Hojun Lee

Fetch current conditions, 7-day forecasts, and historical weather data for any location worldwide. Returns temperature, precipitation, humidity, wind speed, UV index, and air quality using the Open-Meteo free API. No API key required. Supports bulk location queries.

Pass a URL + JSON schema (or natural-language goal). Claude reads the page and returns a strict JSON object matching your schema. Product / news / hotel / real-estate / job-board extraction. BYO Anthropic API key. $0.01 per page.

Extract emails, phone numbers, and social media links from any website. Crawls /contact, /about, /team pages automatically. No API key required.

Collect country-level public health statistics from the WHO Global Health Observatory (GHO) — life expectancy, infant mortality, HIV prevalence, obesity, PM2.5 exposure, alcohol consumption, and 2,000+ more indicators. Filter by country, year range, and indicator. No API key required.

Bulk WHOIS lookups for any domain list. Returns registrar, creation/expiry dates, name servers, registrant info, status codes. CSV input supported. No API key required.

Query Wikidata's SPARQL endpoint to retrieve structured knowledge data. Use preset queries for tech companies, world leaders, Nobel laureates, unicorn startups, or top universities. Supports custom SPARQL. PPE $0.002/record.

Scrape Wikipedia articles via public MediaWiki API — no proxy, no auth. Modes: summary (extract + thumbnail), full_text, search, random, category. Supports 250+ language editions.

Fetch time-series economic data from the World Bank Open Data API. No API key required. Supports GDP, population, inflation, and 20,000+ indicators across 200+ countries. Filter by country, indicator, and year range.

Compares APY and TVL across yield-bearing stablecoins: sUSDe (Ethena), sUSDS (Sky), sDAI, sGHO, sfrxUSD vs benchmark USDC lending rates. Includes USDe peg health and spread-vs-USDC in basis points. No API key. $0.01/run.

Finds the best DeFi yield for a specific token (ETH, BTC, USDC, SOL, etc.) across 15,000+ pools. Risk classification: single-asset, LP, lending. APY trends and reward breakdown. No API key. $0.005/run.

Fetch YouTube channel statistics using the YouTube Data API v3: subscriber count, total views, video count, recent upload dates, top videos by views, and growth metrics. Track multiple channels. Free API with 10,000 units/day quota. API key required.

Track YouTube trending videos by country and category. Returns title, channel, view count, like count, comment count, duration, tags, and thumbnail URL. Monitor viral content, track emerging creators, and analyze trending topics using the official YouTube Data API v3 free tier.

Real-time GPU mining profitability for 46+ PoW coins. Enter your GPU model, power usage, and electricity rate — get daily/monthly net profit after electricity costs. WhatToMine API, no auth required. $0.005/run.

Free weather forecasts using Open-Meteo API. No API key needed.

Check URLs against multiple free threat intelligence sources: Google Safe Browsing, domain age, redirect chains, suspicious patterns, and heuristic scoring. Returns a risk score (0-100) + verdict. No API key required for basic checks. $0.005 per URL.

Map the attack surface of IP addresses and domains using Shodan. Returns open ports, running services, service banners, known CVEs, geolocation, ASN, and ISP. Requires a free Shodan API key (register at shodan.io).

Track 238+ curated smart-money wallets + auto-discovery across Ethereum, Base, Arbitrum, BSC and Solana. Returns transactions, PnL, win-rate, coordinated buys, and token flow. Free alternative to Nansen ($150/mo). PPE $0.02/wallet.

On-demand risk lookup for EVM wallet addresses. Returns flags for sanctioned, mixer, money laundering, cybercrime, phishing, darkweb, blacklist, fake KYC, stealing attack. Source: GoPlus Security aggregating SlowMist + BlockSec + OFAC. $0.01 per address.

Bitcoin valuation and network health metrics: NVT ratio (under/fair/overvalued signal), 24h transaction volume, hash rate (EH/s), miner fee ratio, block retarget countdown. Combines blockchain.info, mempool.space, and CoinGecko. No API key. $0.005/run.

Live perpetual funding rate (hourly / daily / annualized APR), open interest USD, mark/oracle prices and 24h volume across every Hyperliquid perp pair. Compare HL funding vs CEX. Telegram alerts on extreme APR. No API key required.

Tracks cryptocurrency and Web3 venture capital funding rounds from DefiLlama Raises. Returns structured data on project, amount raised, lead investors, round type, and category. Filter by date, amount, category, or investor. Essential for deal flow research and market trend analysis.

Extract text, paragraphs, tables, and structured data from Word (.docx) and Excel (.xlsx) files. Supports Google Drive and Dropbox share links. Batch up to 50 files per run. $0.005 per file.

Fetch the Hyperliquid on-chain perps leaderboard: top traders by PnL, ROI, or volume across day/week/month windows. Returns address, account size, P&L, ROI, and trading volume. All data is fully on-chain and free. No API key required.

Aggregates tech layoff news from major free RSS feeds (TechCrunch /tag/layoffs, The Verge, Reuters Tech, Ars Technica). Extracts company name + impacted headcount from titles when present. HR / recruiter / market sentiment signal. Telegram digests.