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UK GCSE and A-level exam dates, results days, entry deadlines and spec changes.
MCP endpoint :https://databutler.dev/api/mcp/uk-exam-dates · website · measurements and detailsUK exam-board spec data: which paper is a topic on, spec structures, past-paper links. Verified.
MCP endpoint :https://databutler.dev/api/mcp/uk-exams · website · measurements and detailsCurrent UK tax-year rates and thresholds, verified against gov.uk with source URLs and dates.
MCP endpoint :https://databutler.dev/api/mcp/uk-rates · website · measurements and detailsPublic holidays (UK, US, DE, FR), tax-year dates and DST switches for 2026-2028.
MCP endpoint :https://databutler.dev/api/mcp/calendar · website · measurements and detailsIs this version still supported? End-of-life dates for 14 runtimes and operating systems.
MCP endpoint :https://databutler.dev/api/mcp/software-eol · website · measurements and detailsBank of England, Fed and ECB policy rates, read from the banks' own pages, with dates.
MCP endpoint :https://databutler.dev/api/mcp/policy-rates · website · measurements and detailsUTC 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 detailsVerified facts for AI agents: rates, exams, recalls, holidays, and what changed since your cutoff.
MCP endpoint :https://databutler.dev/api/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 detailsUK government service fees, steps, processing times and recent changes, read from gov.uk.
MCP endpoint :https://databutler.dev/api/mcp/uk-gov-process · 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 detailsFree Companies House deadline checks for UK companies: due dates, penalties, dormancy signals.
MCP endpoint :https://mcp.promptfiling.co.uk/ · 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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