Hojun Lee

Track and compare NPM package downloads, trends, and metadata. Analyze daily, weekly, monthly, or yearly counts for multiple packages. Compare libraries side-by-side, retrieve version, license, and homepage. Ideal for choosing between libraries or monitoring growth. No API key required.

Scan npm packages for security vulnerabilities, supply chain risks, and quality signals. Returns CVE count, maintainer activity, typosquat detection, install script flags, dependency count, license info, and download trends. Uses npm registry and OSV.dev APIs. No API key required.

Analyze npm packages: weekly downloads, release history, dependencies, devDependencies, bundle size, TypeScript support, and vulnerability scan via OSV.dev. Track package popularity trends. Supports bulk analysis. No API key required.

Collect official OECD macroeconomic data for 38 member countries via the free SDMX-JSON API. Covers GDP, unemployment (monthly/quarterly), employment, CPI, and balance of payments. Filter by country and year range. No API key required. Ideal for economic research and country benchmarking.

Track GitHub releases and changelogs for open source projects: version number, release notes, publish date, assets, prerelease status, and download counts. Monitor multiple repos for new releases. Uses GitHub API. Optional token for higher rate limits.

Track AI language model releases, pricing, and capabilities across OpenAI, Anthropic, Google, and Mistral. Returns model names, context window, pricing per token, modalities, knowledge cutoff, and release dates. Uses public APIs and documentation. No API key required.

Search and collect academic papers, authors, institutions, and journals from OpenAlex — a free, open scholarly knowledge graph with 250M+ works. Filter by year, citation count, open access, and research field. Ideal for academic research, citation analysis, and trend tracking.

Fetch real-time and historical air quality measurements from 30,000+ monitoring stations worldwide via the OpenAQ API v3. Supports PM2.5, PM10, NO2, O3, CO, SO2 across any country. Returns AQI category per reading. No API key required — optional key raises rate limits.

Query the FDA Open Data API for drug adverse events, drug labels, drug recalls, and device recalls. No API key required. Search by drug name or manufacturer. Filter by date range. Output structured records with key safety signals.

Get stock options expiration dates, weekly/monthly/quarterly OPEX events, and per-ticker max pain price with put/call ratio. No API key needed — uses Yahoo Finance.

Calculate options max pain price for stocks and ETFs to identify likely expiration targets

Download any PDF and chunk into semantically coherent segments ready for embedding/RAG. Configurable chunk size + overlap. Returns one row per chunk with page, char count, token estimate. Feed directly into OpenAI text-embedding-3 / Voyage / Cohere. $0.005 per PDF + $0.0002 per chunk.

Pendle yield tokenization markets: fixed APY (PT), implied APY, underlying real yield, YT floating APY, PT discount, liquidity, and APY divergence signal (yt_underpriced/overpriced/fairly_priced). No API key. $0.002/market.

Find stocks where politicians AND institutional investors are buying simultaneously. Combines congressional trading disclosures (STOCK Act) with SEC 13F institutional holdings. Detects convergence signals — tickers with both politician buys and 13F position increases. No API key required.

Tracks top Polymarket prediction markets: outcome probabilities, 24h volume, liquidity, and end dates. Filter by category. No API key. $0.005/run.

Extract text, speaker notes, and slide structure from PowerPoint (.pptx) files at any URL — including Google Drive and Dropbox links. Batch up to 50 files. Perfect for LLM/RAG pipelines. No API key. $0.02/file + $0.001/slide.

Track Product Hunt daily launches and trending products. Filter by category, date, or minimum votes. Returns product name, tagline, vote count, comment count, maker info, launch date, website, and direct Product Hunt link. No API key required.

Search PubMed for medical research papers by drug name, disease, or keyword. Returns title, abstract, authors, journal, publication date, and MeSH terms. Track clinical research, drug efficacy studies, and medical literature trends using the free NCBI E-utilities API. No API key required.

Search PubMed medical literature via NCBI E-utilities API (no API key required). Filter by date range, article type (Clinical Trial, Review, Meta-Analysis), and keywords. Returns title, abstract, authors, journal, DOI, MeSH terms, and open-access status. Ideal for drug and disease research.

Track and compare PyPI package download statistics including daily, weekly, and monthly counts. Fetch metadata from PyPI JSON API and system breakdowns by OS and Python version. Compare multiple packages side-by-side ranked by downloads. No API key required.

Analyze PyPI Python packages: download stats (day/week/month), release history, maintainers, dependencies, classifiers, and vulnerability scan via OSV.dev. Supports bulk analysis of package lists. No API key required.

Analyzes Reddit crypto communities for sentiment, trending tokens, and discussion signals

Track Reddit posts from subreddits or search by keyword. Filter by sort (hot/new/top/rising), time period, minimum score, and flair. Returns title, score, upvote ratio, comment count, author, awards, URL, and post content. No API key required.

Aggregate remote job listings from Remotive.io and We Work Remotely. Filter by category, keyword, company, or job type. Returns job title, company, location, salary, skills, and apply link. Combined search across top remote job boards. No API key.