Applications, APIs & agent tools
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Listing ID: x402:5b6bb6486101d1d4d1f81c89523dc264c0c4e38a8a24db7478cdf8d986a4666f
Light company check for an agent: is the company on the NL (KVK) or BE (KBO) register and active, is its EU VAT number valid (VIES), and does it…
Listing ID: x402:24837fa14eabf02643590a5a0d566408222095b763cc6eadfbf893963d77c298
AI-stack CVE intelligence. Filters fresh security disclosures to vendors and products in the AI inference, agent framework, training, vector DB,…
Security & proof · inferred
Listing ID: x402:830ad14d36443f043232ca40eaffa29ef304497e9faf37a45c042c91680fa57a
Compare nonnegative declared counts against an explicit ceiling in matching units. Bounds are caller policy, not security strength, material saf…
Listing ID: x402:d5b21c8aab38e26fd67ce3737cd74cf02680d86dc2a9ede15e6274a6c97438e7
Accounting, reconciliation and audit trail for autonomous agent spending. Every x402 purchase becomes a receipt matched against the on-chain USD…
Listing 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…
Listing ID: x402:099ff9acab243b2345238265eff0905377adcd934cd8be3c4241a3eb056b2619
List the domain verification tokens in a domain's apex TXT records (google-site-verification, MS=, Atlassian, Facebook, Apple, Adobe, DocuSign, …
Listing ID: x402:eecc0886c060f394c9de70599e1e8efec1e8c2ff4ad9fd06ebafd50a1399b27a
State business-registry record by entity number or exact name: status, formation date, registered agent, city/state/zip addresses; no officers o…
Listing ID: x402:6cb4c9539bf5c4a71b3afbbac49e14b7d42704e79fe62285a7b6d43d7f793069
Xynaptic Skill — Supplier Due Diligence (France): the complete step-by-step method to vet a French supplier before contracting, as an agent-exec…
Listing ID: x402:344a3b78dccac64dba330feef68ecdfe6368c4f91c1581920a4fe639665c6c49
Scores a password by information entropy: character-pool size, length, crack-time against an offline attack (10^10 guesses/s), and common-passwo…
Listing ID: x402:68c46e4c1f97df02fcbb5232dc226c13835037e12f475dba1c1f9938a18ae8e1
Payment-Injection Screen by Agentropolis: send text your agent is about to act on (tool result, web page, email, file). Flags payment-looking in…
Listing ID: a2a:io.2s.2s
The (most) everything API for AI agents, exposed as an A2A agent. This agent's skill is endpoint DISCOVERY: send a natural-language task and it …
Date not suppliedListing ID: x402:b3e893f809e566a012bebdab2e05d64ac119a317ab94fc7bbd4eeebcea2f4d18
Screen untrusted text for prompt-injection and tool-coercion signals before an agent consumes it. Use it before an autonomous workflow acts on u…
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