566 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Expands an RFC 5545 RRULE (FREQ DAILY/WEEKLY/MONTHLY/YEARLY, INTERVAL, COUNT, UNTIL, BYDAY with ordinals, BYMONTHDAY, BYMONTH, BYSETPOS, WKST; DTSTART with TZID; EXDATE) or a crontab(5) expression into up to 366 occurren...
For a time zone and a date range of up to 1100 days, lists every offset transition and what it does to local bucketing: the hourly labels that never occur (spring-forward), the hourly labels that occur twice and would me...
Intersects up to 20 participants' free windows (up to 200 each, half-open RFC 3339 intervals with Z or offsets, so mixed time zones are fine) into the common slots at least minMinutes long, optionally clipped to a search...
Converts a Gregorian date (or a Hebrew, Persian, Ethiopian or Hijri date) to the other calendars via the runtime's ICU, always naming the Hijri variant (Umm al-Qura, tabular civil, tabular astronomical-epoch, ICU astrono...
Checks one proposed appointment (instant + duration) against a venue's local opening hours per weekday, closed dates or a named holiday calendar, up to 500 existing bookings with a buffer on each side, and a minimum noti...
Solves a simple temporal network: up to 40 named time points, up to 200 difference constraints 'b is between min and max minutes after a' and optional fixed instants, relative to a caller origin instant. When consistent...
For up to 100 lots, computes the expiry date from manufacture/fill date + shelf life (days, weeks, months, years; month arithmetic clamps to month end) and from opened date + after-opening life, takes the earlier, and ch...
Given a required date range (a contract term, a project, a shipment window) and up to 200 credentials each valid from a date to a date (both inclusive), reports the merged covered ranges, every uncovered gap with its fir...
Counts days between a received date and a released date for storage, demurrage, detention or parking charges: you state whether the receipt day and the release day count, how free days are counted (calendar or business d...
Given a booking start, the moment of change, the booking amount and a tiered policy whose deadlines are either elapsed hours before start ('48 hours') or local calendar days at a local time ('18:00 the day before' in the...
For up to 100 people, computes age in complete years and months on a caller asOf date, the date they reach each minimum age (the birthday) and the first day they exceed each maximum age, and checks min/max age requiremen...
Parses a dependency version range in npm (node-semver), PEP 440 specifier, Cargo requirement or Maven range syntax and tests up to 100 candidate versions against it, for agents that write or review manifests. Returns per...
Parses up to 50 SPDX license expressions (AND, OR, WITH exceptions, + or-later, LicenseRef) and evaluates each against a caller policy (allow list, deny list, allowed exceptions, OSI/FSF flags, copyleft tier) for agents...
Checks that up to 20 named exports (functions, classes, constants, types, default) exist in the .d.ts files published for an exact npm package version, read from jsDelivr, for coding agents that may be calling an API tha...
Lists the wheels PyPI offers for a package release and picks those compatible with a given CPython version, OS, CPU architecture and libc (glibc or musl version, or macOS version), best match first, for agents choosing b...
Checks whether up to 10 package names (optionally with a version) exist in the live npm, PyPI or crates.io registry, for coding agents about to add a dependency they may have invented. Per package: exists, latest version...
Statically analyses an ECMAScript regular expression (up to 500 characters) for catastrophic backtracking (nested or overlapping quantifiers, ambiguous alternation in a loop, backreferences, lookarounds) for agents that...
Checks one SQL string (up to 20000 characters; PostgreSQL, MySQL, SQLite or generic) before an agent executes it: exactly one statement, read-only (SELECT/VALUES/SHOW/EXPLAIN without side effects), and every table it rea...
Classifies each statement of a PostgreSQL, MySQL or SQLite migration (up to 20000 characters) as reversible, needing a backup, needing the original definition, or irreversible, for agents that write or review schema migr...
Decodes a compact JWT (never verifies the signature) and checks it against RFC 7519 and RFC 8725 for an agent about to trust or forward it: alg none or missing, crit and key-supplying headers (jku, x5u, jwk), kid injecti...
Evaluates up to 25 file paths against the text of a .gitignore, a CODEOWNERS file or a list of glob patterns and reports, per path, whether it matched, the winning rule's line and pattern, and why (last match wins, direc...
Compares an old and a new manifest and reports every way the new one gains privilege, for agents reviewing dependency bumps and extension or app updates. npm package.json: new or changed install-time lifecycle scripts, g...
Takes a lockfile (package-lock.json or a YAML lockfile such as pnpm-lock.yaml) containing git merge-conflict markers, rebuilds both sides, and merges them key by key (using the diff3 base when present), returning the res...
Validates the format and check digit of up to 100 identifiers per call, for an agent about to put an IBAN, ISBN, GTIN/EAN/UPC, container number, VIN, ISIN, CUSIP, SEDOL, LEI, IMO number, BIC or Luhn number into a payment...