band, value discarded
XID Base32 charset, value discarded
XID 24-hex shape, value discarded
XML Schema element count, markup discarded
XXH3-128 hex length, input discarded
XXH3-64 hex length, input discarded
Yacc rule count, body discarded
Ascii85 <~ ~> frame, input discarded
Intel HEX record count, input discarded
PostgreSQL bigserial band, value discarded
pg bigserial 64-bit band, value discarded
Board feet to cubic meters, number discarded
Buddhist era year from UTC
Discord snowflake worker bits, id discarded
Discordian season 1-5 band
grapheme-cluster run, text discarded
Hashids alphabet length, value discarded
Whether Hebrew year is embolismic
HTML numeric-entity count, input discarded
MSSQL IDENTITY integer band, value discarded
Whether Indian national year is leap
Instagram-style shard id shape, value discarded
Whether Islamic year is leap
Islamic calendar month 1-12 band
UTC ISO week-year century
UTC ISO decade start year
UTC Thursday of the current ISO week
Whether current UTC year has 52 ISO weeks
Japanese era year band
Julian leap-year check from UTC
Long hundredweight to kilograms, number discarded
multihash identity codec, value discarded
Nepers to decibels, number discarded
Mongo ObjectId base64 shape, value discarded
PascalCase hump count, value discarded
form-urlencoded percent/plus mix, input discarded
Whether Persian year is leap
Culinary pinches to milliliters, number discarded
Imperial pints to liters, number discarded
Firebase push-id entropy charset, value discarded
Imperial quarts to liters, number discarded
Register tons to cubic meters, number discarded
shortuuid hex charset, value discarded
Approximate sidereal hour band
Smidgens to milliliters, number discarded
snake_case segment count, value discarded
snake_case segment count, value discarded
Snowflake sequence bits, id discarded
Snowflake worker-id bits, id discarded
Mean solar noon UTC-hour band
Whether current UTC month is a solstice month
UK sort-code hyphenated shape, value discarded
UK sort code 6-digit shape, value discarded
Sqids blocklist-safe charset, value discarded
SSRI sha384 digest shape, value discarded
Stones to pounds, number discarded
Imperial tablespoons to milliliters, number discarded
Therms to megajoules, number discarded
Cassandra unixTimeUUID layout, value discarded
Title Case token length band, text discarded
Tonnes to kilograms, number discarded
Tons of refrigeration to kW, number discarded
Civil twilight hour-band UTC
Why this list is short on names you know
Vendors publish one server each. Stripe, Notion, Figma, Slack, Linear — one entry apiece, no competing copies.
What does produce dozens of entries under one name is hosting: 75 servers sit on
clauxel.com, 66 on alpic.live, most of them someone's staging
environment that ended up in the registry. They are listed here like everything else,
with whatever status they actually have.