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UTC ISO date
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/iso-date-utc/mcp · website · measurements and detailsUTC ISO week-date
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/iso-week-date/mcp · website · measurements and detailsEstimate a due date from LMP, conception, or ultrasound, with ACOG redating rules.
MCP endpoint :https://due-date.gumballtools.com/api/mcp · website · measurements and detailsHTTP-date IMF-fixdate shape, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/date-http/mcp · website · measurements and detailsDeterministic date arithmetic with auditable receipts: business days, due dates, holidays.
MCP endpoint :https://mcp.tilwhen.com/mcp · website · measurements and detailsUTC ISO ordinal date
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ordinal-utc/mcp · website · measurements and detailsDate arithmetic: day differences, business days, age, leap years, day-of-week, add/subtract.
MCP endpoint :https://apished.com/mcp/v1/datemath · website · measurements and detailsUTC ISO week-date shape
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/weekdate-utc/mcp · website · measurements and detailsExpires HTTP-date shape, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/expires-ok/mcp · website · measurements and detailsUTC ISO ordinal date YYYY-DDD
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/iso-ord/mcp · website · measurements and detailsUnix seconds to ISO week-date
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/unix-iso-w/mcp · website · measurements and detailsISO date to unix seconds, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/iso-unix/mcp · website · measurements and detailsLast-Modified HTTP-date shape, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/lastmod-ok/mcp · website · measurements and detailsRetry-After integer-or-date, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/retry-ok/mcp · website · measurements and detailsUnix seconds to ISO date, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/unix-iso/mcp · website · measurements and detailsUTC ISO week-date YYYY-Www-D
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/weekdate-ok/mcp · website · measurements and detailsIf-Modified-Since HTTP-date, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/if-mod-ok/mcp · website · measurements and detailsIf-Unmodified-Since HTTP-date, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/if-unmod-ok/mcp · website · measurements and detailsyesterday/today/tomorrow from a UTC date
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/relative-day-utc/mcp · website · measurements and detailsReturns the actual current date/time in a given format and IANA timezone.
MCP endpoint :https://apished.com/mcp/v1/datetime · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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