Applications, APIs & agent tools
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21,706 results · Reset
Listing ID: x402:c4004db38ed5bcfe43077e9e994a8deb999a0e21ed9d6e2506f3e32ef7157c6a
Compute exact hash digests of UTF-8 text using Web Crypto (SHA family) and a verified pure-JS MD5 for legacy checksums. Deterministic — identica…
Docs not suppliedListing ID: x402:c8032726ea7c3bf43011350518a8c5d86a5691d8f1aafade42a78dd4a0b65359
Add VAT to a net amount or remove VAT from a gross amount. Standard VAT rates for 36 countries are built in, or override with any custom rate. U…
Docs not suppliedListing ID: x402:ca5a611d1c841962dd4d501262e3cc15614f453f92ee9db8101bcfad27a98da0
Top holders of any NFT collection with exact quantities, individual and cumulative ownership percentages, and concentration statistics — the dis…
Docs not suppliedListing ID: x402:ce1b2e78df0dda4d11b105a3489947b7a0ddce29bd5db3a2aee411491e15da38
Calculate return on investment: profit (or loss) and the percentage return relative to the initial amount invested. Use this when an agent needs…
Docs not suppliedListing ID: x402:ce31f86a184b82216c0f1def6aeb417a9e01303762a875a8b8b0d8d087d622ef
Calculate gross profit, profit margin (profit as % of price) and markup (profit as % of cost) from a unit cost and selling price — the two numbe…
Docs not suppliedListing ID: x402:cf4604a6b2292a3dc27d5abb2bef8db61f073edb70ad88f824afad609807f6d1
Generate cryptographically random UUIDv4s or time-sortable UUIDv7s from a real CSPRNG, and validate any UUID's format, version and variant bits.…
Docs not suppliedListing ID: x402:d9b45d020d29e5d308ade50f8d103e7370e6fa92ca804b685c59ad32ca9cd7f4
Test a regular expression against text and see every match: the matched substring, its index, and all capture groups. Deterministic — the same p…
Docs not suppliedListing ID: x402:e06f527896f46c9c036f34236b18427e0533b0700a2c8c788e56061ec526bce5
Query live DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA) through Cloudflare's DNS-over-HTTPS resolver. Domain validation, email deliverability …
Docs not suppliedListing ID: x402:e1906f7c02ab910b51bbb5ddac2429712848968cc8ed35ff3794da0c45fa9c7a
Parse a User-Agent header into structured data: browser (name/version), rendering engine, operating system, and device type/vendor/model. Determ…
Docs not suppliedListing ID: x402:e1c71bc4e5a2fc205c8c3bbf8d1781d70a9770a65dded9b325b3e239b6b2985f
Build a keccak-256 sorted-pair merkle tree (OpenZeppelin convention) from a list of leaves and get the root plus a verification proof for any le…
Docs not suppliedListing ID: x402:e2f0959e0f09f01482552e02bf1207f6b9d74cff2a1ee2ecb60583d3be57ef0a
Estimate how many tokens a text consumes for each major model family (GPT, Claude, Gemini, Llama, DeepSeek) using a character/word heuristic tha…
Docs not suppliedListing ID: x402:e49862d82eec5a13d69f3671719b2cbd42e2ffbd0cc8680544673e155247de6a
Full registration record for a domain via RDAP (the modern WHOIS): registrar, creation/expiration/last-updated dates with days-to-expiry, namese…
Docs not suppliedOne product card can include several interfaces. Imported listings keep their source IDs; similar titles may describe different tools. Imported categories and prices are not independently verified. About the catalogue