Beauty & Personal Care

Convert an integer between number bases (radix 2-36), e.g

Base / radix convert

Convert an integer between number bases (radix 2-36), e.g. binary↔hex↔decimal. Arbitrary size via BigInt.

Line-by-line diff of two texts (LCS)

Text diff

Line-by-line diff of two texts (LCS). Returns unified-style ops and change counts. Up to 2000 lines per side.

Generate ULIDs (sortable, timestamp-prefixed identifiers)

ULID generator

Generate ULIDs (sortable, timestamp-prefixed identifiers).

Convert an integer (1-3999) to Roman numerals, or a Roman numeral back to an integer

Roman numerals

Convert an integer (1-3999) to Roman numerals, or a Roman numeral back to an integer. Auto-detects direction.

Encode text to Morse code or decode it back

Morse code

Encode text to Morse code or decode it back. mode: encode (default) or decode. Words separated by ' / '.

Atomically write (or release) a key only if its current value equals `expected` - the c…

Memory compare-and-set

Atomically write (or release) a key only if its current value equals `expected` - the coordination primitive for distributed locks and optimistic concurrency across agen…

USD price for up to 50 Solana token mints in one call from Jupiter's price API v3: pric…

Solana token prices (Jupiter)

USD price for up to 50 Solana token mints in one call from Jupiter's price API v3: price, 24h change, liquidity, decimals and the block the price was read at. Mints Jupi…

Infer a draft-07 JSON Schema from sample JSON document(s)

JSON Schema infer

Infer a draft-07 JSON Schema from sample JSON document(s). Send one sample as json, or several as samples. Heuristic merge rules: required = keys present in every sample…

Count characters, words, lines, and (optionally) occurrences of a substring in text

Count

Count characters, words, lines, and (optionally) occurrences of a substring in text.

Add (or subtract) a duration to a date

Date arithmetic

Add (or subtract) a duration to a date. duration like "2d", "-3h", "1w 2d", "90m". Returns the resulting UTC ISO timestamp.

Atomically increment (or decrement) a numeric key and return the new value - a coordina…

Memory counter

Atomically increment (or decrement) a numeric key and return the new value - a coordination primitive for counters, locks, and rate budgets shared across agents. Creates…

Parse a datetime from any format (ISO 8601, Unix timestamp in seconds or milliseconds,…

Date format

Parse a datetime from any format (ISO 8601, Unix timestamp in seconds or milliseconds, RFC 2822, or natural date string) and return it in every common format: ISO 8601,…

Parse iCalendar (.ics) text into structured JSON events: summary, start/end, location,…

iCalendar parse (.ics)

Parse iCalendar (.ics) text into structured JSON events: summary, start/end, location, organizer, attendees, status, and RRULE. Optional bounded recurrence expansion (ex…

Convert between Unix epoch timestamps and ISO 8601 date strings in both directions

Epoch / ISO converter

Convert between Unix epoch timestamps and ISO 8601 date strings in both directions. Provide either an epoch (seconds or milliseconds) or an ISO date string. Returns both…

Mint a signed JSON Web Token (HMAC: HS256 default, HS384, HS512) from a payload + secret

JWT sign

Mint a signed JSON Web Token (HMAC: HS256 default, HS384, HS512) from a payload + secret. Pairs with jwt-decode/jwt-verify to complete the trio. Deterministic - same pay…

Validate a JSON document against a JSON Schema (draft-07 subset) and get the list of vi…

JSON Schema validate

Validate a JSON document against a JSON Schema (draft-07 subset) and get the list of violations. Supports type, required, properties, items, enum, const, min/max, length…

Decode a JWT without verification: header (algorithm), payload claims (subject, issuer,…

JWT decode

Decode a JWT without verification: header (algorithm), payload claims (subject, issuer, expiration), expiry status, and time remaining. (Decoding only - signatures are N…

Extract/convert the audio track of any media URL (mp4, mov, wav, m4a, ogg…) to MP3 - th…

Audio convert (to MP3)

Extract/convert the audio track of any media URL (mp4, mov, wav, m4a, ogg…) to MP3 - the "mp4 to mp3" conversion, deterministic ffmpeg, no AI. Body: {"url":"https://…/vi…

Full RugCheck report for a Solana token mint, trimmed to what an agent acts on: score a…

Solana token risk report (full)

Full RugCheck report for a Solana token mint, trimmed to what an agent acts on: score and risks, mint/freeze authority state, metadata mutability and update authority, s…

Deterministic static pattern scan of Solidity smart-contract source text - a fixed rule…

Solidity heuristic pattern scan

Deterministic static pattern scan of Solidity smart-contract source text - a fixed ruleset flagging tx.origin authentication, delegatecall, selfdestruct, unchecked low-l…

Markets (tickers) listed on one exchange: base/target pair, last price, 24h volume, USD…

Exchange tickers

Markets (tickers) listed on one exchange: base/target pair, last price, 24h volume, USD- and BTC-converted last price and volume, bid-ask spread %, trust score (green/ye…

Full reported history of a single XBRL concept for one company (e.g

EDGAR XBRL company-concept (one

Full reported history of a single XBRL concept for one company (e.g. quarterly Revenues for Apple). Each datapoint cites the accession number and filing that reported it…

Payment memos attached to B20 transfers: pairs each Memo(address,bytes32) log with its…

B20 payment memos

Payment memos attached to B20 transfers: pairs each Memo(address,bytes32) log with its Transfer at the previous log index (same tx, same token). Give a tx hash for one t…

Price, market cap and 24h volume of a coin on ONE past date (00:00 UTC snapshot), in ev…

Coin snapshot on a date

Price, market cap and 24h volume of a coin on ONE past date (00:00 UTC snapshot), in every currency at once plus your chosen one called out. Pass `date` (YYYY-MM-DD) or…