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Ranks major coins by perpetual funding rate to surface the most bullish and most bearish perps right now. Aggregates OKX funding across the top liquid USDT perps and returns annualized rates, sorted. Live screener for funding arbitrage and crowded-positioning detection. funding rate screener, perp sentiment, most bullish perp, crowded longs

Estimates the USD gas cost of a common action (transfer, erc20-transfer, approve, swap, nft-mint) across EVM chains, combining live gas price per chain with the native token price. Lets an agent pick the cheapest chain to execute and budget a transaction. Live aggregated gas + price compute. gas cost estimate, transaction fee usd, cheapest chain to execute, swap gas

Country reference data: capital, region, population, area, currencies, languages, calling code, timezones and borders

Book search over Open Library: title, authors, first publication year, subjects, ISBNs and edition count

Fetch a URL and return its main content as clean Markdown (boilerplate stripped)

Docker Hub image facts: pull count, stars, description, last push, and recent tags with sizes and architectures

Internet Archive lookup: whether a snapshot of a URL exists and its closest capture to a given date — read pages that are now dead

Place name to coordinates, or coordinates to address (OpenStreetMap Nominatim), with country and feature type

Enumerate a site's URLs from robots.txt + sitemap.xml (sitemap-index aware) — map a domain before crawling it

Public GitHub facts: repo stats with latest release, a user/org profile, or a star-ranked repo search

Search the Hugging Face Hub for models or datasets (downloads, likes, task, library, tags) or fetch one by id

Domain registration facts over RDAP (structured WHOIS): registrar, creation and expiry dates, status codes, nameservers

Bluesky (AT Protocol) public data: an account's profile plus recent posts with engagement counts, or a keyword post search

Enumerate a site's URLs from robots.txt + sitemap.xml (sitemap-index aware) — map a domain before crawling it

Supply-chain health from deps.dev: OpenSSF Scorecard (14 checks — branch protection, signed releases, pinned deps…) plus stars, license and open issues

US SEC filings data: resolve a ticker to its CIK, then pull a reported XBRL financial concept (Revenues, Assets, NetIncomeLoss…) as a time series

Fetch a URL and grade its HTTP security headers (HSTS, CSP, X-Frame-Options, etc.)

Known vulnerabilities for a package (OSV.dev — aggregate of GHSA, PyPA, RustSec, Go and more) or a free-text CVE search (NVD), with severity and fixed versions

Hacker News full-archive search: stories, comments, Show HN and Ask HN with points, comment counts and URLs

Stack Exchange question search with score, answer count and whether an answer was accepted

Academic literature search over OpenAlex (250M+ works with citation counts) or arXiv: title, authors, year, venue, DOI, abstract

Parse an RSS/Atom feed into structured items (title, link, published, summary) — or auto-discover the feed from a site URL

Public holidays for a country and year (ISO-2 code) — what a scheduling agent needs before proposing a date

Biomedical literature search over PubMed (NCBI, 37M+ citations): titles, journals, authors, dates and DOIs