MCP Server List
Every MCP server in the official registry that has something to show: 34 729 in total, of which 17 600 answered our last handshake and 3 911 are listed as active but do not respond. Sorted by uptime, real installs and the number of tools each one exposes — not by date added.
New to this? What an MCP server is, and what all 34 729 of them expose — written from our own handshakes, not from the specification.
17 600 answering 12 426 with real installs 265 309 tools indexed
Meaning of HTTP 409.
Meaning of HTTP 412.
Meaning of HTTP 413.
Meaning of HTTP 414.
Meaning of HTTP 415.
Meaning of HTTP 422.
Meaning of HTTP 425.
Meaning of HTTP 426.
Meaning of HTTP 428.
Meaning of HTTP 431.
Meaning of HTTP 451.
Meaning of HTTP 501.
Meaning of HTTP 505.
Meaning of HTTP 507.
Meaning of HTTP 511.
HTTP reason-phrase catalog size
IATA airport code shape
IBAN length/charset, value discarded
iCalendar shape, body discarded
ICAO airport code shape
ICO magic-byte check, file discarded
IDNA label charset, host discarded
Container image tag charset, name discarded
Inches to centimeters
Tabs vs spaces indent, text discarded
INI section count, body discarded
Amazon Ion version marker, body discarded
IPFS CID charset, value discarded
IPv4 shape, address discarded
IPv6 shape, address discarded
IRC channel name shape, value discarded
ISBN-10 digit shape, value discarded
ISBN-13 digit shape, value discarded
UTC ISO date
ISO-8601 timezone offset shape
UTC ISO time only
UTC ISO to unix seconds, value discarded
UTC ISO week-date
ISO 8601 datetime shape
ISSN digit shape
ISSN shape, value discarded
TICKET-123 issue key shape, value discarded
Joules to calories, number discarded
JPEG magic-byte check, file discarded
JS import count, source discarded
JSON top-level key count, values discarded
JSON-LD script count, markup discarded
JSON Lines row count, body discarded
JSON Pointer shape, path discarded
Pretty-print JSON shape, body discarded
JSON Schema keyword count, body discarded
JSONL object-line count, bodies discarded
JSON-LD @type count, body discarded
Julian day number
JWT exp claim shape, token discarded
JWT header segment shape, token discarded
JWT three-part shape, token discarded
Kelvin to celsius
Kubernetes kind token, manifest discarded
kebab-case shape, text discarded
KiB to bytes, number discarded
KiB to bytes
Kilometers to miles, number discarded
Knots to km/h, number discarded
Knots to km/h
KSUID character length
KSUID shape check
KSUID timestamp prefix, value discarded
Liters to US gallons
label[for] count, markup discarded
ARIA landmark count, markup discarded
Lat/lng bounding-box shape
LCM of two integers, numbers discarded
Whether the current UTC year is a leap year
UTC leap-year flag
Line count, text discarded
LIN-123 identifier shape, value discarded
HTML link rel count, markup discarded
Liters to US gallons, number discarded
Lockfile family hint, body discarded
Luhn checksum, number discarded
Lux band check, number discarded
Lux to foot-candles
Meters to feet
MAC address charset, value discarded
MAC address shape, value discarded
mailto: shape, address discarded
Makefile target count, body discarded
Markdown heading count, body discarded
Whether current UTC hour is weekday NYSE window
Maven POM coordinate shape, body discarded
Megabytes to gigabytes
Markdown heading count, text discarded
MD5 hex, input discarded
RFC 6838 media type shape
GET is allowed
POST is allowed on MCP
Meters to feet, number discarded
Public MIME token for csv.
Public MIME token for jpeg.