Profile a CSV (delimiter auto-detected): rows, columns, type of each column, nulls, unique values, min, max, mean, median, std, sum, top values, duplicate rows and a sample. Understand a dataset before using it.

Hazard snapshot for a US street address: FEMA flood zone (and whether it is a Special Flood Hazard Area) plus active National Weather Service alerts. Sources: US Census geocoder, FEMA NFHL, NOAA.

Retirement calendar for AI models across platforms: shutdown dates, 'not sooner than' floors, states and recommended replacements from the official Anthropic, OpenAI and Amazon Bedrock deprecation pages, plus Azure, Vertex, Gemini and others, recorded daily so moved dates show. The same model often retires on different dates on different platforms. One model with model=, or upcoming shutdowns. Signed.

Our weekly census of 65,000 top sites: how many sites and stores publish UCP or ACP agent-checkout profiles, agent and MCP cards and llms.txt, which AI crawlers stores block, store platforms, and changes in the last 30 days. With signal=, the stores that have it (for example signal=ucp), most-linked first. Signed.

Perpetual futures calculator (isolated margin): liquidation price and distance, notional and size, PnL at stop-loss and take-profit, reward/risk ratio, and position sizing to risk a fixed USD amount.

Euro area AAA government bond yield curve (zero-coupon, 3 months to 30 years) estimated by the ECB, with change in basis points versus N days ago and the 10y-2y slope.

Real effective exchange rate index (2010 = 100) from the World Bank: rises mean the currency gets dearer and the country loses competitiveness. Ranking with the latest annual change, or one country's yearly series.

Spanish Official State Gazette (BOE) daily summary: every item of a given day with section, department and official links, filterable by section (e.g. civil service exams 'oposiciones', appointments, public procurement), department or title keywords.

Email validation: syntax, domain MX records and disposable-domain flag. Sends no email; the address is not stored.

Recent additions to the EU consolidated sanctions list (persons and entities designated in the last N days) with program (country or regime), type and date. Keep a compliance screen up to date.

Email security of a domain: MX, SPF (final policy, multiple-record and lookup-limit problems), DMARC (policy, subdomains, reporting), MTA-STS, TLS-RPT and BIMI, with a score and recommendations. Detects spoofable domains.

Date facts (weekday, ISO week, quarter, day of year, leap year), exact difference between two dates in years, months, days, weeks and Mon-Fri working days, and adding or subtracting days, months or years (end-of-month safe).

Safety recall campaigns for a vehicle by make, model and year in the US: affected component, summary, consequence, remedy, date, over-the-air fix and do-not-drive flags. Official NHTSA data.

Generate a barcode as SVG (EAN-13, EAN-8, UPC-A, ISBN, ISSN, Code 128, Code 39, ITF, GS1-128...) for labels and products, computing the check digit when missing.

Year-on-year growth of euro area money supply M1, M2 and M3, month by month. A leading indicator of inflation and liquidity. Official ECB data.

Upcoming macro events with UTC date and time: US BLS releases (jobs report, CPI, PPI, JOLTS, wages...), Federal Reserve FOMC rate decisions and ECB monetary policy decisions. Filter by days ahead, text or high-impact only.

Historical ECB euro reference exchange rate for any date since 1999 and conversion between any two published currencies.

Recent changes to AI model prices and availability across providers, newest first: price cuts and raises per field (with the change), models added and removed, context-window changes and deprecation dates, for the last 1 to 90 days, optionally by provider or model name. Source: LiteLLM's open price file (MIT), recorded daily. Signed.

Distance between two coordinates (Vincenty geodesic on WGS84 plus great-circle), in km, miles and nautical miles, initial bearing and compass direction, midpoint and estimated time on foot, by car and by plane.

Convert Arabic numbers to Roman numerals (1-3999) and Roman to Arabic, validating the canonical form (MCMXCIV) and suggesting the correct one.