slugify

UUID generator: random v4 UUIDs or time-ordered v7 UUIDs (sortable, great for database keys), up to 100 per call, plus a ULID-style timestamp note for v7. $0.01 per batch.

EU/UK/CH VAT number format check: verifies the country prefix and the national number pattern (no live VIES query), returning the country and whether the format is plausible. First-line validation for invoices and onboarding. $0.01 per check.

Current weather for any place name or coordinates: temperature, feels-like, humidity, wind speed and direction, precipitation, cloud cover, condition text, plus the resolved location and timezone. Free Open-Meteo data, no key. $0.01 per lookup.

Current weather in Buenos Aires right now: temperature, feels-like, humidity, wind, precipitation, cloud cover and conditions from Open-Meteo, plus today's sunrise/sunset. No API key. $0.01 per call.

Current weather in Rome right now: temperature, feels-like, humidity, wind, precipitation, cloud cover and conditions from Open-Meteo, plus today's sunrise/sunset. No API key. $0.01 per call.

Current weather in Seoul right now: temperature, feels-like, humidity, wind, precipitation, cloud cover and conditions from Open-Meteo, plus today's sunrise/sunset. No API key. $0.01 per call.

Current weather in Stockholm right now: temperature, feels-like, humidity, wind, precipitation, cloud cover and conditions from Open-Meteo, plus today's sunrise/sunset. No API key. $0.01 per call.

Wikipedia search: the top 10 matching articles with title, snippet, word count and URL. Find the right article before pulling a summary. $0.01 per search.

Wikipedia summary: the lead paragraph, short description, thumbnail, page URL and coordinates for a topic, resolving redirects and falling back to search when the exact title does not exist. Quick grounded facts for any agent. $0.01 per lookup.

Wikidata entity lookup: the Q-id, label, description, aliases, and key claims (instance of, country, population, inception, coordinates, official website, founder, headquarters) resolved to labels. Structured facts for grounding. $0.01 per lookup.

Word, character, sentence, paragraph and unique-word counts for text, plus average word length and the longest word. $0.01 per call.

YouTube video metadata without an API key: title, channel name and URL, thumbnail and video ID via YouTube's public oEmbed endpoint. $0.01 per video.

AI-crawler policy of a website: reads robots.txt and reports, for 20 known AI/LLM crawlers (GPTBot, ChatGPT-User, OAI-SearchBot, ClaudeBot, anthropic-ai, CCBot, Google-Extended, Applebot-Extended, PerplexityBot, Bytespider, Amazonbot, cohere-ai, meta-externalagent and more), whether the root is allowed, blocked or unmentioned, plus an overall stance (open / selective / blocks-all-ai) and TDM/ai.tx

cdnjs library lookup: latest version, description, homepage, license, default file and its full CDN URL with SRI hash, GitHub repo, and the latest 15 versions. Instant script tags for front-end agents. $0.01 per library.

Checksums of a file at a URL (up to 5 MB): SHA-256, SHA-1 and MD5-free SHA-384 hex digests, the SRI string (sha384-…), byte size, content type, last-modified and ETag, plus the final URL after redirects. Verify downloads, pin script integrity, detect silent changes. $0.01 per file.

Cron expression evaluator: the next 10 run times in UTC for a standard 5-field expression (ranges, steps, lists, names like MON/JAN, */5), a plain-English description, and the interval between runs. Optional start time after a pipe. Validate schedules before deploying. $0.01 per expression.

RSS/Atom feed validator: fetches the feed, detects the format and version (RSS 2.0, Atom 1.0, RSS 1.0/RDF), checks well-formedness and required elements (title, link, id/guid, dates), counts items, flags missing/invalid dates, duplicate guids, relative links, missing descriptions, and the content type served. Returns valid true/false with errors and warnings. $0.01 per feed.

Detects the real type of a file at a URL from its magic bytes (40+ signatures: images, audio, video, archives, PDF, Office, executables, fonts, WASM, SQLite, text/JSON/HTML) and compares with the declared Content-Type and the URL extension, flagging mismatches. Also returns size, content-disposition and whether the server supports ranges. Reads only the first 64 KB. $0.01 per file.

README of a GitHub repository as plain text (markdown kept, up to 20k chars): tries the default branch and common README filenames, reports which file and branch matched, length, headings list, and the raw URL. Fast repo comprehension for coding agents. $0.01 per repo.

GraphQL endpoint check: sends a minimal introspection query and reports whether the URL is a GraphQL endpoint, whether introspection is enabled (a security signal), the query/mutation/subscription root type names, number of types, the first 40 query fields, and whether GET requests are accepted. $0.01 per endpoint.

Basic HTML lint (no external validator): unclosed or mismatched tags, missing doctype, lang, title, meta charset and viewport, images without alt, links without href or text, duplicate ids, inline event handlers, deprecated tags (font, center, marquee), and counts. Give raw HTML or a URL. $0.01 per document.

Explains HTTP headers: for each header name you give (comma-separated), what it does, typical values and an example, plus whether it is a request, response or both, and a security relevance flag. Covers 60+ common headers including security, caching, CORS, cookies and x402 payment headers. $0.01 per lookup.

Image dimensions from the first bytes of an image URL: width, height, format (PNG, JPEG, GIF, WebP, BMP, ICO, SVG), aspect ratio, orientation, byte size from headers and content type. Reads at most 64 KB so it is fast even for huge images. Validate og:image sizes, thumbnails and uploads. $0.01 per image.

jsDelivr CDN usage of an npm package over the last month: total hits, rank, bandwidth, daily hit series (last 14 days) and the top 10 versions by hits with their share. A popularity signal independent of npm download counts. $0.01 per package.

JSONPath extraction: evaluates a path like $.store.book[*].author, $..price, $.items[-1], $['key with spaces'] against a JSON document and returns all matching values with a count. Handles recursive descent, wildcards, negative indexes and bracket keys. $0.01 per query.

JSON Schema validation without external libraries: validates data against a schema supporting type, required, properties, additionalProperties, items, enum, const, min/max (length, items, properties, numeric, exclusive), pattern, format (email/uri/date-time), uniqueItems, multipleOf, anyOf/oneOf/allOf/not. Returns valid true/false and every error with its JSON path. $0.01 per validation.

Matrix homeserver check: reads /.well-known/matrix/server (federation delegation) and /.well-known/matrix/client (client base URL, identity server), probes the federation version endpoint on the delegated host, and returns server software/version, whether federation and client discovery are configured, and registration/login flows advertised. $0.01 per server.

MIME type reference: list all types in a category (image, audio, video, text, application, font, office), or look up a single file extension or MIME type to get its counterpart. 100+ mappings for setting Content-Type correctly and validating uploads. $0.01 per lookup.

Minifier for JSON (re-serialised compact), HTML (comments and inter-tag whitespace stripped, pre/textarea preserved), CSS (comments, whitespace, trailing semicolons) and simple JS (comments and blank lines; not a full parser). Returns the minified text, detected type, and bytes before/after with the saving percentage. $0.01 per document.

Direct dependencies of an npm package's latest (or given) version: the dependencies, peerDependencies and optionalDependencies with their ranges, counts of each, plus the engines field and whether the package has install scripts. One-hop supply-chain view. $0.01 per package.

License and provenance of an npm package: SPDX license of the latest version, whether it is permissive/copyleft/unknown, repository URL, homepage, maintainers (names only), author, funding link, and the license of each direct dependency for a one-hop compliance check. $0.01 per package.

Maintenance-risk hints for an npm package: is the latest version deprecated (with the message), days since the last publish, whether any direct dependency's latest is deprecated, single-maintainer flag, and a simple risk label (healthy / stale / deprecated). Not a CVE scanner; a fast triage before install. $0.01 per package.

OAuth 2.0 authorization-server metadata (RFC 8414) with OpenID fallback: tries /.well-known/oauth-authorization-server then /.well-known/openid-configuration and returns the issuer, authorization/token/revocation/introspection/device endpoints, grant types, PKCE support, token auth methods, scopes, DPoP and PAR support. Also checks /.well-known/oauth-protected-resource for MCP-style resource metad

PDF metadata from a URL: page count (from page objects), PDF version, title, author, subject, creator/producer, creation and modification dates from the Info dictionary or XMP, encryption flag, and byte size. Reads the first 2 MB, so counts for very large PDFs may be partial (flagged). $0.01 per document.

Pretty-printer: JSON (2-space indent, sorted keys optional via 'sorted:' prefix), HTML/XML (one tag per line, nested indentation) and SQL (keyword casing and clause breaks). Returns the formatted text, detected type and line count. $0.01 per document.

Dependencies of a PyPI project's latest release: requires_dist parsed into name, version specifier, extras and environment markers; requires_python; license; and the list of optional extras. One-hop Python supply-chain view. $0.01 per project.

Regex tester: runs a JavaScript regular expression (pattern or /pattern/flags) against your text with the global flag, returning every match with index, the capture groups and named groups, the match count, and a 2-second timeout guard against catastrophic patterns. Text is not stored. $0.01 per test.

IETF RFC lookup by number: title, authors, publication date, status (Internet Standard, Proposed Standard, Informational...), page count, obsoletes/obsoleted-by/updates relations, keywords, abstract, and links to the HTML/text versions. Protocol-spec navigation for engineering agents. $0.01 per RFC.

Is a specific bot allowed to fetch a URL? Fetches the site's robots.txt and evaluates the path for the named user-agent (GPTBot, ClaudeBot, Googlebot, Bingbot, CCBot, PerplexityBot or any token), returning allowed/disallowed, the matching rule and group, crawl-delay, and whether the bot has a dedicated group or falls back to *. Pre-flight for compliant scraping agents. $0.01 per check.

Semantic-version helper: compare two versions (-1/0/1 with which is newer), test whether a version satisfies a range (^, ~, >=, <, x-ranges, hyphen ranges, ||), or sort a comma/space list of versions descending with prerelease handling. Parses major/minor/patch/prerelease/build. $0.01 per operation.

Sitemap validator: fetches a sitemap or index, checks well-formedness, namespace, type (urlset/sitemapindex), counts entries, validates loc URLs (absolute, same host, no duplicates), lastmod formats, changefreq/priority values, the 50,000-URL and 50 MB limits, gzip, and lists the first errors. Returns valid true/false with error and warning lists. $0.01 per sitemap.

TOML to JSON converter: tables, nested dotted keys, arrays of tables [[x]], inline tables, arrays, strings (basic, literal, multi-line), integers with underscores, floats, booleans and dates (kept as strings). Reads Cargo.toml, pyproject.toml, wrangler.toml and similar configs. $0.01 per conversion.

WebFinger lookup (RFC 7033): resolves acct:user@domain or a resource URI via /.well-known/webfinger and returns the subject, aliases, and links (ActivityPub actor, profile page, avatar, OIDC issuer, remote-follow template). Identity resolution for fediverse and decentralised-auth agents. $0.01 per lookup.

OpenID Connect discovery for an issuer: fetches /.well-known/openid-configuration and summarises issuer, authorization/token/userinfo/jwks/end-session/registration endpoints, supported scopes, response types, grant types, PKCE methods, signing algorithms, claims and subject types. Integration pre-check for auth agents. $0.01 per issuer.

XML to JSON converter producing an element tree ({name, attrs, text, children}) that preserves order, attributes, CDATA and repeated elements, plus the element count. Handles up to 5,000 elements. Sitemaps, feeds, SOAP bodies and config files. $0.01 per conversion.

YAML to JSON converter for block-style YAML (nested maps, lists, scalars with type inference, quoted strings, comments, literal | and folded > blocks, inline JSON arrays/objects). Returns the parsed JSON and the top-level keys. Ideal for reading CI configs, Kubernetes manifests and docker-compose files. Anchors/aliases and multi-document files are not supported. $0.01 per conversion.

Disposable / temporary email detection: is this address or domain a throwaway (Mailinator, Guerrilla Mail, 10minutemail, YOPmail...), a free webmail provider (Gmail, Outlook...), or a role address (info@, admin@)? Includes MX presence and a deliverability verdict. Signup fraud prevention and list hygiene. $0.01 per address.

DNS lookup for any domain in one call: A records (IPv4), MX records with priority, all TXT records, the inferred mail provider, and whether SPF and DMARC records exist. Fast DNS-over-HTTPS resolution, JSON output, no API key. Useful for domain research, email routing checks and infrastructure discovery. $0.01 per lookup.

DNS A record lookup: resolve a domain name to its IPv4 addresses with TTL, record count, DNSSEC validation flag and response code, via DNS-over-HTTPS. Fast, no API key. $0.01 per lookup.

All common DNS records for a domain in one call: A, AAAA, MX, TXT, NS, SOA, CNAME, CAA and HTTPS, plus DNSSEC validation state. A complete DNS snapshot for audits, migrations and change tracking. $0.01 per domain.