← The evidence ledger
Evidence row 568044
Observed , by probe.mcp/1.
- Kind
- mcp.tools
- About
- endpoint 574a46b6-0400-4939-9744-8bc361de1a04
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 35f139f327e401b7ed61cab2ba6ab6405b3ba26aff6efbc8d42d2617612264a0
- Leaf
- 0x9a8d942d30e6ef9627191e6cf39966eb9d0a6bf5e02163de5993bdd5f4dc644a
What was observed
{
"count": 3,
"tools": [
{
"description": "Use this when the user asks whether a brand is reputable or what kind of brand it is (an established name, a store's own label, an independent maker, or a generic white-label name), or wants brands compared while shopping. Returns findings on each brand: what kind of brand it is, its reputation for quality and its usual price tier, each with a confidence. Signals only, never a buy or avoid verdict. Does not browse the web and is not for banking, health or email pages. Pass brand names as the user or the listing gave them, up to 50 per call.",
"inputSchema": {
"properties": {
"brands": {
"description": "Brand names, 1-50.",
"items": {
"maxLength": 200,
"minLength": 1,
"type": "string"
},
"maxItems": 50,
"minItems": 1,
"type": "array"
},
"detail": {
"description": "Include each finding's full probability distribution. Default false.",
"type": "boolean"
}
},
"required": [
"brands"
],
"type": "object"
},
"name": "check_brands"
},
{
"description": "Use this when the user is looking at a specific product listing on an online store and wants to know whether it looks trustworthy or like a good buy. Pass what you already read from the listing as arguments: title (required) and, when shown, brand, price, listPrice (the seller's \"was\" price), currency, url, seller, category, rating, reviewCount and key details; each extra field sharpens the read. Returns findings such as generic white-label product, quality, price, questionable discount, review credibility and seller legitimacy, each with a confidence, plus a report on the brand unless includeBrand is false. Signals only, never a buy or avoid verdict. Does not browse: only the domain of url is used. Not for banking, health, government or email pages.",
"inputSchema": {
"properties": {
"brand": {
"description": "Brand or maker, if the listing names one.",
"maxLength": 200,
"type": "string"
},
"category": {
"description": "Product category, e.g. \"Headphones\".",
"maxLength": 300,
"type": "string"
},
"currency": {
"description": "ISO 4217 code for price and listPrice. Default USD.",
"pattern": "^[A-Za-z]{3}$",
"type": "string"
},
"detail": {
"description": "Include each finding's full probability distribution. Default false.",
"type": "boolean"
},
"details": {
"description": "Key specs or bullet points as plain text. Longer text is trimmed.",
"maxLength": 20000,
"type": "string"
},
"id": {
"description": "Your own id for this product (e.g. an ASIN or list index); echoed back.",
"maxLength": 100,
"type": "string"
},
"includeBrand": {
"description": "Also report on the brand the listing names (its brand field), with findings on the brand itself. Default true.",
"type": "boolean"
},
"listPrice": {
"description": "The seller's \"was\" / \"list\" / \"typical\" price, if shown.",
"maximum": 10000000,
"minimum": 0,
"type": "number"
},
"price": {
"description": "What the buyer would pay now, as a number.",
"maximum": 10000000,
"minimum": 0,
"type": "number"
},
"rating": {
"description": "Average star rating out of 5.",
"maximum": 5,
"minimum": 0,
"type": "number"
},
"reviewCount": {
"description": "Number of ratings or reviews.",
"maximum": 1000000000,
"minimum": 0,
"type": "integer"
},
"seller": {
"description": "Seller or store name, if different from the site.",
"maxLength": 300,
"type": "string"
},
"title": {
"description": "Product title exactly as the listing shows it.",
"maxLength": 1000,
"minLength": 1,
"type": "string"
},
"url": {
"description": "Listing URL. Only its domain is used.",
"maxLength": 2048,
"type": "string"
}
},
"required": [
"title"
],
"type": "object"
},
"name": "check_product"
},
{
"description": "Use this when the user is comparing several product listings, such as search results or the same item at different stores, and wants trust signals on each. Pass up to 20 products, each with what you already read from its listing: title (required) and, when shown, brand, price, listPrice, currency, url, seller, category, rating, reviewCount, details, plus your own id to match results. Returns, in input order, the same findings as check_product for each; a product that can't be checked carries an error and message instead. Signals only, never a buy or avoid verdict. Does not browse the web. Not for banking, health, government or email pages.",
"inputSchema": {
"properties": {
"detail": {
"description": "Include each finding's full probability distribution. Default false.",
"type": "boolean"
},
"includeBrand": {
"description": "Also report on the brand the listing names (its brand field), with findings on the brand itself. Default true.",
"type": "boolean"
},
"products": {
"description": "Products, 1-20.",
"items": {
"description": "A product as seen on a store listing. Only title is required; each extra field sharpens the read.",
"properties": {
"brand": {
"description": "Brand or maker, if the listing names one.",
"maxLength": 200,
"type": "string"
},
"category": {
"description": "Product category, e.g. \"Headphones\".",
"maxLength": 300,
"type": "string"
},
"currency": {
"description": "ISO 4217 code for price and listPrice. Default USD.",
"pattern": "^[A-Za-z]{3}$",
"type": "string"
},
"details": {
"description": "Key specs or bullet points as plain text. Longer text is trimmed.",
"maxLength": 20000,
"type": "string"
},
"id": {
"description": "Your own id for this product (e.g. an ASIN or list index); echoed back.",
"maxLength": 100,
"type": "string"
},
"listPrice": {
"description": "The seller's \"was\" / \"list\" / \"typical\" price, if shown.",
"maximum": 10000000,
"minimum": 0,
"type": "number"
},
"price": {
"description": "What the buyer would pay now, as a number.",
"maximum": 10000000,
"minimum": 0,
"type": "number"
},
"rating": {
"description": "Average star rating out of 5.",
"maximum": 5,
"minimum": 0,
"type": "number"
},
"reviewCount": {
"description": "Number of ratings or reviews.",
"maximum": 1000000000,
"minimum": 0,
"type": "integer"
},
"seller": {
"description": "Seller or store name, if different from the site.",
"maxLength": 300,
"type": "string"
},
"title": {
"description": "Product title exactly as the listing shows it.",
"maxLength": 1000,
"minLength": 1,
"type": "string"
},
"url": {
"description": "Listing URL. Only its domain is used.",
"maxLength": 2048,
"type": "string"
}
},
"required": [
"title"
],
"type": "object"
},
"maxItems": 20,
"minItems": 1,
"type": "array"
}
},
"required": [
"products"
],
"type": "object"
},
"name": "check_products"
}
]
}What the leaf hashes
{"body":"35f139f327e401b7ed61cab2ba6ab6405b3ba26aff6efbc8d42d2617612264a0","id":568044,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138905429431,"prev":null,"subject":"574a46b6-0400-4939-9744-8bc361de1a04","subject_kind":"endpoint"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).
- 0x9a8db90a91764acaad7544fd262bc97a5d87c668bc94cdc28d4131c205609289
- 0xb674fe75d226423a2b6e57c7e5cc3d818fa897397d91ceb64fdf48c6eee62a81
- 0xe49d3be38c15cd36b3477aa50e5749320e42984c4b0869cf694e35433fe73638
- 0xb71d76cccfc501e670c84cd610b7c809033fbeafda746d45e976d77f0fd236b1
- 0x6c7135b433298db71de3f74c653f14c42ca24057883f36d2be0c80bec6f13656
- 0x53c4c15fc974e0975bc9cd96d473cf28adc0bfe11d5f66558dd36a0ec615baa4
- 0x23d6d8e8604bf0e0cd806c4c1c8d1ec859e5fcc1ffc0abf0ce85e6c6275fdef6
- 0x6cc29d711d7dcf333a3f92f5e077eb8c78755f10be5174bfadcf401f46fc563a
- 0x5b51e4b08e7f0e857d5c9b366423885b913156f2948ba43b836844326e4a6583
- 0x15d5a347a56d34cf4eb353e64f6d8738efc6372948fc366afaf95e549f14dfc0
- 0x45eb84ef7edaba53d2691240e1a51a75999ececafd444acbad8a99f54c7dd449
- 0xaf993fe1020a8b1831a83a3f25a47d44065b1a3db518b49690cdf7bb3a275984
- 0xe8a6f20810396abd4baf9472081cda6d396bc7cf52a77bffdd9f33b41c62adcc
- 0xb37e6165108af3c1962db6b76953aee5ee86201747a07444ad2760bf2d5dca23
- 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
- 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
- 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4