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Business-day, SLA, cron and recurrence calculations — offline, holiday-aware, no network.
MCP endpoint :https://vessark.com/mcp · website · measurements and detailsCount working days between two dates, add business days to a date, or list public holidays.
MCP endpoint :https://businessdays.openkrill.app/mcp · website · measurements and detailsJapan business days & holidays (official Cabinet Office data). Free tool + x402 USDC paid tools.
MCP endpoint :https://japan-business-day-api.matchan962.workers.dev/mcp · measurements and detailsService level agreement monitoring for the Hive agent fleet
MCP endpoint :https://hive-mcp-sla-monitor.onrender.com/mcp · website · measurements and detailsReliable Australian business-day, public-holiday and deadline tools for AI agents.
MCP endpoint :https://au-business-day.auagentutilities.workers.dev/mcp · website · measurements and detailsWeekday vs weekend
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/business-day/mcp · website · measurements and detailsZero-signup business-day date-math API: add days, count days between dates, is-business-day.
MCP endpoint :https://openworkdays.vercel.app/api/mcp · website · measurements and detailsFind and verify Korean businesses by name or number. 10 free calls/day, then pay-per-call (x402).
MCP endpoint :https://kbv-server-f7vfitmlkq-du.a.run.app/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 detailsProvably correct day-count, calendar, business-day, and schedule math, verified against QuantLib.
Package npm :@jayofemi/shikamaru · website · measurements and detailsJulian day number
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/julian-day/mcp · website · measurements and detailsUnix day number
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/unix-day/mcp · website · measurements and detailsDays in the current UTC month
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/month-days/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 detailsISO ordinal day
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/iso-ordinal/mcp · website · measurements and detailsUTC day of year 1-366
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/day-of-year/mcp · website · measurements and detailsUTC day of year
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/doy-utc/mcp · website · measurements and detailsJulian day number band
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/jd-n/mcp · website · measurements and detailsJulian Day integer band
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/jd-ok/mcp · website · measurements and detailsModified Julian day band
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/mjd-n/mcp · 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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