Crypto, web, finance and app data tools

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Day-ahead wholesale electricity prices for a European bidding zone (DE-LU, FR, NL, AT, BE, PL, ...) for up to 31 days in local time, with daily min/max/mean and the cheapest and priciest N-hour window. Use when scheduling EV charging, heat pumps or batteries, or asked what power costs tomorrow.

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.

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.

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.

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.

Current gas fees on Ethereum, Base, Arbitrum, Optimism or Polygon: base fee and slow/standard/fast priority and max fee in gwei plus the cost of a plain transfer. Use before sending a transaction.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Read a public web page and return its main content as clean Markdown with title, author, publish date and language. Use when you need to read, quote or summarise an article or docs page from a URL.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Latest SEC EDGAR filings of a US-listed company by ticker with links, optionally filtered by form (10-K, 10-Q, 8-K, 4 for insider trades, 13F-HR, S-1). Use for recent disclosures or insider filings.

Reported financials of a US-listed company from SEC 10-K/10-Q filings by ticker: revenue, profit, EPS, cash flow, free cash flow, assets, debt, equity and margins, annual or quarterly. Use when analysing or comparing US stocks and you need filed numbers, not estimates.

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.

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.

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.

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.

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.

Contact details of a company website: emails, phones, social profiles, name and address, from its home, contact, about and imprint pages. Use to find how to reach a business or enrich a lead.

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.

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.

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.

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.

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.