information-retrieval

Compare two texts by lines or words: similarity %, added and removed items, list of changes with positions, and a unified diff. For contract versions, prompts, configs or scraped pages.

Check whether a person or entity is on the UN Security Council Consolidated Sanctions List (Al-Qaida, ISIL, Taliban, DPRK, Iran, Libya, Sudan, Yemen...) with fuzzy matching of names and aliases. Complements sanciones-buscar (EU and OFAC).

Check whether a list of URLs, or every link on a page, works: HTTP status, final URL after redirects and broken links first. Up to 50 URLs per call, checked in parallel.

Book data by ISBN (10 or 13) or search by title and author on Open Library: title, authors, publisher, year, pages, languages, subjects, cover and links.

Check an IP against public threat lists: botnet command-and-control servers (abuse.ch Feodo Tracker), Tor exit nodes and hijacked or spam networks (Spamhaus DROP). For filtering traffic, sign-ups and payments.

Get a Reddit post by URL.

Compare two supplied public-source text versions and return bounded, hash-backed evidence of change.

Validate JSON (with line and column of the error), pretty-print or minify it, describe its structure (depth, keys, value types) and extract a value by path such as data.items[0].price.

Information about an autonomous system: holder, whether it announces routes, registry block, number of IPv4 and IPv6 prefixes announced, approximate IPv4 addresses and a sample of prefixes. RIPEstat data.

Read any RSS 2.0, RSS 1.0 or Atom feed (or find the feed a web page declares) and get clean JSON: title, link, date (ISO), author, plain-text summary and categories of each entry.

Technical inspection of a URL: status, redirects, time to first byte and total time, bytes, compression, content type, cache policy, server, CDN, cookies set, security headers present and all response headers.

Validate JSON (with line and column of the error), pretty-print or minify it, describe its structure (depth, keys, value types) and extract a value by path such as data.items[0].price.

Docker Hub image profile (official or user): description, stars, total pulls, last update and recent tags with size and architectures.

Follow the redirect chain of a URL (up to 10 hops): status code and time of each hop, final URL, domain changes and HTTPS-to-HTTP downgrades. Unmask short and affiliate links before visiting them.

Metadata of an image (URL or base64): format, dimensions, color mode, transparency, size, DPI, animation and EXIF (camera, date, software), flagging embedded GPS location.

Read any RSS 2.0, RSS 1.0 or Atom feed (or find the feed a web page declares) and get clean JSON: title, link, date (ISO), author, plain-text summary and categories of each entry.

Search scholarly literature across all fields in OpenAlex (250M+ works): title, authors, institutions, year, journal, citation count, DOI and open-access link; by relevance, citations or date.

All links on a page classified as internal or external, with anchor text, nofollow/sponsored, new-tab flags and the most linked external domains. For SEO, crawling and audits.

Search scholarly literature across all fields in OpenAlex (250M+ works): title, authors, institutions, year, journal, citation count, DOI and open-access link; by relevance, citations or date.

Validate a 5-field cron expression (ranges, steps, names, @daily aliases), explain it in plain English and list its next run times in any time zone, DST-aware.

Validate a 5-field cron expression (ranges, steps, names, @daily aliases), explain it in plain English and list its next run times in any time zone, DST-aware.

Compare two texts by lines or words: similarity %, added and removed items, list of changes with positions, and a unified diff. For contract versions, prompts, configs or scraped pages.

Check whether a person or entity is on the UN Security Council Consolidated Sanctions List (Al-Qaida, ISIL, Taliban, DPRK, Iran, Libya, Sudan, Yemen...) with fuzzy matching of names and aliases. Complements sanciones-buscar (EU and OFAC).

Follow the redirect chain of a URL (up to 10 hops): status code and time of each hop, final URL, domain changes and HTTPS-to-HTTP downgrades. Unmask short and affiliate links before visiting them.