Base Payment Assurance
Dual-RPC Base USDC payment assurance with safe finality and exact transfer matching.
使うべきか
品質と安全性
B
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
~2,574トークン数（ツール定義）
~3.2 KB一般的なレスポンスサイズ
注意への影響は大きい（128k コンテキストの 2.01%）
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": {
"base-payment-assurance": {
"url": "https://base-payment-assurance-002.qqqa16521-dce.workers.dev/mcp"
}
}
}リモートエンドポイント
https://base-payment-assurance-002.qqqa16521-dce.workers.dev/mcpstreamable-httpできること
ツール一覧
ツール（7）
🟢 読み取り専用🟡 書き込み🔴 削除⚪ 不明
🟢get_service_info
Free overview of the Base Payment Assurance service. Use this to learn the supported chain/token, dual-RPC quorum, safe-finality requirement, exact-transfer policy, fail-closed behavior, and per-call credit cost. This tool does not inspect a transaction and does not require a bearer token.
入力スキーマ
{
"type": "object",
"properties": {},
"$schema": "https://json-schema.org/draft/2020-12/schema"
}出力スキーマ
{
"type": "object",
"properties": {
"service": {
"type": "string"
},
"experiment": {
"type": "string"
},
"network": {
"type": "string"
},
"chainId": {
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991
},
"asset": {
"type": "string"
},
"assurancePolicy": {
"type": "object",
"properties": {
"rpcQuorum": {
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991
},
"finality": {
"type": "string"
},
"exactTransferMatching": {
"type": "boolean"
},
"failClosed": {
"type": "boolean"
},
"serverSigning": {
"type": "boolean"
}
},
"required": [
"rpcQuorum",
"finality",
"exactTransferMatching",
"failClosed",
"serverSigning"
],
"additionalProperties": false
},
"protectedToolsCostCredits": {
"type": "integer",
"exclusiveMinimum": 0,
"maximum": 9007199254740991
}
},
"required": [
"service",
"experiment",
"network",
"chainId",
"asset",
"assurancePolicy",
"protectedToolsCostCredits"
],
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false
}🟢get_payment_info
Free instructions for buying this service's prepaid API credits with direct native Base USDC. Returns the exact receiver, package amount, credit quantity and self-service purchase path. This funding payment is separate from any transaction that you later ask the assurance tools to inspect.
入力スキーマ
{
"type": "object",
"properties": {},
"$schema": "https://json-schema.org/draft/2020-12/schema"
}出力スキーマ
{
"type": "object",
"properties": {
"scheme": {
"type": "string"
},
"network": {
"type": "string"
},
"chainId": {
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991
},
"asset": {
"type": "string"
},
"assetDecimals": {
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991
},
"receiver": {
"type": "string"
},
"packages": {
"type": "array",
"items": {
"type": "object",
"properties": {
"amountAtomic": {
"type": "string"
},
"credits": {
"type": "integer",
"exclusiveMinimum": 0,
"maximum": 9007199254740991
}
},
"required": [
"amountAtomic",
"credits"
],
"additionalProperties": false
}
},
"buyerPaysGas": {
"type": "boolean"
},
"facilitatorRequired": {
"type": "boolean"
},
"x402Compatible": {
"type": "boolean"
},
"purchasePath": {
"type": "string"
},
"redeemFlow": {
"type": "array",
"items": {
"type": "string"
}
}
},
"required": [
"scheme",
"network",
"chainId",
"asset",
"assetDecimals",
"receiver",
"packages",
"buyerPaysGas",
"facilitatorRequired",
"x402Compatible",
"purchasePath",
"redeemFlow"
],
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false
}🟢get_credit_balance
Check the remaining prepaid credits for the bearer token configured on this MCP connection. This call is free and does not consume credits.
入力スキーマ
{
"type": "object",
"properties": {},
"$schema": "https://json-schema.org/draft/2020-12/schema"
}出力スキーマ
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"anyOf": [
{
"type": "object",
"properties": {
"credits": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
}
},
"required": [
"credits"
],
"additionalProperties": false
},
{
"type": "object",
"properties": {
"error": {
"type": "string"
}
},
"required": [
"error"
],
"additionalProperties": false
}
]
}🔴get_safe_head
Return the conservative Base Mainnet safe head after consulting both configured public RPCs. If the RPC quorum is unavailable or inconsistent, the call fails closed and the spent credit is refunded. Costs 1 credit.
入力スキーマ
{
"type": "object",
"properties": {},
"$schema": "https://json-schema.org/draft/2020-12/schema"
}出力スキーマ
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"anyOf": [
{
"type": "object",
"properties": {
"safeBlockNumber": {
"type": "string"
},
"rpcSafeHeads": {
"type": "array",
"items": {
"type": "string"
}
},
"rpcAgreement": {
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991
},
"creditsRemaining": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
}
},
"required": [
"safeBlockNumber",
"rpcSafeHeads",
"rpcAgreement",
"creditsRemaining"
],
"additionalProperties": false
},
{
"type": "object",
"properties": {
"error": {
"type": "string"
},
"status": {
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991
},
"creditsRemaining": {
"anyOf": [
{
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
{
"type": "null"
}
]
}
},
"required": [
"error",
"status",
"creditsRemaining"
],
"additionalProperties": false
}
]
}🔴get_transaction_status(txHash)
Check whether a Base Mainnet transaction is not found, confirmed, safe, or failed using two independent RPCs. No payment assumptions are made. RPC quorum/inconsistency failures refund the credit. Costs 1 credit.
入力スキーマ
{
"type": "object",
"properties": {
"txHash": {
"type": "string",
"pattern": "^0x[0-9a-fA-F]{64}$"
}
},
"required": [
"txHash"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}出力スキーマ
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"anyOf": [
{
"type": "object",
"properties": {
"txHash": {
"type": "string"
},
"state": {
"type": "string",
"enum": [
"not_found",
"confirmed",
"safe",
"failed"
]
},
"blockNumber": {
"type": [
"string",
"null"
]
},
"safeBlockNumber": {
"type": "string"
},
"receiptStatus": {
"type": [
"string",
"null"
]
},
"rpcAgreement": {
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991
},
"creditsRemaining": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
}
},
"required": [
"txHash",
"state",
"blockNumber",
"safeBlockNumber",
"receiptStatus",
"rpcAgreement",
"creditsRemaining"
],
"additionalProperties": false
},
{
"type": "object",
"properties": {
"error": {
"type": "string"
},
"status": {
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991
},
"creditsRemaining": {
"anyOf": [
{
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
{
"type": "null"
}
]
}
},
"required": [
"error",
"status",
"creditsRemaining"
],
"additionalProperties": false
}
]
}🔴decode_usdc_transfers(txHash)
Decode all native Circle USDC Transfer logs from a Base transaction only after dual-RPC receipt agreement and safe finality. A not-found, failed, or not-yet-safe transaction is returned as an assurance result; RPC infrastructure failures refund the credit. Costs 1 credit.
入力スキーマ
{
"type": "object",
"properties": {
"txHash": {
"type": "string",
"pattern": "^0x[0-9a-fA-F]{64}$"
}
},
"required": [
"txHash"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}出力スキーマ
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"anyOf": [
{
"type": "object",
"properties": {
"assured": {
"type": "boolean"
},
"reason": {
"type": "string"
},
"txHash": {
"type": "string"
},
"blockNumber": {
"type": [
"string",
"null"
]
},
"safeBlockNumber": {
"type": [
"string",
"null"
]
},
"transfers": {
"type": "array",
"items": {
"type": "object",
"properties": {
"from": {
"type": "string"
},
"to": {
"type": "string"
},
"amountAtomic": {
"type": "string"
}
},
"required": [
"from",
"to",
"amountAtomic"
],
"additionalProperties": false
}
},
"rpcAgreement": {
"anyOf": [
{
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991
},
{
"type": "null"
}
]
},
"creditsRemaining": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
}
},
"required": [
"assured",
"reason",
"txHash",
"blockNumber",
"safeBlockNumber",
"transfers",
"rpcAgreement",
"creditsRemaining"
],
"additionalProperties": false
},
{
"type": "object",
"properties": {
"error": {
"type": "string"
},
"status": {
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991
},
"creditsRemaining": {
"anyOf": [
{
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
{
"type": "null"
}
]
}
},
"required": [
"error",
"status",
"creditsRemaining"
],
"additionalProperties": false
}
]
}🔴verify_usdc_payment(txHash, expectedPayer, expectedReceiver, expectedAmountAtomic)
Assure that a specific Base transaction contains an exact native Circle USDC Transfer from the expected payer to the expected receiver for the exact atomic amount. Verification requires two-RPC receipt agreement and safe finality. Use a decimal atomic amount string (USDC has 6 decimals). RPC infrastructure failures refund the credit. Costs 1 credit.
入力スキーマ
{
"type": "object",
"properties": {
"txHash": {
"type": "string",
"pattern": "^0x[0-9a-fA-F]{64}$"
},
"expectedPayer": {
"type": "string",
"pattern": "^0x[0-9a-fA-F]{40}$"
},
"expectedReceiver": {
"type": "string",
"pattern": "^0x[0-9a-fA-F]{40}$"
},
"expectedAmountAtomic": {
"type": "string",
"pattern": "^[1-9][0-9]{0,77}$"
}
},
"required": [
"txHash",
"expectedPayer",
"expectedReceiver",
"expectedAmountAtomic"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}出力スキーマ
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"anyOf": [
{
"type": "object",
"properties": {
"verified": {
"type": "boolean"
},
"reason": {
"type": "string"
},
"txHash": {
"type": "string"
},
"expectedPayer": {
"type": "string"
},
"expectedReceiver": {
"type": "string"
},
"expectedAmountAtomic": {
"type": "string"
},
"blockNumber": {
"type": [
"string",
"null"
]
},
"safeBlockNumber": {
"type": [
"string",
"null"
]
},
"finality": {
"type": [
"string",
"null"
]
},
"rpcAgreement": {
"anyOf": [
{
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991
},
{
"type": "null"
}
]
},
"creditsRemaining": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
}
},
"required": [
"verified",
"reason",
"txHash",
"expectedPayer",
"expectedReceiver",
"expectedAmountAtomic",
"blockNumber",
"safeBlockNumber",
"finality",
"rpcAgreement",
"creditsRemaining"
],
"additionalProperties": false
},
{
"type": "object",
"properties": {
"error": {
"type": "string"
},
"status": {
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991
},
"creditsRemaining": {
"anyOf": [
{
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
{
"type": "null"
}
]
}
},
"required": [
"error",
"status",
"creditsRemaining"
],
"additionalProperties": false
}
]
}コミュニティ
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検証済みバージョンは記録されていませんツール 7 件