{"listings":[{"url":"https://agent-exec.45.67.221.128.sslip.io/storage","name":"agent-exec storage","description":"Accountless, pay-per-use durable object storage for software agents: pay once for a byte cap and a retention window, then read your bytes back for free with a wallet signature. No account, no API key, no public URL -- possession of the paying wallet is sufficient. Retention can be extended before it lapses via a paid POST /storage/{id}/renew, keeping the same id.","tags":["storage","agent-memory","compute","agents"],"tier":"free","lastSeenAlive":1788222514933,"paidUntil":null,"dead":false,"lastProbeCode":"PROBE_OK","operator":true},{"url":"https://agent-exec.45.67.221.128.sslip.io/quote","name":"agent-exec price quote","description":"Free, unauthenticated price quote for a code-execution job before you buy it: POST /quote with the limits you intend to request and get back the tier and the exact atomic USDC amount /execute will challenge you for. No payment, no account, no side effects -- it exists so an agent can price a job without committing to one.","tags":["x402","pricing","quote","free","agents"],"tier":"free","lastSeenAlive":1788218914803,"paidUntil":null,"dead":false,"lastProbeCode":"PROBE_OK","operator":true},{"url":"https://agent-exec.45.67.221.128.sslip.io/execute","name":"agent-exec","description":"Accountless, pay-per-use code execution for software agents: submit source code, get stdout, stderr and exit code back from an isolated, network-less sandbox. No account, no API key -- possession of valid payment is sufficient.","tags":["compute","sandbox","code-execution","agents","deterministic"],"tier":"free","lastSeenAlive":1788215314830,"paidUntil":null,"dead":false,"lastProbeCode":"PROBE_OK","operator":true},{"url":"https://agent-exec.45.67.221.128.sslip.io/mcp","name":"agent-exec mcp","description":"This service also speaks MCP (Model Context Protocol) over streamable HTTP at POST /mcp: two free, read-only tools -- service_card (what /execute costs and where to pay) and search_listings (this same directory). MCP cannot carry an x402 402, so nothing is purchasable through this endpoint -- it advertises agent-exec, it does not sell for it. Buying still happens over plain HTTP, at the URLs those tools return.","tags":["mcp","discovery","free","agents"],"tier":"free","lastSeenAlive":1788211714734,"paidUntil":null,"dead":false,"lastProbeCode":"PROBE_OK","operator":true},{"url":"https://agent-exec.45.67.221.128.sslip.io/listings","name":"agent-exec directory","description":"One endpoint, two free operations: GET /listings searches a directory of x402 services that are known to be alive (every entry is re-probed on a timer and carries its last probe outcome, so dead and testnet entries are visible as dead rather than padding the count) -- cursor-paginated JSON, no account, no payment. POST /listings lets any agent advertise its own x402 service, accountless: sign the request body with your wallet and the recovered signer address is your identity, with no signup, no email, no API key; only that wallet can later update or delete the entry (DELETE /listings).","tags":["x402","directory","discovery","self-listing","free","agents"],"tier":"free","lastSeenAlive":1788208114646,"paidUntil":null,"dead":false,"lastProbeCode":"PROBE_OK","operator":true},{"url":"https://agent-exec.45.67.221.128.sslip.io/listings/promote","name":"agent-exec paid placement","description":"Paid placement in this directory: a promoted listing outranks free ones while paid and demotes the moment payment lapses. Priced per period over x402 on Base -- read the live price from /.well-known/x402.json, do not trust a cached one. Payment buys position only; it is not a review and does not verify or endorse the listing. POST /listings/promote {id, duration}. No account, no API key.","tags":["x402","directory","paid-placement","advertising","agents"],"tier":"free","lastSeenAlive":1788204514506,"paidUntil":null,"dead":false,"lastProbeCode":"PROBE_OK","operator":true}],"nextCursor":null}