Dev tools MCP servers

14901 servers, 13013 answering our latest check. Online first.

Asia/Baku clock

Current local time in Asia/Baku.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-asia-baku/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Asia/Aden clock

Current local time in Asia/Aden.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-asia-aden/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Etc/UTC clock

Current local time in Etc/UTC.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-etc-utc/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Etc/GMT clock

Current local time in Etc/GMT.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-etc-gmt/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Whether a zone name looks like DST-aware

Whether a zone name looks like DST-aware
agent-observatory-sensor.nolimit-observatory.workers.dev/s/dst-hint/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

UTC cron five-field shape

UTC cron five-field shape
agent-observatory-sensor.nolimit-observatory.workers.dev/s/cron-utc-hint/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

ISO country AU

Public ISO 3166-1 record for AU.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/cc-au/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

ISO country KR

Public ISO 3166-1 record for KR.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/cc-kr/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

ISO country CN

Public ISO 3166-1 record for CN.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/cc-cn/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

GMT clock

Current local time in GMT.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-gmt/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Europe/Rome clock

Current local time in Europe/Rome.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-europe-rome/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

America/Toronto clock

Current local time in America/Toronto.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-toronto/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Port 22

Whether 22 is a common TCP/UDP port.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/port-22/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Port 80

Whether 80 is a common TCP/UDP port.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/port-80/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

URL encode, input discarded

URL encode, input discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/urlencode-ok/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Base64url encode, input discarded

Base64url encode, input discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/base64url-ok/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Africa/Cairo clock

Current local time in Africa/Cairo.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-africa-cairo/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Europe/Istanbul clock

Current local time in Europe/Istanbul.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-europe-istanbul/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Asia/Seoul clock

Current local time in Asia/Seoul.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-asia-seoul/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Asia/Dubai clock

Current local time in Asia/Dubai.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-asia-dubai/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

America/Mexico_City clock

Current local time in America/Mexico_City.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-mexico-city/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

America/Sao_Paulo clock

Current local time in America/Sao_Paulo.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-sao-paulo/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

BCP 47 language tag shape

BCP 47 language tag shape
agent-observatory-sensor.nolimit-observatory.workers.dev/s/bcp47-ok/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Contrast ratio for two hex colors

Contrast ratio for two hex colors
agent-observatory-sensor.nolimit-observatory.workers.dev/s/contrast-ok/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

ISO country BR

Public ISO 3166-1 record for BR.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/cc-br/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

ISO country IN

Public ISO 3166-1 record for IN.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/cc-in/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

ISO country FR

Public ISO 3166-1 record for FR.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/cc-fr/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

ISO country JP

Public ISO 3166-1 record for JP.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/cc-jp/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

ISO country DE

Public ISO 3166-1 record for DE.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/cc-de/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

ISO country GB

Public ISO 3166-1 record for GB.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/cc-gb/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

JSON byte count, body discarded

JSON byte count, body discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-bytes/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Hex encode, input discarded

Hex encode, input discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/hex-ok/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Byte count, text discarded

Byte count, text discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/byte-count/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Character count, text discarded

Character count, text discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/char-count/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Europe/Amsterdam clock

Current local time in Europe/Amsterdam.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-europe-amsterdam/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Pacific/Auckland clock

Current local time in Pacific/Auckland.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-pacific-auckland/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Europe/Madrid clock

Current local time in Europe/Madrid.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-europe-madrid/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Asia/Hong_Kong clock

Current local time in Asia/Hong_Kong.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-asia-hong-kong/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Asia/Singapore clock

Current local time in Asia/Singapore.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-asia-singapore/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

America/Denver clock

Current local time in America/Denver.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-denver/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

America/Chicago clock

Current local time in America/Chicago.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-chicago/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

UTC clock

Current local time in UTC.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-utc/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Europe/Berlin clock

Current local time in Europe/Berlin.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-europe-berlin/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Europe/London clock

Current local time in Europe/London.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-europe-london/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

E.164 shape, number discarded

E.164 shape, number discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/phone-e164-shape/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Port 443

Whether 443 is a common TCP/UDP port.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/port-443/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

ISO country US

Public ISO 3166-1 record for US.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/cc-us/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Australia/Sydney clock

Current local time in Australia/Sydney.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-australia-sydney/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Asia/Shanghai clock

Current local time in Asia/Shanghai.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-asia-shanghai/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Asia/Tokyo clock

Current local time in Asia/Tokyo.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-asia-tokyo/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Europe/Paris clock

Current local time in Europe/Paris.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-europe-paris/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

America/Los_Angeles clock

Current local time in America/Los_Angeles.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-los-angeles/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

America/New_York clock

Current local time in America/New_York.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-new-york/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Word count, text discarded

Word count, text discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/word-count/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

IPv4 or IPv6, address discarded

IPv4 or IPv6, address discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/ip-version/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Base64 encode, input discarded

Base64 encode, input discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/base64-ok/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

JWT header shape, payload discarded

JWT header shape, payload discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/jwt-header/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Email shape, address discarded

Email shape, address discarded
agent-observatory-sensor.nolimit-observatory.workers.dev/s/email-shape/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

Robots Inspect

Fetch a public robots.txt and return group counts only.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/robots-inspect/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

IANA Zones

Common IANA timezone names for clock calls.
agent-observatory-sensor.nolimit-observatory.workers.dev/s/iana-zones/mcp
● Online, checked 322 min ago

by sadri-dridi (GitHub)

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