Cron Expression Explainer

Explain a cron expression (5 fields, names like mon-fri, or @daily) in plain English and list its next run times in any UTC offset. Use to check schedules before deploying jobs.

Bitcoin network fee rates in sat/vB for next block, 30 minutes, 1 hour and economy, plus mempool size, block height and the cost of a typical payment. Use right before sending BTC.

Current weather and a daily forecast (up to 9 days) for any city, address or coordinates: temperature, min/max, humidity, wind, clouds, pressure, sky and precipitation, from the Norwegian Meteorological Institute. Use for travel, events, logistics or energy planning.

Encode or decode text: base64, base64url, hex, URL percent-encoding, HTML entities, ROT13, binary, Unicode escapes and punycode, or detect to try decoding unknown input.

Current EIP-1559 gas fees for Ethereum, Base, Arbitrum, Optimism or Polygon: next base fee, slow/standard/fast priority and max fee in gwei, block utilisation and the cost of a plain transfer (L2 L1-data fees excluded). Use right before sending a transaction or to compare chains.

Official ECB reference exchange rates for about 35 currencies (USD, EUR, GBP, JPY, CNY, INR, AED, SAR and more) for today or any date since 1999, from any base currency, with optional amount conversion. Use to convert prices, invoices or salaries between currencies.

US Treasury par yield curve from 1 month to 30 years (percent) for the latest day or any date since 1990, with 10y-2y and 10y-3m spreads, inversion flag and up to 60 days of history. Use for risk-free rates, discounting, macro analysis or answering where 10-year yields are.

User reviews of an iPhone/iPad app from Apple's public App Store reviews feed, by app id or store URL: rating, title, text, date, app version and helpful votes, plus average rating and rating counts. Up to 500 per country. Use for app feedback analysis, bug reports or competitor research.

Search the Apple App Store for a keyword through Apple's official iTunes Search API and get up to 50 apps in store rank order with full details: developer, rating, price, version and update date. Use for keyword/ASO research or finding competitors.

Look up any EVM chain by chain ID or name (8453, base, arbitrum): chain ID in decimal and hex, native currency, public RPC URLs, block explorers and testnet flag. Use to configure wallets, RPCs or cross-chain apps.

Trending or newly launched DEX pools on Base, Solana, Ethereum, BSC and more: token, price, FDV, liquidity, 24h volume, price change and buy/sell counts. Use to spot new memecoins and momentum early.

The Crypto Fear & Greed Index (0 extreme fear to 100 extreme greed) for today, with up to a year of daily history. Use as a market-sentiment signal for trading, newsletters or answering how the crypto market feels.

Search open Polymarket prediction markets by keyword (election, bitcoin, fed, AI...) and get each event's markets with live outcome probabilities, best bid/ask, 24h and total volume, liquidity, end date and link. Use to answer what the market thinks will happen, or to find a market to trade.

Public holidays of 150+ countries and their states/regions, or stock-market holidays (NYSE, ECB TARGET), for any year, and whether a given date is a holiday or business day with the next business day. Use for scheduling, delivery dates, payroll or market-open checks.

Read any RSS or Atom feed (or a website that links one) and get clean JSON items: title, link, date, author, summary text, categories and image, plus feed title and language. Use to monitor blogs, news sites, podcasts or release notes without parsing XML.

Internet Archive Wayback Machine snapshots of a URL: the capture closest to a date, plus the first and latest captures, with direct archive links. Use to see how a page looked before or recover deleted content.

API prices of 400+ LLMs (OpenAI, Anthropic, Google, DeepSeek, Llama, Qwen...) per million input/output tokens with context length, searchable by name and sortable by price, context or newest.

Count a text's tokens and estimate the cost of one call on popular LLMs (or the models you list), input plus an expected number of output tokens, and whether it fits each context window.

Details of an iPhone/iPad app from Apple's official iTunes Lookup API, by app id or store URL: title, bundle id, developer and website, rating, rating count, price, genre, version, size, release and update dates. Use for app research or competitor tracking.

AWS EC2 on-demand hourly and monthly prices in 21 regions: one instance type, or the cheapest types with at least N vCPUs and GB of memory in a family (GPU, m7i, Compute optimized...). Linux or Windows.

Balance of a Bitcoin address (confirmed and pending), total received and sent, transaction count and its latest 10 transactions with net amount. Use to check a BTC payment or wallet.

Status of a Bitcoin transaction: confirmed or pending, confirmations, block, time, fee and fee rate, RBF flag, inputs and outputs. Use to confirm a BTC payment or decide whether to bump a fee.

OHLCV candles for a crypto pair from Coinbase Exchange at 1m, 5m, 15m, 1h, 6h or 1d, up to 300, oldest first. Use for charting, technical indicators (RSI, moving averages) and backtests.

Blockchains ranked by DeFi total value locked with share of the market, gas token and chain id. Use to compare ecosystems (Ethereum, Solana, Base, Arbitrum...) or track where capital is moving.

Convert an amount of any token (BTC, ETH, SOL, symbols or chain:address) into one or more fiat currencies (USD, EUR, GBP, AED, JPY, ~35 more), with the price per unit each way. Use for invoices, accounting or pricing in local currency.

Decentralized exchange volume: total market 24h/7d and the top DEXs (Uniswap, Aerodrome, Raydium...) with 24h, 7d, 30d volume and daily change, for all chains or one chain. Use to compare DEX activity or chain usage.

Resolve an ENS name (vitalik.eth) or Basename (jesse.base.eth) to its address and profile records (avatar, url, twitter, github, email, description), or an address to its verified primary name. Use before sending funds to a name or to show who owns a wallet.

Centralized crypto exchanges ranked by trust score or adjusted 24h volume: name, volume, markets, supported fiat currencies, website and notices such as hacks. Use to pick a venue or check one.

Crypto protocols ranked by fees paid by users or revenue kept (Tether, Circle, Uniswap, Hyperliquid, chains...) over 24h, 7d and 30d, for all chains or one chain. Use for fundamental analysis and protocol valuation.

Total crypto market capitalisation, 24h volume, Bitcoin dominance, 24h change and distance from the all-time high, in one call. Use for a market summary or risk-on/risk-off context.

Current USD price and 24h change for up to 20 crypto tokens per call, by symbol (BTC, ETH, SOL, PEPE), CoinGecko id or chain:contract address (base:0x833589..., ethereum:0x...). Covers thousands of coins and on-chain tokens. Use for portfolio valuation, trading decisions or answering what a token costs now.

Stablecoins ranked by circulating supply (USDT, USDC, USDe, DAI...) with 1-day, 7-day and 30-day supply change, peg price, mechanism and main chains, plus total USD stablecoin supply. Use to track liquidity flowing into crypto.

Live spot price of a crypto pair on Coinbase and Kraken: bid, ask, last, 24h open/high/low and volume, and the price gap between the two exchanges. Use for an exact executable price or a quick arbitrage check.

Facts about an ERC-20 contract read from the chain (Ethereum, Base, Arbitrum, Optimism, Polygon): name, symbol, decimals, total supply, USD price and fully diluted value. Use to verify a token address before trading or integrating it.

Top cryptocurrencies by market cap (up to 250) with price, 1h/24h/7d change, volume, all-time high and supply, optionally within a CoinGecko category (layer-1, meme-token, artificial-intelligence, real-world-assets). Use for market overviews and screeners.

Coins trending on CoinGecko right now (most searched in 24h) with price, 24h change, market cap and volume, plus trending categories. Use to spot what retail is looking at or find narratives gaining attention.

Status of an EVM transaction by hash: pending, success or failed, block, confirmations, timestamp, from/to, value, gas used, fee (plus L1 fee on Base/Optimism) and ERC-20 token transfers. Searches Ethereum, Base, Arbitrum, Optimism and Polygon if no chain is given. Use to confirm a payment settled.

A Rust crate on crates.io: latest stable version, description, license, total and 90-day downloads, repository, docs, minimum Rust version and dates. Use to choose or audit a Rust dependency.

Details of a CVE by id: description, CVSS score, severity and vector, CWE, whether it is in CISA's Known Exploited list, affected products (CPE) and references, from NVD with CVE.org fallback. Use for security triage and patch prioritisation.

An npm package's latest version, description, license, repository, dependencies, peer dependencies, TypeScript types, size, publish dates, deprecation and weekly downloads. Use to choose or audit a JavaScript dependency.

A Python package on PyPI: latest version, summary, license, required Python, dependencies, release date, project links and daily/weekly/monthly downloads. Use to choose or audit a Python dependency.

Balance of any ERC-20 token (contract address, or USDC/USDT/DAI by symbol) for a wallet or ENS name on Ethereum, Base, Arbitrum, Optimism or Polygon: raw and decimal-adjusted amount, symbol and decimals; up to 20 tokens per call. Use before transfers, swaps or payments.

Read a raw storage slot of any contract (eth_getStorageAt), also decoded as uint and address. Use for proxy slots, packed variables and debugging.

This week's macroeconomic calendar: CPI, jobs, GDP, PMIs and central-bank decisions with time (UTC), currency, impact, forecast and previous value. Filter by impact (High, Medium, Low) and currency.

Any FRED economic time series by id or alias: CPI, core PCE, unemployment, payrolls, GDP, fed funds, SOFR, Treasury yields, mortgage rates, M2, oil, VIX, jobless claims... Latest value, change, 1-year % change and history. Use for macro analysis and economic questions.

Validate an IBAN: country, correct length, ISO 13616 checksum, bank code and BBAN, with a reason when invalid (likely typo, wrong length). Works offline for about 80 countries. Use before sending a bank transfer or saving payout details.

Look up legal entities in the global LEI register (GLEIF) by company name or 20-character LEI: exact legal name, status, legal form, jurisdiction, registration number, address and LEI renewal date. Use for KYC, counterparty checks and company identification.

Validate an EU VAT number live against the official EU VIES service, returning valid/invalid and the registered company name and address where the member state shares them. Use for B2B invoicing, reverse charge checks and KYC. Unavailable member states return an error and are not charged.

Facts about a country by name or ISO code: official name, capital, region, languages, currencies, calling code, borders, area, internet TLD, coordinates, UN membership and flag. Use to enrich addresses, forms and datasets.

Recent earthquakes worldwide or within a radius of a point (USGS): magnitude, place, time, depth, tsunami flag, PAGER alert and felt reports, over the last hour, day, week or month. Use for risk monitoring and news.

Turn an address, place or landmark into coordinates with a structured address, or coordinates into the nearest address (reverse), from OpenStreetMap. Use for maps, delivery, distance calculations or location lookups.

Places for a postal or ZIP code in about 60 countries: place names, state or region and coordinates. Use to validate addresses, fill forms or locate customers.

Sunrise, sunset, solar noon, day length, sun elevation, moonrise, moonset, moon phase and illumination for any place (name or coordinates) and date. Use for photography, prayer and event planning, solar or outdoor work.

Food product details from its EAN/UPC barcode: name, brand, quantity, ingredients, allergens, Nutri-Score, NOVA processing group, Eco-Score and nutrients per 100 g, from Open Food Facts. Use for nutrition apps, shopping assistants or allergy checks.

Universities worldwide by name and/or country, with official websites and email domains. Use to verify academic email addresses, fill forms or build education lists.

Search openly licensed images (Creative Commons and public domain) from Flickr, Wikimedia and museums via Openverse: image URL, size, creator, license and a ready-made attribution line. Filter to commercially usable images. Use to illustrate posts, slides or sites legally.

Hacker News stories by keyword (by relevance or newest) or the current front page: title, link, points, comment count, author, time and discussion URL. Use to see what developers are discussing about a topic.

Latest electricity generation by source (MW) for a European country (DE, FR, NL, PL, IT, AT, CH, BE...): wind, solar, nuclear, gas, coal, hydro, batteries, total load, net imports, renewable share and CO2 intensity. Use for energy dashboards, trading context or emissions reporting.

Great Britain electricity carbon intensity (gCO2/kWh) now, nationally or for a postcode region, with the generation mix (wind, gas, nuclear, solar, imports) and a half-hourly forecast up to 48h including the lowest-carbon slot. Use to schedule EV charging, heat pumps or compute jobs.

Search Manifold Markets, the largest play-money prediction community, for open questions on AI, tech, science, politics and more, with probability, volume, bettor count and close date. Use for crowd forecasts on topics real-money markets don't cover.

Most active open Polymarket events right now, ranked by 24h volume, total volume or liquidity, optionally by tag (crypto, politics, sports, economy, tech, ai). Each event lists its markets with live probabilities. Use to see what traders are betting on today.

Find books by title, author or ISBN (Open Library): authors, first publication year, editions, pages, ISBNs, subjects, publishers, languages, rating and cover image. Use for book lookups, reading lists or metadata.

Search published research papers and articles across all publishers (Crossref): title, authors, journal, year, DOI, citation count and abstract, by relevance, date or citations. Use to find and cite sources.

Detect the language of a text among 55 languages, with probabilities for each candidate and a reliability flag. Use to route messages, pick a translator or tag content.

Statistics for a text: words, sentences, characters, paragraphs, reading and speaking time, Flesch reading ease, Flesch-Kincaid grade, Gunning fog, complex-word share, lexical diversity and top keywords. Use to check copy, essays or SEO content.

Find words by relation: synonyms, antonyms, rhymes, near rhymes, sound-alikes, spelling patterns with * and ? wildcards, words that mean something, adjectives describing a noun and more, ranked with definitions. Use for copywriting, naming, poetry and puzzles.

Find US-listed companies by name or ticker (e.g. 'nvidia', 'bank of america', 'TSLA'): ticker, exact SEC registrant name and CIK, best matches first. Use to resolve a company name before calling other SEC tools.

Generate a QR code for any text, URL, wallet address or payment link as SVG or PNG, returned inline as SVG markup and a base64 data URI ready for HTML or chat. Choose size, border and error correction. Use when a user needs a scannable code for a link, Wi-Fi, contact or crypto payment.

Convert a date-time (or now) from one time zone to several others, by IANA name, city or abbreviation (Dubai, New York, PST, CET): local time, UTC offset, abbreviation, DST flag and weekday. Use to schedule meetings across time zones.

Business contact details of a company website: generic company emails (info@, sales@, support@), company phone numbers, company social pages (LinkedIn, Facebook, Instagram, X, YouTube and more), name and address, from the home, contact, about and imprint pages. Personal emails are left out. Use to find how to reach a business.

DNS records of a domain: A, AAAA, MX, TXT, NS, CNAME, SOA and CAA, plus SPF and DNSSEC status, via Cloudflare/Google DNS-over-HTTPS. Use to check where a domain points, its mail servers, verification TXT records or why email or a website is failing.

Fetch a URL's HTTP response headers with the full redirect chain, status, server, caching and a security grade (A-F) based on HSTS, CSP, X-Frame-Options and other headers, listing what is missing. Use for security reviews, redirect debugging or SEO checks.

Who owns an IP address (or a hostname's IP): ASN, network holder, announced prefix, regional registry, country, approximate city and coordinates, reverse DNS. Use for fraud checks, log analysis or finding a site's host.

Every link on a web page with its anchor text, split into internal and external, with nofollow flags and the most-linked external domains. Use for SEO audits, crawling, backlink research or broken-link checks.

A site's robots.txt rules per user agent, whether AI crawlers (GPTBot, ClaudeBot, Google-Extended, CCBot, PerplexityBot) are blocked, and the URLs listed in its sitemap. Use before crawling a site or for SEO audits.

TLS certificate of a domain: whether it is valid, issuer, subject, valid-from and expiry dates, days left, all SAN hostnames, TLS version and cipher. Use for uptime/expiry monitoring or security checks.

Lead summary of the Wikipedia article that best matches a topic, in any language edition: title, short description, summary paragraph, image, coordinates, Wikidata id and link. Use for quick factual background on a person, place, company or concept.

Search Hugging Face models by name and task (text-generation, image-text-to-text, automatic-speech-recognition...), sorted by trending, downloads, likes or newest, with license and links.

US safety recalls for a vehicle make, model and year from NHTSA: campaign number, date, component, summary, consequence, remedy and do-not-drive or park-outside warnings. Use before buying or servicing.

Decode a vehicle VIN (cars, trucks, motorcycles sold in the US): make, model, year, trim, body, engine, fuel and electrification, drive, transmission, plant and safety equipment, with a validity check. Source: NHTSA vPIC.

Azure retail prices for a VM SKU (e.g. Standard_D4s_v5, Standard_NC24ads_A100_v4) in one region or all regions: Linux and Windows pay-as-you-go, spot and 1/3-year reserved hourly rates, cheapest region first.

Hourly GPU rental prices on RunPod (secure and community cloud, on-demand and spot) for H100, H200, B200, A100, L40S, RTX 4090/5090 and more, cheapest first. Use to budget training or inference.

Screen a person or company name against the US Treasury OFAC SDN list including aliases, with fuzzy matching: match score, entity type, sanctions programs and remarks. Use for KYC, payouts and onboarding.

Check up to 50 crypto addresses (ETH, BTC, TRX, USDT, SOL and more) against the OFAC SDN list's digital currency addresses: PASS or BLOCK with the sanctioned party and program. Use as a pre-payment AML gate.

Balances of a wallet address or ENS name on Ethereum, Base, Arbitrum, Optimism and Polygon in one call: native ETH/POL, USDC, USDT, DAI and any ERC-20 contracts you add, each with USD value and a total. Use to check whether a wallet is funded, value a portfolio or confirm a payment arrived.

Full profile of a coin by symbol or CoinGecko id: description, website, X/Twitter, GitHub, categories, contract addresses per chain, price, market cap, FDV, volume, 24h/7d/30d/1y change, all-time high/low and supply. Use for token research or due diligence.

DEX trading pairs for a token symbol, name or contract address across all chains (DexScreener): price, liquidity, 24h volume, 1h/24h change, buys/sells, FDV, market cap and pair age, deepest liquidity first. Use to price new or small tokens and check if they can be traded.

A coin's perpetual funding rate and open interest on OKX, Bitget, Gate, Kraken Futures and Hyperliquid, annualized side by side, with the widest long/short funding spread. Use for funding arbitrage, crowding and sentiment checks.

Deribit BTC or ETH futures term structure: each expiry's price, premium over the index and annualized basis, plus the perpetual's premium. Use for cash-and-carry yields or sentiment.

A Hyperliquid wallet's open perp positions (side, size, entry, value, unrealized PnL, leverage, liquidation price, funding), margin summary and spot balances. Use to track whales or your own account.

Price of a coin in KRW on Upbit and Bithumb with 24h change, high/low and volume, plus the kimchi premium versus the global USD price. Use for Korea arbitrage signals and local pricing.

Supply and borrow APYs across DeFi lending markets (Aave, Compound, Morpho, Spark, Venus...) by token, chain or protocol: net borrow rate, utilisation, TVL, total borrowed and max LTV. Sort by supply_apy, borrow_apy (cheapest first) or tvl. Use to find the best place to lend or borrow.

Recent forced liquidations of a coin's USDT perpetual on OKX: time, side, price, size in coin and USD, with totals of longs vs shorts liquidated and the largest ones.

Latest crypto news from CoinDesk, Cointelegraph, Decrypt and The Block in one feed, newest first, with title, link, time, summary and tags; filter by keyword or coin (BTC, ETH, SOL, ETF, Base). Use to explain a price move, brief a trader or monitor a project.

Deribit BTC or ETH options: open interest and volume of calls vs puts, put/call ratio, and per expiry the max-pain strike and at-the-money implied volatility, plus the DVOL volatility index.

Spot order book on OKX, Gate or Kraken: best bid/ask, spread in bps, USD depth within 0.5%, 1% and 2% of mid, and the average fill price and slippage to market-buy or sell a given USD size.

Perpetual futures on Hyperliquid: hourly funding rate and APR, open interest, 24h volume, mark and oracle price, max leverage, for chosen coins or ranked by open interest, funding or volume. Use for funding arbitrage, leverage sentiment and basis trades.

Daily USD price history of any token (symbol, CoinGecko id or chain:address) for up to 365 days with high, low and % change, or its exact price on a past date. Use for charts, backtests, cost basis or 'what was ETH worth on...' questions.

DeFi protocols by total value locked (DefiLlama): look up one protocol (aave, uniswap, lido) or rank them by chain and category (Lending, Dexs, Liquid Staking, Bridge...) with TVL, 1d/7d change, market cap and chains. Use for DeFi research and protocol comparisons.

SOL and SPL token balances of a Solana wallet (Token and Token-2022), with USD values and total where a price is known. Use to check a Solana wallet or confirm a payment arrived.

Whale alerts: the largest recent ERC-20 transfers (default USDC over $1M) in the latest blocks, with sender, receiver, amount and mint/burn flag. Works for USDC, USDT, DAI or any token on 5 EVM chains.

Best DeFi yields right now: lending, staking and liquidity pools across all chains and protocols, with APY (base + rewards), 30-day mean APY, TVL, stablecoin flag and impermanent-loss risk. Filter by chain, protocol, token and minimum TVL; sort by APY or TVL. Use to find where to earn on USDC, ETH etc.

Aave V3 position of any wallet: collateral, debt and remaining borrowing power in USD, LTV, liquidation threshold, health factor and how far collateral can fall before liquidation. Use for liquidation alerts.

DeFi protocols whose TVL grew or shrank most over 1 hour, 1 day or 7 days, filtered by chain, category and minimum TVL, with net flow. Use to see where capital is moving.

Lint a Dockerfile for security and best practice: unpinned or latest images, running as root, secrets in ENV/ARG, curl piped to sh, ADD of URLs, apt and pip caches, sudo, chmod 777, missing HEALTHCHECK. Scored.

Known security vulnerabilities for an open-source package from OSV (GitHub advisories, PyPA, RustSec, Go): id, CVE aliases, summary, severity, fixed versions, for all versions or one version. Ecosystems: npm, PyPI, Go, Maven, crates.io, RubyGems, NuGet, Packagist. Use before installing or upgrading.

Long-term solar irradiance for any location on Earth (NASA POWER, 2001-2025) by month, with temperature, wind and an estimated PV yield, specific yield and capacity factor for a system size. Use to screen solar sites.

How much a spender (router, Permit2, protocol) is approved to move from an owner's ERC-20 balance, with an unlimited-approval flag. Use to check approvals before a swap or to audit risky approvals.

An EVM block by number or tag (latest, finalized, safe): hash, parent, time, miner, gas used and limit, base fee, size and its transaction hashes.

What is at an EVM address: wallet (with EIP-7702 delegate) or contract, bytecode size, token standard (ERC-20/721/1155), name, symbol, decimals, supply, owner() and proxy implementation. Use before interacting with an unknown address.

ABI and readable function/event signatures of a verified smart contract from Sourcify, with contract name, compiler, licence, proxy implementation and deployer. Use before calling or decoding a contract.

Decode EVM transaction input data: looks up the 4-byte function selector and decodes every argument (addresses, amounts, arrays). Use to see what a transaction or signing request will really do.

Recent ERC-20 Transfer events for a token, a wallet (in and out) or both over the last N blocks (max 5,000), with sender, receiver and amount in token units. Use to confirm incoming payments or watch whale moves.

Estimate the gas a transaction will use (eth_estimateGas) and its cost at the current gas price, with a 20% buffer; fails clearly when the call would revert. Use before signing.

Event logs a contract emitted (eth_getLogs), filtered by event signature such as Transfer(address,address,uint256) or a topic hash, over a block range (max 5,000 blocks, default last 100). Use to monitor swaps, mints or governance.

Live state of an EVM network: chain ID, latest block number and age, gas price, base and priority fee, block gas use and tx count. Use as a health check before sending transactions.

Metadata of an ERC-721 or ERC-1155 token: token URI resolved from IPFS, Arweave, data URI or https into name, description, image link and traits. Use for NFT displays, rarity or appraisal.

Current owner of an ERC-721 NFT by contract and token ID. Use to verify ownership for token gating, sales or airdrops.

Next transaction nonce of an EVM address (confirmed and pending), pending tx count, native balance, contract flag and EIP-7702 delegate. Use before signing or to detect stuck transactions.

An EVM chain's pending block (Ethereum, Base, Arbitrum, Optimism, Polygon): transaction count, priority-fee and gas-price percentiles, most-called contracts and largest native transfers. Use to price gas.

Detect upgradeable proxies: EIP-1967 transparent/UUPS, beacon, EIP-1822, ZeppelinOS, EIP-1167 clones and Safe-style proxies, returning implementation, admin and beacon addresses. Use for audits and to fetch the real ABI.

Call any read-only contract function without a transaction or ABI file: give the signature with return types, e.g. balanceOf(address)(uint256) or getReserves()(uint112,uint112,uint32), plus arguments; returns decoded values.

Receipt of a mined EVM transaction: success or revert, gas used, effective gas price, fee (and L2 L1 fee), created contract and event logs with Transfer and Approval decoded. Use to confirm a payment or swap.

Heuristic rug and honeypot risk check of an ERC-20 before buying: owner and renouncement, upgradeable proxy, mint, pause, blacklist, fee and trading switches found in the bytecode, readable buy/sell tax, and a 0-100 risk score with flags. Ethereum, Base, Arbitrum, Optimism, Polygon.

Total supply, name, symbol and decimals of an ERC-20 or ERC-721 contract, read on-chain. Use for market-cap math, supply checks and token due diligence.

Current policy interest rates of about 40 central banks (Fed, ECB, BoE, BoJ, PBoC, SNB, RBI...) with the date of the latest value, highest first, from the BIS. Filter by country or currency code.

Latest EU and country economic indicators from Eurostat: HICP inflation, unemployment, GDP growth, consumer confidence, government debt and 10-year bond yields, for EU27, the euro area and 30+ countries.

FX carry trade ranking from central-bank policy rates: currency pairs ranked by interest-rate differential, optionally for one funding currency such as JPY or CHF.

Amortizing loan or mortgage: periodic payment, total interest, payoff date, effect of extra payments and a yearly or full payment schedule. Any payment frequency.

Latest daily close of the S&P 500, Nasdaq, Dow, VIX, dollar index, 2y/10y Treasury yields and curve, breakeven inflation, high-yield spreads, WTI and Brent oil, natural gas, EUR/USD and USD/JPY with 1-day, 1-week and 1-month changes.

Black-Scholes price and greeks (delta, gamma, vega, theta, rho) of a European call or put, probability in the money and breakeven; or the implied volatility from a market price. For stocks, FX or crypto.

FDIC-insured US banks by name, state or FDIC certificate: total assets, deposits, net income, ROA, ROE, offices, regulator, charter, holding company and status. Use for bank research or counterparty checks.

World Bank development data for any country: GDP, GDP per capita, growth, population, inflation, unemployment, life expectancy, CO2, exports, debt, internet use, FDI or any indicator code, by year. Use for country comparisons and market sizing.

Match a US street address with the Census Bureau geocoder: standardized address, coordinates, ZIP, county, census tract and block, city, metro area and congressional district with FIPS/GEOIDs.

Search US federal rules, proposed rules, notices and presidential documents: title, agency, dates, comment deadline, docket, abstract and links. Use to track US regulation on a topic.

Largest US federal contracts, grants or loans by keyword or recipient from USAspending.gov: recipient, amount, agency, dates, place, NAICS and description. Use for B2G sales research or due diligence.

Search ClinicalTrials.gov by condition, drug/device or sponsor: status, phase, enrollment, start and completion dates, sponsor, interventions and countries. Use for pharma, biotech and patient research.

Official FDA label of a drug by brand or generic name: indications, dosage, warnings, boxed warning, contraindications, adverse reactions, interactions, pharmacologic class, manufacturer and NDC codes.

Recent FDA recall and enforcement reports for food, drugs or medical devices: firm, product, reason, class I/II/III, status, quantity and distribution, filterable by keyword, class and age.

Day-ahead wholesale electricity prices (15-min or hourly) for a European bidding zone and up to 31 days, in local time, with daily min/max/mean, negative-price slots and the cheapest and priciest N-hour window. Use when scheduling EV charging, heat pumps, batteries or flexible load, or when asked what power costs tomorrow in Germany, France, Netherlands and other EU zones.

Search Kalshi, the US-regulated prediction exchange, for open events (Fed decisions, CPI, elections, weather, crypto prices, sports) and get every market's yes bid/ask and last price as probabilities, volume and close time. Use for US economic and political event odds.

Polymarket's top traders by profit or volume for the day, week, month or all time, optionally in one category (politics, sports, crypto...), with wallet addresses to follow.

One Polymarket market by slug, id or URL: question, rules, outcome probabilities, best bid/ask, last trade, 1-day change, volume, liquidity and the order book (top bids and asks with sizes and spread) for each outcome. An event slug returns all its markets. Use before placing a trade or to quote exact odds.

A Polymarket wallet's open positions (market, outcome, shares, average price, value, PnL) and latest trades with portfolio totals. Use to follow or vet a trader.

One query across Polymarket, Kalshi and Manifold at once: matching open events and markets with current probabilities from each, so real-money and crowd odds can be compared side by side. Use to answer 'what are the odds that...' with every major prediction market.

Search arXiv preprints (AI, physics, math, CS, quant finance...) by keywords or field query: title, authors, abstract, categories, dates and PDF link, by relevance or newest. Use for literature review or tracking new research.

Check CVEs against CISA's Known Exploited Vulnerabilities catalog or search it by vendor/product: date added, remediation due date, ransomware use, CWE and required action. Use to prioritise patching.

English dictionary entry for a word: pronunciation (IPA and audio), parts of speech, definitions with examples, synonyms and antonyms, from Wiktionary. Use for writing, learning or word games.

Sentiment of English text (reviews, posts, headlines): positive/negative/neutral label, compound score -1..1 and word shares, optionally per sentence with the most positive and negative lines. Rule-based, instant.

Live US airport disruptions from the FAA: closures, ground stops, ground delay programs and arrival or departure delays with reason, average and max delay and expected end. Filter by airport code (JFK, LAX).

Latest SEC EDGAR filings of a US-listed company by ticker, newest first, with form type, filing and report dates, 8-K item codes and a direct link to each document; filter by form (10-K, 10-Q, 8-K, 4 insider trades, 13F, S-1). Use when you need a company's recent disclosures, earnings releases or insider filings.

Search the full text of all SEC filings since 2001 for any word or exact phrase (in quotes), filtered by form type (10-K, 8-K, S-1...) and date: company, form, filing date, period and document link. Use to find every filing mentioning a risk, product, customer or event.

Reported financials for a US-listed company from its SEC 10-K/10-Q filings: revenue, gross profit, operating and net income, diluted EPS, cash flow, capex, free cash flow, assets, liabilities, equity, cash, debt and margins, annual or quarterly. Use when analysing, comparing or valuing a US stock by ticker and you need filed numbers, not estimates.

Recent insider transactions at a US company from SEC Form 4 filings: insider name and role (CEO, director, 10% owner), buy/sell/award/option exercise, shares, price, value, shares held after and filing link. Set buys_sells_only to see open-market trades only. Use for insider-buying signals.

SEC profile of a US-listed company: legal name, tickers and exchanges, industry (SIC), state of incorporation, fiscal year end, business address and phone, website, former names, filer category and links to the latest 10-K and 10-Q. Use for due diligence and company research.

Rank every SEC filer by one reported metric for a period, straight from XBRL filings: revenue, net_income, operating_income, assets, cash, rnd, eps, stockholders_equity, long_term_debt, shares_outstanding or any us-gaap tag, for a year (CY2024) or quarter (CY2025Q2). Use for market-wide screens and league tables.

Compare two texts line by line: unified diff, list of added, removed and changed lines, line and character similarity, optionally ignoring whitespace and case. Use to compare documents, configs or model outputs.

Detect a file's real format from its first bytes (magic numbers), given as base64 or hex: MIME type, extension and a warning when it does not match the file name. Use to validate uploads.

MD5, SHA-1, SHA-256, SHA-512, SHA3-256, Keccak-256, BLAKE2b and CRC32 of a text or hex/base64 bytes, plus base64 and hex encodings, in one call. Use for integrity checks, IDs, signatures and Ethereum selectors.

Validate JSON (with line and column of errors), pretty-print, minify, sort keys, list all paths, show its shape, or extract a value by path like $.items[0].name or $.items[*].

Decode a JSON Web Token without verifying it: header, algorithm, payload claims, issued-at/expiry times and whether it has expired. Use to debug auth tokens and API sessions.

The smallest paid call: returns the server's UTC time and echoes your message. Use to test an x402 client, wallet and payment flow end to end before calling bigger tools.

Cryptographically secure random values: UUID v4 or v7, strong passwords, hex or URL-safe tokens, integers in a range, dice rolls or coin flips, up to 100 at once.

Convert a value between units of length, area, volume, mass, energy (kWh, MWh, BTU, GJ), power, pressure, temperature, speed, data size, time and compound units like kg/m^3 or mpg. Exact, no lookup tables to maintain.

Active US weather warnings, watches and advisories from the National Weather Service for a state or a point: event, severity, urgency, areas, onset, end, description and safety instructions, worst first.

Official National Weather Service forecast for a US location: 7-day day/night periods or hourly, with temperature, precipitation chance, wind and text forecast. US and territories only.

Score 0-100 how ready a website is for AI agents: llms.txt, agent card, MCP manifest, OpenAPI spec, x402 payments, AI-crawler rules in robots.txt, sitemap and structured data, with suggestions.

Check up to 20 domain names at once, or one name across several TLDs (com, ai, io...), for registration via RDAP and DNS: available or taken, registrar and expiry. Use for brainstorming product names and finding free domains.

Check an email address before sending: syntax, whether the domain exists and has mail servers (MX), disposable/temporary provider, role address (info@, sales@), free provider and typo suggestion (gmial.com -> gmail.com), with a verdict. No mail is sent and the mailbox is not probed.

Email authentication audit of a domain: MX, SPF (lookup count and policy), DMARC policy and reporting, DKIM on common selectors, MTA-STS, TLS-RPT and BIMI, graded A-F with fixes. Use for deliverability and phishing-risk checks.

Expand a short or tracking link (bit.ly, t.co, lnkd.in...) hop by hop without opening the final page: every redirect, final URL and host, and a clean URL with tracking parameters removed. Use to check links safely.

Read any public web page and get its main content as clean Markdown (menus, ads and footers removed) with title, author, publish date and language. Use when you need to read, quote or summarise an article, docs page or blog post from a URL. Not charged if the page fails.

Link-preview metadata of a web page: title, description, Open Graph and Twitter card image, site name, author, publish date, language, canonical URL, favicon and RSS feeds. Use to build link previews, enrich bookmarks or classify a URL without reading the full page.

Subdomains of a domain found in public Certificate Transparency logs (crt.sh), with first certificate and current validity date. Use for attack-surface mapping, asset inventory or competitor research.

Detect the technologies a website uses from its headers and HTML: CMS (WordPress, Shopify, Webflow), frameworks (Next.js, React, Vue), CDN and hosting (Cloudflare, Vercel), analytics, chat, payments. Use for lead qualification, sales prospecting or competitor research.

Registration data of a domain from RDAP, the official WHOIS successor: registrar, creation, update and expiry dates, status codes, nameservers, DNSSEC and registrant organisation/country where public. Says whether an unregistered name looks available. Use for domain research, due diligence or phishing checks.

Find the right pay-per-call API for a task: searches the x402 Bazaar and ranks results by real 30-day payers, with URL, price in USDC, network and description. Use before choosing which paid tool to call.

Battery storage (BESS) day-ahead arbitrage revenue for a European bidding zone: perfect-foresight LP per day on historical prices, annualised revenue per MW, cycles, payback. Use when sizing or screening a battery project, comparing zones, or answering how much a battery would have earned in a given year.

Spot price of a token pair read directly from the deepest Uniswap v3 pool on Ethereum, Base, Arbitrum, Optimism or Polygon: price, inverse, fee tier, tick and liquidity. Tokens by symbol or address.