Checkpoint402

{
  "mcpServers": {
    "com.checkpoint402/checkpoint402": {
      "url": "https://api.checkpoint402.com/mcp"
    }
  }
}

Indexed tools

Tool metadata and schemas come from the remote server and are untrusted. Indexing only lists tools; it never calls them.

7 shown · authentication unknown

• Transaction Explainer ($0.03)

  explain_transaction

  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.

  Schema valid · SHA-256 2b189e97c5be…

  View input schema

  {
    "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#"
  }

• Best DeFi Yield Finder ($0.05)

  find_defi_yields

  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.

  Schema valid · SHA-256 49872c53ba76…

  View input schema

  {
    "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#"
  }