ProofCheck
Free x402 offer/receipt checker: verifies signatures and whether the signer fits the host.
Sollte ich dies verwenden
Qualität und Sicherheit
Basierend auf einer automatisierten Analyse der Tool-Definitionen und der Einhaltung des Protokolls.
Kontextkosten
Dies ist die ungefähre Anzahl der Tokens, die jedes Mal verbraucht werden, wenn die Tools des Servers in den Kontext eines Modells geladen werden. Höhere Werte verringern die Aufmerksamkeit, die für andere Aufgaben verfügbar ist.
Installieren
Installation mit einem Klick
Fügen Sie dies Ihrer Datei `claude_desktop_config.json` hinzu:
{
"mcpServers": {
"proofcheck": {
"url": "https://proofcheck.something-agent.workers.dev/mcp"
}
}
}Remote-Endpunkte
https://proofcheck.something-agent.workers.dev/mcpstreamable-httpWas es kann
Tool-Inventar
Tools (5)
⚪verify_offer(offer, accepts, resource_url, trusted_pay_to)
Verify an x402 signed offer (EIP-712 or JWS): signature, expiry, match to accepts[], and signer-authorization evidence (payTo, did:web, DNS _controllers, ERC-8004). Free.
Eingabe-Schema
{
"type": "object",
"properties": {
"offer": {
"type": "object",
"description": "The offer object: {format, payload?, signature, acceptIndex?}"
},
"accepts": {
"type": "array",
"description": "Optional accepts[] from the live 402 to match against",
"items": {
"type": "object"
}
},
"resource_url": {
"type": "string"
},
"trusted_pay_to": {
"type": "array",
"items": {
"type": "string"
}
}
},
"required": [
"offer"
]
}⚪verify_receipt(receipt, resource_url, payer, transaction, network, ...)
Verify an x402 signed receipt (EIP-712 or JWS) returned in the settlement response: signature, freshness, payer/resource/transaction match, signer-authorization evidence. Free.
Eingabe-Schema
{
"type": "object",
"properties": {
"receipt": {
"type": "object"
},
"resource_url": {
"type": "string"
},
"payer": {
"type": "string"
},
"transaction": {
"type": "string"
},
"network": {
"type": "string"
},
"max_age_seconds": {
"type": "number"
},
"trusted_pay_to": {
"type": "array",
"items": {
"type": "string"
}
}
},
"required": [
"receipt"
]
}⚪verify_payment_required(payment_required, resource_url)
Verify every signed offer inside a PaymentRequired object (pass the decoded JSON, or the raw base64 PAYMENT-REQUIRED header). Free.
Eingabe-Schema
{
"type": "object",
"properties": {
"payment_required": {
"description": "Object or base64/JSON string"
},
"resource_url": {
"type": "string"
}
},
"required": [
"payment_required"
]
}🟢preflight_x402_endpoint(url, method)
Unpaid preflight of an x402 URL: fetch its 402, summarise accepts[]/extensions, verify any signed offers and report who can vouch for the signer. Never pays. Free.
Eingabe-Schema
{
"type": "object",
"properties": {
"url": {
"type": "string"
},
"method": {
"type": "string",
"enum": [
"GET",
"POST"
]
}
},
"required": [
"url"
]
}🟢lookup_erc8004_agent(chain_id, agent_id)
Read-only ERC-8004 identity lookup (owner, agentWallet, registration file, endpoint-domain verification) on Ethereum, Base, Optimism, Arbitrum, Polygon, BNB, Avalanche, Gnosis, Celo, Linea or Scroll.
Eingabe-Schema
{
"type": "object",
"properties": {
"chain_id": {
"type": "integer"
},
"agent_id": {
"type": "string"
}
},
"required": [
"chain_id",
"agent_id"
]
}Community
Nachweis