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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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.

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.

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.