Cron Schedule for Cloudflare Workers — Turns a schedule described in words into cron expressions for Cloudflare Workers Cron Triggers, answered as JSON with the crons and a note. Knows where Cloudflare differs from classic cron, measured on a live Worker - day-of-week 1 is Sunday, so 1-5 runs Sunday to Thursday and 7 is Saturday, while 0 and ? are rejected; times are UTC only. Writes day names instead of numbers, uses L, LW, W and # for last and n-th days, splits intervals that do not divide an…

Security pre-check for any Base network contract before your agent interacts with it (vault, router, token, bridge): built-in powers in its code (mint, pause, blacklist, upgrade, withdraw, self-destruct, delegatecall), proxy and who controls it (a single wallet or a multisig contract), whether the source is publicly verified, with red flags, a risk level and a plain-language verdict. Facts, not financial advice.

BTC and ETH options implied volatility index (Deribit DVOL) - current level, 24h change and regime

Real-time Ethereum price in USD, a median across 6 exchanges including Coinbase, Kraken, Bitstamp and Bullish — Ed25519 signed attestation

ClinVar variants for a gene filtered by clinical significance - counts and latest records

ENS lookup - resolve a .eth name to an address, or an address to its primary name, plus avatar

Exoplanet lookup (NASA Exoplanet Archive) by planet or host star - discovery, orbit, size, mass and host star

Status of 16 cloud and SaaS providers in one call - operational vs degraded

Upcoming asteroid and comet close approaches to Earth (NASA CNEOS) - date, distance, velocity and size

Dividends and splits on a tokenized stock settle by moving its multiplier; balanceOf never changes, so a naive reader is silently wrong. Coinbase announces each one on chain days ahead. This lists every announced action across all tokenized stocks Coinbase lists, plus any ERC-8056 schedule, and with wallet= which touch that wallet's holdings. Lenders pause a stock's reserve while one is applied. Not financial advice.

Echo your public IP, user agent and payment as the server saw them - for debugging an x402 client

Loan payoff with extra payments - monthly payment, months and interest saved, new payoff length and totals versus the original schedule

Polygon area in km2, hectares, acres and square miles from lat,lon vertices, plus perimeter, centroid, bounding box and a point-in-polygon test

SHA-256 hash of any text, plus SHA-1, SHA-512 and MD5 - send text, get the hash digest as hex or base64

Secure random integer in a range plus random bytes as hex and base64

Physics paper search on INSPIRE-HEP - title, authors, citation count, arXiv id and DOI for high energy physics and astrophysics literature

BTC and ETH options max pain strike for an expiry, with put/call open interest ratio

BTC and ETH options chain for an expiry - strike, type, implied volatility, open interest and volume

Geocode a street address or landmark to latitude and longitude - up to five ranked results with country, region and type (OpenStreetMap)

Cron expression explained in plain English with the next run times in any time zone - validates a 5-field cron and handles DST