{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.spendpreflight/spendpreflight","description":"Preflight x402 payments. Base ERC-8004 agent #1151628; wallet binding verified Nov 3, 2026.","title":"SpendPreflight","repository":{"url":"https://github.com/spendpreflight/spendpreflight-js","source":"github"},"version":"1.2.0-metadata.8","websiteUrl":"https://spendpreflight.com","icons":[{"src":"https://spendpreflight.com/icon.svg","mimeType":"image/svg+xml","sizes":["any"]},{"src":"https://spendpreflight.com/icon-256.png","mimeType":"image/png","sizes":["256x256"]}],"remotes":[{"type":"streamable-http","url":"https://api.spendpreflight.com/mcp"}],"_meta":{"io.modelcontextprotocol.registry/publisher-provided":{"announcement":"https://spendpreflight.com/blog/new-x402-verification-tools.html","catalog":"https://spendpreflight.com/tools.json","data_apis":"https://spendpreflight.com/tools/data-apis/","examples":"https://github.com/spendpreflight/examples","identity_binding":{"agent_id":"1151628","block_hash":"0xa9f4ca2fbb919b4b94114c83cd3fbd502400286e7e9f3c93a858b6fe05528700","block_number":"53461275","census":{"context":"The ERC-8478 draft author’s October 28, 2026 Robinhood Chain census found 5 matching payment addresses among 5,575 agents returning x402 payment requirements (fewer than 0.1%), from 20,046 registered agents. Almost all mismatches came from one legitimate shared-treasury operator. This is a dated, single-chain observation, not an ecosystem-wide rate, ranking or evidence of fraud.","source":"https://github.com/ethereum/ERCs/blob/8077443251fb6adc6c22afac6de258900d26ca8e/ERCS/erc-8478.md"},"checked_at":"2026-11-03T13:18:52.000Z","outcome":"verified-wallet","payout_wallet":"0xBf4164e07552e4c1b1B1597E72C7acAA3F0a1c58","registration_transaction":"https://basescan.org/tx/0x93bb25e3d17c92a3c7e2392586c9cbbe9c3fcaa5ea826b40274ab9c33174f118","registry":"eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432","scope":"Dated live observation, not continuous monitoring, reputation, delivery, safety or permission to pay.","self_check":"https://spendpreflight.com/tools/payee-binding/self-check-2026-11-03.json","statement":"SpendPreflight's payout wallet (0xBf4164e07552e4c1b1B1597E72C7acAA3F0a1c58) is verifiably bound to its ERC-8004 identity on Base, agent #1151628. Registered November 2, 2026 Pacific (November 3 UTC); the live self-check returned verified-wallet on 2026-11-03T13:18:52.000Z at Base block 53461275."},"more_tools":"get_service_info","new_tools":[{"name":"verify_payee_binding","price":"0.01 USDC; shared trial; not-read without charge","scope":"Draft ERC-8478: nine pinned-block outcomes, direct wallet or EIP-712/ERC-1271 delegation; signed JSON. Not payment approval.","url":"https://spendpreflight.com/tools/payee-binding/"},{"name":"security_check","price":"0.10 USDC; no shared trial","scope":"Full passive coverage from a current complete saved Lint report; no new probe"},{"name":"quote_check","price":"0.001 USDC for usable comparison; unknown without charge; no shared trial","scope":"Supplied exact quote versus cached public evidence; no target request"},{"name":"seller_index","price":"Top three free; extended up to 12 costs 0.01 USDC only with extra matches; no shared trial","scope":"Existing cached public catalog; no new crawl or target request"}],"payee_verification_standard":"ERC-8478 Draft, pinned implementation 8077443251fb6adc6c22afac6de258900d26ca8e","positioning":"SpendPreflight — trust and verification tools for stablecoin payments, built for AI agents and the people who run them.","recommended_tools":["preflight_payment","check_payee","lint_endpoint","check_token","payment_receipt"],"repository_scope":"Public SDK, MCP connection documentation and registry publishing manifest; hosted Worker implementation remains private.","start_here":"preflight_payment"}}},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-11-04T19:24:44.89108Z","publishedAt":"2026-11-04T19:24:44.89108Z","updatedAt":"2026-11-04T19:24:44.89108Z","isLatest":true}}}