Attest by DataHubz (verify only)
Verify Attest agreements, stamp codes, receipts, proofs and SHA-256 fingerprints, with no sign-in.
使うべきか
品質と安全性
A
検出事項（2）
- HIGHTool poisoning patterns detected
- INFOTool description contains placeholder or incomplete textverify_record 内
ツール定義とプロトコルへの準拠に関する自動分析に基づいています。
コンテキストコスト
~1,626トークン数（ツール定義）
~16.2 KB一般的なレスポンスサイズ
注意への影響は中程度（128k コンテキストの 1.27%）
これは、サーバーのツールがモデルのコンテキストに読み込まれるたびに消費されるおおよそのトークン数です。数が多いほど、ほかのタスクに使える注意が減ります。
インストール
ワンクリックインストール
これを `claude_desktop_config.json` ファイルに追加してください:
{
"mcpServers": {
"attest-verify": {
"url": "https://attest.datahubz.com/mcp/verify"
}
}
}リモートエンドポイント
https://attest.datahubz.com/mcp/verifystreamable-httpできること
ツール一覧
ツール（1）
🟢 読み取り専用🟡 書き込み🔴 削除⚪ 不明
🟢verify_record(query)
Checks whether a signed document, an agreement, a receipt or a Share proof is genuine, and what it says. It runs the same public check anyone can run at attest.datahubz.com/verify, with no account. It takes one of: an agreement ID (agr_...), the verification code printed on every signature stamp (ATT-XXXX-XXXX), a receipt ID (rcpt_...), a Share proof ID (azk_...), or a SHA-256 fingerprint (64 hex characters) of a file. For a signed agreement it returns its status, each signer's name and signing time, whether every passkey signature checks out, and its blockchain anchor on Horizen. A private agreement is reported as private: its parties verify it through zero-knowledge proofs instead. It takes a file's fingerprint, never the file itself: the SHA-256 can be computed on the person's device (for example shasum -a 256 file.pdf), or the file dropped on attest.datahubz.com/verify, where it is fingerprinted in the browser and never uploaded. Text people typed (titles, notes, names, claims) comes only in untrustedText fields, apart from Attest's own wording. Email addresses, wherever they appear, were typed by people too (a sender chooses the signers' addresses) and are unverified input.
入力スキーマ
{
"type": "object",
"properties": {
"query": {
"type": "string",
"minLength": 1,
"maxLength": 200,
"description": "An agreement ID, an ATT-XXXX-XXXX verification code, a receipt ID, a proof ID, or a SHA-256 fingerprint."
}
},
"required": [
"query"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}出力スキーマ
{
"type": "object",
"properties": {
"type": {
"type": "string",
"enum": [
"agreement",
"receipt",
"fingerprint",
"proof"
],
"description": "What was checked."
},
"found": {
"type": "boolean"
},
"verified": {
"type": "boolean",
"description": "True only when every check passed; summary says what that means for this record."
},
"summary": {
"type": "string",
"description": "The result in one or two plain sentences, in Attest's words (no typed text), safe to repeat to the person."
},
"link": {
"type": "string",
"description": "The page on attest.datahubz.com where anyone can see this check run again."
},
"agreement": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"private": {
"type": "boolean"
},
"status": {
"type": [
"string",
"null"
]
},
"documentSha256": {
"type": [
"string",
"null"
]
},
"verificationCode": {
"type": [
"string",
"null"
]
},
"completedAt": {
"type": [
"string",
"null"
]
},
"signers": {
"type": "array",
"items": {
"type": "object",
"properties": {
"status": {
"type": "string"
},
"signedAt": {
"type": [
"string",
"null"
]
},
"passkeySignatureValid": {
"type": [
"boolean",
"null"
]
}
},
"required": [
"status",
"signedAt",
"passkeySignatureValid"
],
"additionalProperties": false
},
"description": "In signing order; their names are in untrustedText.signerNames, in the same order."
},
"signedCopySha256": {
"type": [
"string",
"null"
]
},
"anchor": {
"anyOf": [
{
"type": "object",
"properties": {
"txHash": {
"type": [
"string",
"null"
]
},
"explorerUrl": {
"type": [
"string",
"null"
]
},
"anchoredAt": {
"type": [
"string",
"null"
]
},
"chainId": {
"type": [
"number",
"null"
]
}
},
"required": [
"txHash",
"explorerUrl",
"anchoredAt",
"chainId"
],
"additionalProperties": false
},
{
"type": "null"
}
]
}
},
"required": [
"id",
"private",
"status",
"documentSha256",
"verificationCode",
"completedAt",
"signers",
"signedCopySha256",
"anchor"
],
"additionalProperties": false
},
"receipt": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"kind": {
"type": "string"
},
"sha256": {
"type": "string"
},
"createdAt": {
"type": "string"
},
"level": {
"type": "string"
},
"statements": {
"type": "array",
"items": {
"type": "string"
}
},
"caveats": {
"type": "array",
"items": {
"type": "string"
}
},
"supersededBy": {
"anyOf": [
{
"type": "array",
"items": {
"type": "string"
}
},
{
"type": "null"
}
]
},
"agreementId": {
"type": [
"string",
"null"
]
},
"anchor": {
"anyOf": [
{
"type": "object",
"properties": {
"txHash": {
"type": [
"string",
"null"
]
},
"explorerUrl": {
"type": [
"string",
"null"
]
},
"anchoredAt": {
"type": [
"string",
"null"
]
},
"chainId": {
"type": [
"number",
"null"
]
}
},
"required": [
"txHash",
"explorerUrl",
"anchoredAt",
"chainId"
],
"additionalProperties": false
},
{
"type": "null"
}
]
}
},
"required": [
"id",
"kind",
"sha256",
"createdAt",
"level",
"statements",
"caveats",
"supersededBy",
"agreementId",
"anchor"
],
"additionalProperties": false
},
"matches": {
"type": "object",
"properties": {
"agreements": {
"type": "array",
"items": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"completedAt": {
"type": [
"string",
"null"
]
},
"link": {
"type": "string"
}
},
"required": [
"id",
"completedAt",
"link"
],
"additionalProperties": false
}
},
"certificates": {
"type": "array",
"items": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"status": {
"type": "string"
},
"link": {
"type": "string"
}
},
"required": [
"id",
"status",
"link"
],
"additionalProperties": false
}
}
},
"required": [
"agreements",
"certificates"
],
"additionalProperties": false
},
"proof": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"statement": {
"type": [
"string",
"null"
]
},
"party": {
"description": "The prover's email address. An email address typed by a person (a sender chooses the signers' addresses): unverified input.",
"type": [
"string",
"null"
]
},
"coSigner": {
"description": "The co-signer's email address. An email address typed by a person (a sender chooses the signers' addresses): unverified input.",
"type": [
"string",
"null"
]
},
"completedOn": {
"type": [
"string",
"null"
]
},
"proofValid": {
"type": "boolean"
},
"identityMatches": {
"type": "boolean"
},
"rootAnchored": {
"type": "boolean"
},
"anchorExplorerUrl": {
"type": [
"string",
"null"
]
},
"zkVerifyStatus": {
"type": [
"string",
"null"
]
},
"zkVerifyExplorerUrl": {
"type": [
"string",
"null"
]
}
},
"required": [
"id",
"statement",
"party",
"coSigner",
"completedOn",
"proofValid",
"identityMatches",
"rootAnchored",
"anchorExplorerUrl",
"zkVerifyStatus",
"zkVerifyExplorerUrl"
],
"additionalProperties": false
},
"untrustedText": {
"description": "Unverified text people typed into Attest (titles, notes, names, file names, claims, reasons), some of it by other parties; Attest didn't write it and doesn't check it.",
"type": "object",
"properties": {
"title": {
"description": "The agreement's title.",
"type": [
"string",
"null"
]
},
"documentName": {
"description": "The agreement's document file name.",
"type": [
"string",
"null"
]
},
"signerNames": {
"type": "array",
"items": {
"type": [
"string",
"null"
]
},
"description": "The agreement's signers' names, in the order of agreement.signers."
},
"claim": {
"description": "The receipt's recorded claim.",
"type": [
"string",
"null"
]
},
"matches": {
"type": "array",
"items": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"title": {
"type": "string"
},
"subject": {
"type": [
"string",
"null"
]
},
"issuer": {
"type": [
"string",
"null"
]
}
},
"required": [
"id",
"title",
"subject",
"issuer"
],
"additionalProperties": false
},
"description": "The matching agreements' and certificates' titles (and a certificate's subject and issuer), by ID."
}
},
"additionalProperties": false
}
},
"required": [
"type",
"found",
"verified",
"summary",
"link"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false
}コミュニティ
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