{"id":1006278,"recorded_at":"2026-10-29T08:26:00.201315Z","observed_at":"2026-10-29T08:26:00.201255Z","subject_kind":"endpoint","subject":"b78782aa-272e-4be6-b7a5-ffc97a54d7a1","kind":"mcp.tools","method":"probe.mcp/1","body":{"count":19,"tools":[{"description":"Buy an active prepared artifact from a wallet-enrolled merchant with standard x402: the first call returns payment requirements; sign locally and retry the same arguments with _meta['x402/payment']. For a wallet tool without typed-data signing, use create_prepared_artifact_transfer_challenge, send the exact USDC amount, make the separate zero-USDC wallet proof, then call complete_prepared_artifact_transfer. Reuse the same identifiers and payment proof after timeouts.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"idempotencyKey":{"pattern":"^[A-Za-z0-9_-]{16,128}$","type":"string"},"merchantId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"},"offerId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"}},"required":["merchantId","offerId","idempotencyKey"],"type":"object"},"name":"buy_prepared_artifact"},{"description":"Rotate a lost merchant API key by submitting the merchant wallet's EIP-191 signature of the exact message returned by create_merchant_credential_rotation_challenge. This method needs no transaction or gas. It returns the replacement key once and invalidates the old one; store the new key securely.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"challengeId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"},"signature":{"pattern":"^0x[0-9a-fA-F]{130}$","type":"string"},"wallet":{"pattern":"^0x[0-9a-fA-F]{40}$","type":"string"}},"required":["wallet","challengeId","signature"],"type":"object"},"name":"complete_merchant_credential_rotation_signature"},{"description":"Rotate a merchant API key after the wallet tool submits and confirms a challenge-specific zero-USDC action. Returns the replacement key once and invalidates the old one. Store the new key in the agent's secret manager immediately.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"challengeId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"},"method":{"enum":["approve_zero","transfer_zero"],"type":"string"},"transactionHash":{"pattern":"^0x[0-9a-fA-F]{64}$","type":"string"},"wallet":{"pattern":"^0x[0-9a-fA-F]{40}$","type":"string"}},"required":["wallet","challengeId","method","transactionHash"],"type":"object"},"name":"complete_merchant_credential_rotation_transaction"},{"description":"Complete merchant enrollment using the EIP-191 signature of the exact message returned by create_merchant_enrollment_challenge. Accepts only a wallet signature, never a private key. Returns the merchant API key once; store it in the agent's secret manager immediately and do not log the result.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"challengeId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"},"name":{"maxLength":64,"minLength":1,"pattern":"^[A-Za-z0-9][A-Za-z0-9._ -]*$","type":"string"},"signature":{"pattern":"^0x[0-9a-fA-F]{130}$","type":"string"},"wallet":{"pattern":"^0x[0-9a-fA-F]{40}$","type":"string"}},"required":["wallet","name","challengeId","signature"],"type":"object"},"name":"complete_merchant_enrollment_signature"},{"description":"Complete enrollment after the wallet tool submits and confirms the challenge-specific zero-USDC action. Accepts the transaction hash; never accepts or needs a private key. Returns the merchant API key once—store it in the agent's secret manager immediately.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"challengeId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"},"method":{"enum":["approve_zero","transfer_zero"],"type":"string"},"name":{"maxLength":64,"minLength":1,"pattern":"^[A-Za-z0-9][A-Za-z0-9._ -]*$","type":"string"},"transactionHash":{"pattern":"^0x[0-9a-fA-F]{64}$","type":"string"},"wallet":{"pattern":"^0x[0-9a-fA-F]{40}$","type":"string"}},"required":["wallet","name","challengeId","method","transactionHash"],"type":"object"},"name":"complete_merchant_enrollment_transaction"},{"description":"Verify a direct Base USDC artifact payment and the buyer's separate zero-USDC wallet-control proof, then deliver the retained artifact. On timeout, retry the same challenge, transaction hashes, and idempotency key; do not send USDC again. The transaction hash alone is not enough to claim a purchase.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"challengeId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"},"idempotencyKey":{"pattern":"^[A-Za-z0-9_-]{16,128}$","type":"string"},"identityTransactionHash":{"pattern":"^0x[0-9a-fA-F]{64}$","type":"string"},"merchantId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"},"method":{"enum":["approve_zero","transfer_zero"],"type":"string"},"offerId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"},"payer":{"pattern":"^0x[0-9a-fA-F]{40}$","type":"string"},"paymentTransactionHash":{"pattern":"^0x[0-9a-fA-F]{64}$","type":"string"}},"required":["merchantId","offerId","payer","challengeId","method","identityTransactionHash","paymentTransactionHash","idempotencyKey"],"type":"object"},"name":"complete_prepared_artifact_transfer"},{"description":"Create a short-lived challenge for the payer wallet to sign accepted or disputed for a retained result. This does not charge or sign for the wallet. The returned message must be signed with EIP-191 by the payer.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"operationId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"},"payer":{"pattern":"^0x[0-9a-fA-F]{40}$","type":"string"},"verdict":{"enum":["accepted","disputed"],"type":"string"}},"required":["operationId","payer","verdict"],"type":"object"},"name":"create_delivery_receipt_challenge"},{"description":"Begin recovery of a lost merchant API key. Returns a five-minute wallet-bound challenge for either gas-free EIP-191 signing or a zero-USDC Base transaction proof. The wallet signs or submits the action; 402Mob never signs for it.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"wallet":{"pattern":"^0x[0-9a-fA-F]{40}$","type":"string"}},"required":["wallet"],"type":"object"},"name":"create_merchant_credential_rotation_challenge"},{"description":"Begin headless merchant enrollment. Returns the exact five-minute EIP-191 message and a Base USDC approve-zero or transfer-zero alternative. Sign the exact message with the merchant wallet, then call complete_merchant_enrollment_signature; or use the wallet action and complete_merchant_enrollment_transaction. 402Mob never receives a private key. Store the returned merchant API key securely.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"name":{"maxLength":64,"minLength":1,"pattern":"^[A-Za-z0-9][A-Za-z0-9._ -]*$","type":"string"},"wallet":{"pattern":"^0x[0-9a-fA-F]{40}$","type":"string"}},"required":["wallet","name"],"type":"object"},"name":"create_merchant_enrollment_challenge"},{"description":"Prepare a noncustodial direct-USDC checkout for a prepared artifact. Returns the seller's payout address and exact amount, plus a separate challenge-bound zero-USDC approval that proves the buyer wallet controls the purchase. Both wallet actions are submitted by the buyer's own wallet tool; 402Mob never holds funds or signs transactions.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"idempotencyKey":{"pattern":"^[A-Za-z0-9_-]{16,128}$","type":"string"},"merchantId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"},"offerId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"},"payer":{"pattern":"^0x[0-9a-fA-F]{40}$","type":"string"}},"required":["merchantId","offerId","payer","idempotencyKey"],"type":"object"},"name":"create_prepared_artifact_transfer_challenge"},{"description":"List a merchant's active prepared-artifact offers, fixed prices, and checkout IDs. This is public and does not require a bearer key.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"merchantId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"}},"required":["merchantId"],"type":"object"},"name":"discover_merchant_offers"},{"description":"List operations assigned to the calling coordinator agent. Requires an Authorization bearer key with operations:read scope.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{},"type":"object"},"name":"list_assigned_operations"},{"description":"Read signed delivery receipt proofs for an assigned operation. Requires operations:read scope in the MCP Authorization header.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"operationId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"}},"required":["operationId"],"type":"object"},"name":"read_assigned_delivery_receipts"},{"description":"Read redacted operation evidence, including result hash, settlement record, and delivery receipt summaries. Requires an assigned operation and operations:read scope in the MCP Authorization header.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"operationId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"}},"required":["operationId"],"type":"object"},"name":"read_assigned_operation_evidence"},{"description":"Check settlement evidence for a pending 402Mob operation using its x402 settlement transaction hash. Requires an assigned operation and both operations:read and operations:reconcile scopes. This does not submit payment.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"operationId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"},"transaction":{"pattern":"^0x[0-9a-fA-F]{64}$","type":"string"}},"required":["operationId","transaction"],"type":"object"},"name":"reconcile_assigned_operation"},{"description":"Compare a Base transaction with an expected USDC invoice sender, recipient and amount. Returns match only after 3 confirmations. Costs 0.02 USDC on Base. Supply and persist an idempotencyKey for safe retries.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"expectedAmountUSDC":{"pattern":"^(?!0+(?:\\.0{1,6})?$)(?:0|[1-9][0-9]{0,17})(?:\\.[0-9]{1,6})?$","type":"string"},"expectedRecipient":{"pattern":"^0x[0-9a-fA-F]{40}$","type":"string"},"expectedSender":{"pattern":"^0x[0-9a-fA-F]{40}$","type":"string"},"idempotencyKey":{"pattern":"^[A-Za-z0-9_-]{16,128}$","type":"string"},"transactionHash":{"pattern":"^0x[0-9a-fA-F]{64}$","type":"string"}},"required":["transactionHash","expectedSender","expectedRecipient","expectedAmountUSDC","idempotencyKey"],"type":"object"},"name":"reconcile_base_invoice"},{"description":"Resolve any known offer ID to the currently published latest version in its immutable offer series. Does not require a bearer key or payment.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"merchantId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"},"offerId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"}},"required":["merchantId","offerId"],"type":"object"},"name":"resolve_latest_merchant_offer"},{"description":"Search the public opt-in merchant directory by name or active offer text. Returns current published versions with prices and checkout references; does not require a merchant ID or bearer key.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"cursor":{"maximum":100000000,"minimum":0,"type":"integer"},"limit":{"maximum":50,"minimum":1,"type":"integer"},"query":{"maxLength":80,"type":"string"}},"type":"object"},"name":"search_merchants"},{"description":"Submit the payer wallet's EIP-191 signature for a delivery receipt challenge. The signature must be created by the payer wallet, not by 402Mob.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"challengeId":{"pattern":"^[a-f0-9]{64}$","type":"string"},"operationId":{"format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$","type":"string"},"signature":{"pattern":"^0x(?:[0-9a-fA-F]{128}|[0-9a-fA-F]{130})$","type":"string"}},"required":["operationId","challengeId","signature"],"type":"object"},"name":"submit_delivery_receipt"}]},"body_sha256":"71ff3ef68c4ef7f6e301e6e58ea00bc7e2ffc0439160bf5c6824b3ef0866e150","prev_id":null,"leaf":"0x8c2c39c2278288716464c8411981952d0e479dfa83d29c771102ddba3cdbf43d","leaf_text":"{\"body\":\"71ff3ef68c4ef7f6e301e6e58ea00bc7e2ffc0439160bf5c6824b3ef0866e150\",\"id\":1006278,\"kind\":\"mcp.tools\",\"method\":\"probe.mcp/1\",\"observed_us\":1793262360201255,\"prev\":null,\"subject\":\"b78782aa-272e-4be6-b7a5-ffc97a54d7a1\",\"subject_kind\":\"endpoint\"}","day":{"day":"2026-10-29","leaves":242798,"root":"0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c","chained":"0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6","anchor_chain":"eip155:5042002","anchor_tx":"0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1","anchor_block":69753317},"proof":["0x8c2c51ed1ec180aaeef0da768c2b4ec0d2ee15db9afe5fd85b894ad9ba3c61d2","0xd9eb47c625b1b420ed7e8d453a79633b311ec72df303cb9c37341d329f9e0c52","0xe4fb56c04f06812e64ddae649cae3ed4042bcb1f0b4036c5fbd5c39dc27e02b2","0x40e439e1c214d021c457bf948782e333a03df4b3b12a0725e7b17d1b5671f0cf","0x9e22f95041e2ba9f88f579fb5b3326222587229fd88d563340d0e9b9e5c450fa","0x51f1762e829403371ae102811b379b0035d62e26e7cc173420f63a59043ca4c2","0xa2286a7b3b253c0d20f29eb35e71cdf62af335ec4dd6c1acefb1e4a77ca66585","0x4cc3d97282bc9ecb7e4949556f00c72cdead7481076f7eabf59ff3e7ecc805ee","0x007a3940bc3650da49c573b909f18a37e0b856eb663a3dbb6fe4513fe4b581c3","0xb0877a7e8a789ab2e77a47cd1eb3687611939ab46053961fa51df8fe365ba532","0x933001d9c1ca3c28f529750f9fd4cb3752c824eaf3e8d43f69192e9ee4c7b340","0x5714806283a0538bd325b02fd19d87af85ca8a5fe4e3ae42806e1fbab999316b","0x63a21345a1456bb8748156be064b8f4fbf3ec1a36d6e9dfc0f579765a560fffc","0x2ec9677def553f2064a7e34081a129a91f7999a429ef2705c4c539a9602f3bbf","0x09d5ec1c01b0f087fe9f6cc95432188552da9adc88004aed57401ea49f2b56d4","0xe38dc587bc010668982bd78025ac33d7326ffc2587f2de00e848da2718907ecf","0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc","0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785"]}