chainverdict
Pay-per-call x402 checks before an agent moves money: token safety, wallet risk, identifiers.
使うべきか
品質と安全性
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": {
"chainverdict": {
"url": "https://chainverdict.xyz/mcp"
}
}
}リモートエンドポイント
https://chainverdict.xyz/mcpstreamable-httpできること
ツール一覧
ツール（20）
🟢payment_info
Free. Explains how to call the paid tools on this server: the x402 protocol, the network and asset, the settlement address, and the price of every tool.
入力スキーマ
{
"type": "object",
"properties": {},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢token_verdict(address)
Heuristic ERC-20 safety verdict on Base: bytecode risk capabilities, ownership, metadata, 0-100 score, hold/caution/avoid. $0.01 per call.
入力スキーマ
{
"type": "object",
"properties": {
"address": {
"type": "string",
"description": "ERC-20 token contract address on Base (0x-prefixed, 42 chars)"
}
},
"required": [
"address"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢wallet_dossier(address)
Profile of a Base address: EOA vs contract, balance, activity band, flags. $0.01 per call.
入力スキーマ
{
"type": "object",
"properties": {
"address": {
"type": "string",
"description": "Base address to profile (0x-prefixed, 42 chars; EOA or contract)"
}
},
"required": [
"address"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢validate_iban(iban)
IBAN mod-97 checksum + country length rules. $0.001 per call.
入力スキーマ
{
"type": "object",
"properties": {
"iban": {
"type": "string",
"description": "IBAN including 2-letter country prefix (e.g. DE89 3704 0044 0532 0130 00; spaces tolerated)"
}
},
"required": [
"iban"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢validate_vat(vat)
EU VAT format validation with deterministic checksums (DE, IT, LU, PL, SI). $0.001 per call.
入力スキーマ
{
"type": "object",
"properties": {
"vat": {
"type": "string",
"description": "EU VAT number including country prefix (e.g. DE123456789, LU12345678)"
}
},
"required": [
"vat"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢validate_bic(bic)
BIC/SWIFT structural validation and decomposition. $0.001 per call.
入力スキーマ
{
"type": "object",
"properties": {
"bic": {
"type": "string",
"description": "BIC/SWIFT code, 8 or 11 characters (e.g. DEUTDEFF or DEUTDEFF500)"
}
},
"required": [
"bic"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢html_to_markdown(html)
Convert raw HTML to clean Markdown. $0.002 per call.
入力スキーマ
{
"type": "object",
"properties": {
"html": {
"type": "string",
"description": "Raw HTML string to convert (full document or fragment)"
}
},
"required": [
"html"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢text_diff(a, b, mode)
Diff two texts (lines/words/chars). $0.002 per call.
入力スキーマ
{
"type": "object",
"properties": {
"a": {
"type": "string",
"description": "Original text (left side of the diff)"
},
"b": {
"type": "string",
"description": "Modified text (right side of the diff)"
},
"mode": {
"description": "Diff granularity; defaults to lines",
"type": "string",
"enum": [
"lines",
"words",
"chars"
]
}
},
"required": [
"a",
"b"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢verify_payment(txhash)
Decode ERC-20 transfers in a Base transaction: amounts, counterparties, confirmations. $0.02 per call.
入力スキーマ
{
"type": "object",
"properties": {
"txhash": {
"type": "string",
"description": "Base transaction hash to decode (0x-prefixed, 66 chars)"
}
},
"required": [
"txhash"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢verify_token(query)
Is this the real USDC/EURC/WETH/cbBTC/USDT on Base? Anti-phishing for stablecoin payments. $0.005 per call.
入力スキーマ
{
"type": "object",
"properties": {
"query": {
"type": "string",
"description": "Token contract address (0x…) or symbol (e.g. USDC, WETH) to verify against the canonical Base list"
}
},
"required": [
"query"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢validate_lei(lei)
Legal Entity Identifier checksum validation. $0.002 per call.
入力スキーマ
{
"type": "object",
"properties": {
"lei": {
"type": "string",
"description": "20-character Legal Entity Identifier (ISO 17442), e.g. 5299000J2N45DDNE4Y28"
}
},
"required": [
"lei"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢validate_isin(isin)
Securities identifier checksum validation. $0.001 per call.
入力スキーマ
{
"type": "object",
"properties": {
"isin": {
"type": "string",
"description": "12-character International Securities Identification Number (ISO 6166), e.g. US0378331005"
}
},
"required": [
"isin"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢security_email(domain, selector)
Live DNS check of a domain's email authentication records. $0.01 per call.
入力スキーマ
{
"type": "object",
"properties": {
"domain": {
"type": "string",
"description": "Domain to check, without scheme (e.g. example.com)"
},
"selector": {
"description": "Optional DKIM selector to look up (e.g. google, default, s1)",
"type": "string"
}
},
"required": [
"domain"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢security_tls(domain)
Live TLS handshake: cert validity, issuer, expiry countdown. $0.01 per call.
入力スキーマ
{
"type": "object",
"properties": {
"domain": {
"type": "string",
"description": "Hostname to probe over TLS on port 443, without scheme (e.g. example.com)"
}
},
"required": [
"domain"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢security_typosquat(domain, brands)
Flags homoglyph and edit-distance look-alikes of known brands (c0inbase, b1nance, etc.). $0.005 per call.
入力スキーマ
{
"type": "object",
"properties": {
"domain": {
"type": "string",
"description": "Domain to analyse for brand impersonation (e.g. c0inbase.com)"
},
"brands": {
"description": "Optional comma-separated brand list to check against (defaults to a built-in set)",
"type": "string"
}
},
"required": [
"domain"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢data_gas
Live Base gas conditions: base fee, priority fees, congestion, est transfer cost. $0.002 per call.
入力スキーマ
{
"type": "object",
"properties": {},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢data_block
Latest block number, timestamp, tx count, gas utilization. $0.001 per call.
入力スキーマ
{
"type": "object",
"properties": {},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢data_token_supply(address)
Total/circulating/burned supply and burn percentage for an ERC-20 on Base. $0.003 per call.
入力スキーマ
{
"type": "object",
"properties": {
"address": {
"type": "string",
"description": "ERC-20 token contract address on Base (0x-prefixed, 42 chars)"
}
},
"required": [
"address"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢data_token_activity(address, blocks)
Recent transfer count, volume, unique senders/receivers, activity level. $0.005 per call.
入力スキーマ
{
"type": "object",
"properties": {
"address": {
"type": "string",
"description": "ERC-20 token contract address on Base (0x-prefixed, 42 chars)"
},
"blocks": {
"description": "Look-back window in blocks (default 2000, ~1 hour on Base)",
"type": "number"
}
},
"required": [
"address"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢data_portfolio(address)
ETH + canonical token balances (USDC/WETH/cbBTC/EURC) for an address. $0.004 per call.
入力スキーマ
{
"type": "object",
"properties": {
"address": {
"type": "string",
"description": "Base address to read balances for (0x-prefixed, 42 chars)"
}
},
"required": [
"address"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}コミュニティ
エビデンス