Developer Tool

Daily high/low, precipitation, and conditions for the next N days at any lat/lon (Open-Meteo).

Check source overlap before counting corroboration. Supply 2-10 URLs, optional article HTML and citation chains. Returns duplicate URLs, shared links and supplied-source…

Scan one bounty / task / repository URL before working on it: fetches it (GitHub issues and repos via the API), runs the honeypot pattern scan (hidden HTML-comment instr…

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 exam…

Latest headlines from international outlets via public RSS (BBC, NPR, The Guardian, Al Jazeera, DW, France 24), tech (TechCrunch, The Verge) or Spain (El País), newest f…

Apply an RFC 7396 merge patch to supplied JSON with own-property-safe object construction; no stored data is changed.

List the transform presets for /transform: 58 identity-preserving image-to-image recipes (action figure, pet royalty, CEO portrait, cartoon villain, fantasy poster, stor…

X/Twitter user timeline for AI agents - the latest tweets from any handle, no Twitter API key or login. Up to 20 newest posts with text, date, likes, retweets, replies,…

Generate a PNG QR code URL for payment and onboarding payloads (upstream probed live)

TLS peer certificate subject, issuer, expiry, and authorization status for a public host

Search audiobookbay.lu for audiobooks. Returns up to ~12 result entries with slugs that can be passed to /api/audiobooks/details for magnet links.

Deterministic WMM2025 magnetic field (one location/date). Free sample, no payment required: GET /play/field

BTC funding rate history — per-exchange rates, 18 days. Optional exchange filter. Batch Ed25519 signed. — Ed25519 signed attestation

BTC options expiry dates — next 8 Deribit expiries tagged daily/weekly/monthly/quarterly — Ed25519 signed attestation

Round an amount to a currency's minor units (or an explicit minorUnits) with a chosen rounding mode: half-even (banker's, default), half-up, half-down, ceil, floor or tr…

Total US public debt outstanding, to the penny, latest available

Check if a specific date is a business day in a given country. Accounts for weekends and public holidays. Also returns the next business day if the given date is not one.

Is a date a Korean business day? Weekday, weekend flag, and official Korean public holiday names (including substitute and temporary holidays) from the KASI special-day…

Xynaptic Rail Disruptions FR — active French rail disruptions (grèves, travaux, suppressions, incidents, déraillements) with importance scoring and agent-ready actions.…

Forecast, weather alerts, nearby earthquakes, flood warnings and grid carbon for one latitude/longitude, each with its licence. What is happening at this place? Pass ?la…

Global company lookup: any company worldwide by name, LEI or SEC CIK, with its ownership parents — Genesis402 / UnyKorn Operator Network

npm package facts: latest version, license, weekly downloads, deps, types, deprecation — Genesis402 / UnyKorn Operator Network

Currency conversion at the ECB reference rate (today or a past date) — Genesis402 / UnyKorn Operator Network

Generate a regex from a description and TEST it against your examples — Genesis402 / UnyKorn Operator Network