Checkpoint402
Pay-per-call tx explainer, DeFi yields, token safety, SEC 8-K and OFAC data via x402 (USDC on Base).
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": {
"checkpoint402": {
"url": "https://api.checkpoint402.com/mcp"
}
}
}リモートエンドポイント
https://api.checkpoint402.com/mcpstreamable-httpできること
ツール一覧
ツール（6）
🟢list_services
Free. Lists every Checkpoint402 data service with its price, inputs, example output link and how payment works.
入力スキーマ
{
"type": "object",
"properties": {}
}🟢explain_transaction(hash, chain)
Paid: $0.03 USDC per successful call via x402 (not charged on errors). Explains any Base or Ethereum transaction in plain English: who sent what to whom, which tokens/NFTs moved, the function called, success/failure and fee — plus the structured decoded data.
入力スキーマ
{
"type": "object",
"properties": {
"hash": {
"type": "string",
"description": "Transaction hash (0x + 64 hex chars)"
},
"chain": {
"type": "string",
"enum": [
"base",
"ethereum"
],
"description": "Chain (default base)"
}
},
"required": [
"hash"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢find_defi_yields(asset, chain, minTvlUsd, stablecoinOnly, maxRisk, ...)
Paid: $0.05 USDC per successful call via x402 (not charged on errors). Top DeFi yields across 16k+ pools, filtered by asset, chain, minimum TVL and risk, each with a simple explained risk tier (outlier APY, thin TVL, reward-heavy, IL exposure). Data: DefiLlama.
入力スキーマ
{
"type": "object",
"properties": {
"asset": {
"type": "string",
"description": "Token symbol, e.g. USDC, ETH"
},
"chain": {
"type": "string",
"description": "Chain name, e.g. Base, Ethereum, Arbitrum"
},
"minTvlUsd": {
"type": "number",
"description": "Minimum pool TVL in USD (default 1,000,000)"
},
"stablecoinOnly": {
"type": "boolean",
"description": "Only stablecoin pools"
},
"maxRisk": {
"type": "string",
"enum": [
"low",
"medium",
"high"
],
"description": "Highest risk tier to include (default medium; use high to include outlier APYs)"
},
"limit": {
"type": "number",
"description": "Results, 1-50 (default 10)"
}
},
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢new_token_safety_feed(chain, minScore, limit)
Paid: $0.10 USDC per successful call via x402 (not charged on errors). Newly launched token pools on Base, Ethereum or BSC, each with a 0-100 safety score and explicit red flags (honeypot, unverified code, mintable, owner powers, high tax, unlocked liquidity, whale concentration). Data: GeckoTerminal + GoPlus.
入力スキーマ
{
"type": "object",
"properties": {
"chain": {
"type": "string",
"enum": [
"base",
"ethereum",
"bsc"
],
"description": "Chain (default base)"
},
"minScore": {
"type": "number",
"description": "Only tokens with safety score >= this, 0-100 (default 0)"
},
"limit": {
"type": "number",
"description": "Results, 1-20 (default 10)"
}
},
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢sec_8k_company_events(ticker, item, highImpactOnly, limit)
Paid: $0.10 USDC per successful call via x402 (not charged on errors). Latest SEC 8-K filings — market-wide within minutes of filing, or for one ticker — with each item code translated to plain English, high-impact events flagged (earnings, CEO changes, M&A, bankruptcy, cyber incidents) and AI summaries of the filing text.
入力スキーマ
{
"type": "object",
"properties": {
"ticker": {
"type": "string",
"description": "Stock ticker; omit for the market-wide latest feed"
},
"item": {
"type": "string",
"description": "Only filings with this 8-K item code, e.g. 5.02"
},
"highImpactOnly": {
"type": "boolean",
"description": "Only filings with a high-impact item"
},
"limit": {
"type": "number",
"description": "Results, 1-20 (default 10)"
}
},
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢ofac_sanctions_screen(name, address, threshold, limit)
Paid: $0.05 USDC per successful call via x402 (not charged on errors). Screens a person/company name (fuzzy, alias-aware) and/or a crypto wallet address against the US Treasury OFAC SDN list, refreshed twice daily, including the extended-remarks file where most sanctioned crypto addresses are listed.
入力スキーマ
{
"type": "object",
"properties": {
"name": {
"type": "string",
"description": "Person or company name"
},
"address": {
"type": "string",
"description": "Crypto wallet address (EVM, BTC, TRX, …)"
},
"threshold": {
"type": "number",
"description": "Name-match threshold 0.7-1 (default 0.92)"
},
"limit": {
"type": "number",
"description": "Max name candidates, 1-20 (default 5)"
}
},
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}コミュニティ
エビデンス