code402-verify-mcp
Verify code402 XDR-1 receipts: keccak digest + secp256k1 signer recovery. Free, stateless.
使うべきか
品質と安全性
検出事項（1）
- LOWTool 'price_lookup' description lacks action verbprice_lookup 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
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": {
"code402-verify-mcp": {
"url": "https://verify.code402.dev/mcp"
}
}
}リモートエンドポイント
https://verify.code402.dev/mcpstreamable-httpできること
ツール一覧
ツール（18）
⚪x402_verify(raw_receipt, settlement_asset)
Verify one or more XDR-1 signed receipts offline (free). Returns valid/invalid per receipt with signer recovery, declared signer comparison, and integrity digest. Supply raw_receipt as JSON string or array for batch.
入力スキーマ
{
"type": "object",
"properties": {
"raw_receipt": {
"type": "string",
"description": "Full signed receipt JSON (single object or JSON array for batch)"
},
"settlement_asset": {
"type": "string",
"description": "Default USDC"
}
},
"required": [
"raw_receipt"
]
}⚪price_lookup(tool_name, url)
Look up pricing for any code402 tool (free). Returns current x402 pricing tiers, accepted networks, and tool availability. Use tool_name for named lookups or url for URL-based lookups.
入力スキーマ
{
"type": "object",
"properties": {
"tool_name": {
"type": "string",
"description": "Tool name (e.g. iban_check, bundle_verify, chain_block_number)"
},
"url": {
"type": "string",
"description": "Full endpoint URL to look up pricing for"
}
}
}🟢iban_check(iban)
Paid ($0.0029). Validate an IBAN: ISO 13616 structure, country registration, length, MOD 97-10 checksum. Returns pass/fail with all checks and issues. Covers 50 countries.
入力スキーマ
{
"type": "object",
"properties": {
"iban": {
"type": "string",
"description": "IBAN to validate (e.g. GB29NWBK60161331926819, spaces allowed)"
}
},
"required": [
"iban"
]
}🟢sanctions_check(addresses, names)
Paid ($0.0029). Screen Ethereum addresses and entity names against OFAC/UN/EU sanctions lists. Returns clear/hit with matched entries. Supports both EVM addresses and human-readable names.
入力スキーマ
{
"type": "object",
"properties": {
"addresses": {
"type": "array",
"items": {
"type": "string"
},
"description": "EVM addresses to screen (0x-prefixed)"
},
"names": {
"type": "array",
"items": {
"type": "string"
},
"description": "Entity names to screen"
}
}
}🟢onchain_address_check(address)
Paid ($0.0029). Validate an EVM address format and EIP-55 mixed-case checksum. Returns valid/invalid with normalization and checksum status.
入力スキーマ
{
"type": "object",
"properties": {
"address": {
"type": "string",
"description": "0x-prefixed EVM address to validate (e.g. 0x742d35Cc6634C0532925a3b844Bc9e7595f2bD18)"
}
},
"required": [
"address"
]
}🟢lei_check(lei)
Paid ($0.0029). Validate a Legal Entity Identifier (LEI, ISO 17442). Checks 20-char alphanumeric format and Mod 97-10 check character. Verified via Rust WASM engine.
入力スキーマ
{
"type": "object",
"properties": {
"lei": {
"type": "string",
"description": "20-character LEI (e.g. 5493001KJTIIGC8Y1R12)"
}
},
"required": [
"lei"
]
}🟢luhn_check(number)
Paid ($0.0029). Validate a payment card or account number using the Luhn algorithm (ISO/IEC 7812-1). Checks numeric format and Mod-10 checksum. Verified via Rust WASM engine.
入力スキーマ
{
"type": "object",
"properties": {
"number": {
"type": "string",
"description": "Card or account number (12-19 digits, spaces allowed)"
}
},
"required": [
"number"
]
}🟢mod97_check(input)
Paid ($0.0029). Calculate ISO 7064 Mod 97-10 remainder for any alphanumeric string. Returns the remainder (0-96, valid=1). Used for IBAN, LEI, and custom identifier validation. Verified via Rust WASM engine.
入力スキーマ
{
"type": "object",
"properties": {
"input": {
"type": "string",
"description": "Alphanumeric string to compute Mod 97-10 on"
}
},
"required": [
"input"
]
}⚪bundle_verify(iban, sanctions, onchain_address, tier)
Paid ($0.0029–$0.50). Multi-gate compliance bundle: run any combination of IBAN validation, sanctions screening, and EVM address validation in a single call. Returns all gate results + XDR-1 signed receipt. Tier auto-detected from field count.
入力スキーマ
{
"type": "object",
"properties": {
"iban": {
"type": "string",
"description": "IBAN to validate"
},
"sanctions": {
"type": "object",
"description": "Sanctions screening: { addresses: string[], names: string[] }"
},
"onchain_address": {
"type": "string",
"description": "EVM address to validate"
},
"tier": {
"type": "string",
"enum": [
"economy",
"standard",
"premium"
],
"description": "Pricing tier (auto-detected if omitted)"
}
}
}🟢chain_block_number
Paid ($0.0029). Get the latest Ethereum mainnet block number. Returns block height and timestamp.
入力スキーマ
{
"type": "object",
"properties": {}
}🟢chain_balance(address)
Paid ($0.0029). Get native ETH balance of any Ethereum address. Returns balance in wei and ETH.
入力スキーマ
{
"type": "object",
"properties": {
"address": {
"type": "string",
"description": "0x-prefixed EVM address"
}
},
"required": [
"address"
]
}🟢chain_erc20_balance(token, address)
Paid ($0.0029). Get ERC-20 token balance via balanceOf. Returns balance in raw and human-readable form.
入力スキーマ
{
"type": "object",
"properties": {
"token": {
"type": "string",
"description": "0x-prefixed ERC-20 token contract address"
},
"address": {
"type": "string",
"description": "0x-prefixed wallet address"
}
},
"required": [
"token",
"address"
]
}🟢chain_nonce(address)
Paid ($0.0029). Get the next transaction nonce for an Ethereum address.
入力スキーマ
{
"type": "object",
"properties": {
"address": {
"type": "string",
"description": "0x-prefixed EVM address"
}
},
"required": [
"address"
]
}🟢chain_tx(hash)
Paid ($0.008). Get Ethereum transaction details by hash. Returns from, to, value, gas used, status, block info.
入力スキーマ
{
"type": "object",
"properties": {
"hash": {
"type": "string",
"description": "0x-prefixed 64-hex transaction hash"
}
},
"required": [
"hash"
]
}⚪chain_ens_resolve(name)
Paid ($0.008). Resolve a .eth ENS name to its Ethereum address via the universal resolver.
入力スキーマ
{
"type": "object",
"properties": {
"name": {
"type": "string",
"description": "ENS name (e.g. vitalik.eth)"
}
},
"required": [
"name"
]
}🟢chain_gas_price
Paid ($0.0029). Get the current Ethereum mainnet gas price. Returns base fee, priority fee, and max fee in wei and gwei. Useful for estimating transaction costs.
入力スキーマ
{
"type": "object",
"properties": {}
}🟢chain_tx_receipt(hash)
Paid ($0.008). Get the receipt of a confirmed transaction. Returns status (success/fail), gas used, logs, contract address if deployment.
入力スキーマ
{
"type": "object",
"properties": {
"hash": {
"type": "string",
"description": "0x-prefixed 64-hex transaction hash"
}
},
"required": [
"hash"
]
}🟢chain_code(address)
Paid ($0.0029). Get the deployed bytecode at an address. Returns hex bytecode (empty = EOA, non-empty = contract). Useful for distinguishing contracts from wallets.
入力スキーマ
{
"type": "object",
"properties": {
"address": {
"type": "string",
"description": "0x-prefixed EVM address"
}
},
"required": [
"address"
]
}コミュニティ
エビデンス