{
"x402Version": 2,
"id": 37824,
"slug": "37824",
"resource": "https://mcp.dropenginehq.com/api/invoice-preflight",
"description": "Check invoice amounts, purchase details and line items; return match, discrepancy or needs_review with evidence.",
"type": "http",
"serviceName": "Invoice Preflight",
"resourceType": "MCP Tool",
"accepts": [
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xc7693f1ba43E6D1F1885292E1194dc1FDc6e7585",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "65000",
"amountUsd": 0.065,
"maxTimeoutSeconds": 300
}
],
"outputSchema": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"checks": {
"items": {
"additionalProperties": false,
"properties": {
"actual": {
"type": "string"
},
"calculated": {
"type": "string"
},
"expected": {
"type": "string"
},
"field": {
"type": "string"
},
"status": {
"enum": [
"match",
"discrepancy",
"needs_review"
],
"type": "string"
}
},
"required": [
"field",
"status"
],
"type": "object"
},
"type": "array"
},
"decision": {
"enum": [
"match",
"discrepancy",
"needs_review"
],
"type": "string"
},
"evidence": {
"items": {
"additionalProperties": false,
"properties": {
"field": {
"type": "string"
},
"source": {
"type": "string"
},
"text": {
"type": "string"
}
},
"required": [
"field",
"source",
"text"
],
"type": "object"
},
"type": "array"
},
"invoice": {
"additionalProperties": false,
"properties": {
"currency": {
"type": [
"string",
"null"
]
},
"line_items": {
"items": {
"additionalProperties": false,
"properties": {
"amount": {
"type": "string"
},
"description": {
"type": [
"string",
"null"
]
}
},
"required": [
"description",
"amount"
],
"type": "object"
},
"type": "array"
},
"number": {
"type": [
"string",
"null"
]
},
"purchase_order": {
"type": [
"string",
"null"
]
},
"subtotal": {
"type": [
"string",
"null"
]
},
"supplier_name": {
"type": [
"string",
"null"
]
},
"tax": {
"type": [
"string",
"null"
]
},
"total": {
"type": [
"string",
"null"
]
}
},
"required": [
"number",
"supplier_name",
"purchase_order",
"currency",
"subtotal",
"tax",
"total",
"line_items"
],
"type": "object"
},
"pages_processed": {
"minimum": 1,
"type": "integer"
},
"source_sha256": {
"type": "string"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"decision",
"invoice",
"checks",
"evidence",
"source_sha256",
"warnings"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"document_xml": "\n\n INV-8821\n USD\n PO-8841\n Example Ltd\n 24.00\n 100.00124.00\n 160.00Service A\n 240.00Service B\n",
"expected": {
"currency": "USD",
"purchase_order": "PO-8841",
"supplier_name": "Example Ltd",
"total": "124.00"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"checks": [
{
"actual": "Example Ltd",
"expected": "Example Ltd",
"field": "supplier_name",
"status": "match"
},
{
"actual": "PO-8841",
"expected": "PO-8841",
"field": "purchase_order",
"status": "match"
},
{
"actual": "USD",
"expected": "USD",
"field": "currency",
"status": "match"
},
{
"actual": "124.00",
"expected": "124.00",
"field": "total",
"status": "match"
},
{
"actual": "100.00",
"calculated": "100.00",
"field": "line_items_sum",
"status": "match"
},
{
"actual": "124.00",
"calculated": "124.00",
"field": "subtotal_plus_tax",
"status": "match"
}
],
"decision": "match",
"evidence": [
{
"field": "number",
"source": "Invoice/ID",
"text": "INV-8821"
},
{
"field": "supplier_name",
"source": "Invoice/AccountingSupplierParty/Party/PartyLegalEntity/RegistrationName",
"text": "Example Ltd"
},
{
"field": "purchase_order",
"source": "Invoice/OrderReference/ID",
"text": "PO-8841"
},
{
"field": "currency",
"source": "Invoice/DocumentCurrencyCode",
"text": "USD"
},
{
"field": "subtotal",
"source": "Invoice/LegalMonetaryTotal/TaxExclusiveAmount",
"text": "100.00"
},
{
"field": "tax",
"source": "Invoice/TaxTotal/TaxAmount",
"text": "24.00"
},
{
"field": "total",
"source": "Invoice/LegalMonetaryTotal/PayableAmount",
"text": "124.00"
}
],
"invoice": {
"currency": "USD",
"line_items": [
{
"amount": "60.00",
"description": "Service A"
},
{
"amount": "40.00",
"description": "Service B"
}
],
"number": "INV-8821",
"purchase_order": "PO-8841",
"subtotal": "100.00",
"supplier_name": "Example Ltd",
"tax": "24.00",
"total": "124.00"
},
"source_sha256": "924b90ef73afa563db0e69f5f512e96e8041e9c6e192748011f1a8a809469fed",
"warnings": []
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"anyOf": [
{
"required": [
"document_xml"
]
},
{
"required": [
"document_url"
]
},
{
"required": [
"document_base64",
"mime_type"
]
}
],
"properties": {
"document_base64": {
"description": "Base64 encoded PDF, PNG, or JPEG (up to 10 MB, 3 pages for this tool).",
"type": "string"
},
"document_url": {
"description": "Public HTTPS URL to a PDF, PNG, or JPEG (up to 10 MB, 3 pages for this tool).",
"type": "string"
},
"document_xml": {
"description": "UBL Invoice XML document, up to 1 MB.",
"type": "string"
},
"expected": {
"additionalProperties": false,
"properties": {
"currency": {
"maxLength": 3,
"minLength": 3,
"type": "string"
},
"line_items": {
"items": {
"additionalProperties": false,
"properties": {
"amount": {
"type": "string"
},
"description": {
"maxLength": 300,
"minLength": 1,
"type": "string"
}
},
"required": [
"description",
"amount"
],
"type": "object"
},
"maxItems": 1000,
"minItems": 1,
"type": "array"
},
"purchase_order": {
"type": "string"
},
"subtotal": {
"type": "string"
},
"supplier_name": {
"type": "string"
},
"tax": {
"type": "string"
},
"total": {
"type": "string"
}
},
"type": "object"
},
"mime_type": {
"enum": [
"application/pdf",
"image/png",
"image/jpeg"
],
"type": "string"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"checks": {
"items": {
"additionalProperties": false,
"properties": {
"actual": {
"type": "string"
},
"calculated": {
"type": "string"
},
"expected": {
"type": "string"
},
"field": {
"type": "string"
},
"status": {
"enum": [
"match",
"discrepancy",
"needs_review"
],
"type": "string"
}
},
"required": [
"field",
"status"
],
"type": "object"
},
"type": "array"
},
"decision": {
"enum": [
"match",
"discrepancy",
"needs_review"
],
"type": "string"
},
"evidence": {
"items": {
"additionalProperties": false,
"properties": {
"field": {
"type": "string"
},
"source": {
"type": "string"
},
"text": {
"type": "string"
}
},
"required": [
"field",
"source",
"text"
],
"type": "object"
},
"type": "array"
},
"invoice": {
"additionalProperties": false,
"properties": {
"currency": {
"type": [
"string",
"null"
]
},
"line_items": {
"items": {
"additionalProperties": false,
"properties": {
"amount": {
"type": "string"
},
"description": {
"type": [
"string",
"null"
]
}
},
"required": [
"description",
"amount"
],
"type": "object"
},
"type": "array"
},
"number": {
"type": [
"string",
"null"
]
},
"purchase_order": {
"type": [
"string",
"null"
]
},
"subtotal": {
"type": [
"string",
"null"
]
},
"supplier_name": {
"type": [
"string",
"null"
]
},
"tax": {
"type": [
"string",
"null"
]
},
"total": {
"type": [
"string",
"null"
]
}
},
"required": [
"number",
"supplier_name",
"purchase_order",
"currency",
"subtotal",
"tax",
"total",
"line_items"
],
"type": "object"
},
"pages_processed": {
"minimum": 1,
"type": "integer"
},
"source_sha256": {
"type": "string"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"decision",
"invoice",
"checks",
"evidence",
"source_sha256",
"warnings"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"tags": [
"invoice",
"reconciliation",
"ubl",
"ocr",
"agent",
"bazaar"
],
"sourceHost": "mcp.dropenginehq.com",
"lastUpdated": "2026-10-08T06:08:13.495Z",
"quality": {
"calls30d": 3,
"uniquePayers30d": 2,
"lastCalledAt": "2026-10-08T06:08:13.296Z"
},
"metadata": {
"serviceName": "Invoice Preflight",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"document_xml": "\n\n INV-8821\n USD\n PO-8841\n Example Ltd\n 24.00\n 100.00124.00\n 160.00Service A\n 240.00Service B\n",
"expected": {
"currency": "USD",
"purchase_order": "PO-8841",
"supplier_name": "Example Ltd",
"total": "124.00"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"checks": [
{
"actual": "Example Ltd",
"expected": "Example Ltd",
"field": "supplier_name",
"status": "match"
},
{
"actual": "PO-8841",
"expected": "PO-8841",
"field": "purchase_order",
"status": "match"
},
{
"actual": "USD",
"expected": "USD",
"field": "currency",
"status": "match"
},
{
"actual": "124.00",
"expected": "124.00",
"field": "total",
"status": "match"
},
{
"actual": "100.00",
"calculated": "100.00",
"field": "line_items_sum",
"status": "match"
},
{
"actual": "124.00",
"calculated": "124.00",
"field": "subtotal_plus_tax",
"status": "match"
}
],
"decision": "match",
"evidence": [
{
"field": "number",
"source": "Invoice/ID",
"text": "INV-8821"
},
{
"field": "supplier_name",
"source": "Invoice/AccountingSupplierParty/Party/PartyLegalEntity/RegistrationName",
"text": "Example Ltd"
},
{
"field": "purchase_order",
"source": "Invoice/OrderReference/ID",
"text": "PO-8841"
},
{
"field": "currency",
"source": "Invoice/DocumentCurrencyCode",
"text": "USD"
},
{
"field": "subtotal",
"source": "Invoice/LegalMonetaryTotal/TaxExclusiveAmount",
"text": "100.00"
},
{
"field": "tax",
"source": "Invoice/TaxTotal/TaxAmount",
"text": "24.00"
},
{
"field": "total",
"source": "Invoice/LegalMonetaryTotal/PayableAmount",
"text": "124.00"
}
],
"invoice": {
"currency": "USD",
"line_items": [
{
"amount": "60.00",
"description": "Service A"
},
{
"amount": "40.00",
"description": "Service B"
}
],
"number": "INV-8821",
"purchase_order": "PO-8841",
"subtotal": "100.00",
"supplier_name": "Example Ltd",
"tax": "24.00",
"total": "124.00"
},
"source_sha256": "924b90ef73afa563db0e69f5f512e96e8041e9c6e192748011f1a8a809469fed",
"warnings": []
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"anyOf": [
{
"required": [
"document_xml"
]
},
{
"required": [
"document_url"
]
},
{
"required": [
"document_base64",
"mime_type"
]
}
],
"properties": {
"document_base64": {
"description": "Base64 encoded PDF, PNG, or JPEG (up to 10 MB, 3 pages for this tool).",
"type": "string"
},
"document_url": {
"description": "Public HTTPS URL to a PDF, PNG, or JPEG (up to 10 MB, 3 pages for this tool).",
"type": "string"
},
"document_xml": {
"description": "UBL Invoice XML document, up to 1 MB.",
"type": "string"
},
"expected": {
"additionalProperties": false,
"properties": {
"currency": {
"maxLength": 3,
"minLength": 3,
"type": "string"
},
"line_items": {
"items": {
"additionalProperties": false,
"properties": {
"amount": {
"type": "string"
},
"description": {
"maxLength": 300,
"minLength": 1,
"type": "string"
}
},
"required": [
"description",
"amount"
],
"type": "object"
},
"maxItems": 1000,
"minItems": 1,
"type": "array"
},
"purchase_order": {
"type": "string"
},
"subtotal": {
"type": "string"
},
"supplier_name": {
"type": "string"
},
"tax": {
"type": "string"
},
"total": {
"type": "string"
}
},
"type": "object"
},
"mime_type": {
"enum": [
"application/pdf",
"image/png",
"image/jpeg"
],
"type": "string"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"checks": {
"items": {
"additionalProperties": false,
"properties": {
"actual": {
"type": "string"
},
"calculated": {
"type": "string"
},
"expected": {
"type": "string"
},
"field": {
"type": "string"
},
"status": {
"enum": [
"match",
"discrepancy",
"needs_review"
],
"type": "string"
}
},
"required": [
"field",
"status"
],
"type": "object"
},
"type": "array"
},
"decision": {
"enum": [
"match",
"discrepancy",
"needs_review"
],
"type": "string"
},
"evidence": {
"items": {
"additionalProperties": false,
"properties": {
"field": {
"type": "string"
},
"source": {
"type": "string"
},
"text": {
"type": "string"
}
},
"required": [
"field",
"source",
"text"
],
"type": "object"
},
"type": "array"
},
"invoice": {
"additionalProperties": false,
"properties": {
"currency": {
"type": [
"string",
"null"
]
},
"line_items": {
"items": {
"additionalProperties": false,
"properties": {
"amount": {
"type": "string"
},
"description": {
"type": [
"string",
"null"
]
}
},
"required": [
"description",
"amount"
],
"type": "object"
},
"type": "array"
},
"number": {
"type": [
"string",
"null"
]
},
"purchase_order": {
"type": [
"string",
"null"
]
},
"subtotal": {
"type": [
"string",
"null"
]
},
"supplier_name": {
"type": [
"string",
"null"
]
},
"tax": {
"type": [
"string",
"null"
]
},
"total": {
"type": [
"string",
"null"
]
}
},
"required": [
"number",
"supplier_name",
"purchase_order",
"currency",
"subtotal",
"tax",
"total",
"line_items"
],
"type": "object"
},
"pages_processed": {
"minimum": 1,
"type": "integer"
},
"source_sha256": {
"type": "string"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"decision",
"invoice",
"checks",
"evidence",
"source_sha256",
"warnings"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}
},
"liveness": {
"reliability": null
},
"verified": false,
"featured": false,
"provider": {
"host": "mcp.dropenginehq.com",
"manifest_name": "mcp.dropenginehq.com",
"source": "cdp-mirror",
"source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
"submitted_at": "2026-10-14T01:15:01.050Z"
},
"exampleResponse": {
"example": {
"checks": [
{
"actual": "string",
"calculated": "string",
"expected": "string",
"field": "string",
"status": "match"
}
],
"decision": "match",
"evidence": [
{
"field": "string",
"source": "string",
"text": "string"
}
],
"invoice": {
"currency": "string",
"line_items": [
{
"amount": "string",
"description": "string"
}
],
"number": "string",
"purchase_order": "string",
"subtotal": "string",
"supplier_name": "string",
"tax": "string",
"total": "string"
},
"pages_processed": 0,
"source_sha256": "string",
"warnings": [
"string"
]
},
"type": "string"
}
}