NanoParse MCP

{
  "type": "object",
  "required": [
    "url"
  ],
  "properties": {
    "url": {
      "type": "string",
      "description": "The URL to fetch and parse"
    },
    "wallet_address": {
      "type": "string",
      "description": "Your wallet address (0x...) to claim the free tier — no payment needed."
    },
    "wallet_signature": {
      "type": "string",
      "description": "EIP-191 personal_sign signature (0x... hex, 65 bytes r||s||v) over the exact string \"nanoparse.app free tier: sign this message to claim 10 free parses (no payment).\". Proves you own wallet_address and unlocks 10 free parses per month."
    },
    "payment_signature": {
      "type": "string",
      "description": "x402 payment signature — base64-encoded JSON payment terms. Only needed after the free tier is exhausted: the payment_required error response includes the payment_terms to sign. Pass the signed terms here (or as a Payment-Signature header if your client supports headers)."
    }
  }
}

{
  "type": "object",
  "properties": {
    "content": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "type",
          "text"
        ],
        "properties": {
          "text": {
            "type": "string",
            "description": "The extracted page content as clean Markdown with GFM tables preserved"
          },
          "type": {
            "enum": [
              "text"
            ],
            "type": "string",
            "description": "Content type — always 'text' for NanoParse"
          }
        }
      },
      "description": "Array of content items returned by the tool"
    }
  },
  "description": "Returns content[0].text as clean Markdown with GFM tables, stripped of navigation, ads, and boilerplate. structuredContent carries the full parse envelope: {markdown, metadata, litmus}. On error, returns a JSON-RPC error object with code and message."
}

{
  "title": "Read one URL into clean Markdown + Litmus",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": false,
  "destructiveHint": false
}

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "description": "The Ethereum wallet address to query (0x...)."
    }
  }
}

{
  "type": "object",
  "required": [
    "wallet_address",
    "usdc_balance",
    "price_per_parse",
    "quota"
  ],
  "properties": {
    "quota": {
      "type": "object"
    },
    "funding_uri": {
      "type": "string"
    },
    "usdc_balance": {
      "type": "string"
    },
    "balance_error": {
      "type": [
        "string",
        "null"
      ]
    },
    "balance_known": {
      "type": "boolean"
    },
    "wallet_address": {
      "type": "string"
    },
    "price_per_parse": {
      "type": "string"
    },
    "usdc_balance_raw": {
      "type": [
        "string",
        "null"
      ],
      "description": "Balance in micro-USDC; null when the chain could not be read"
    },
    "next_call_will_succeed": {
      "type": [
        "boolean",
        "null"
      ],
      "description": "null when the free tier is exhausted and the balance is unknown"
    },
    "estimated_parses_remaining": {
      "type": [
        "number",
        "null"
      ],
      "description": "null when the balance is unknown — never 0, which would imply an empty wallet"
    }
  },
  "description": "Machine-readable status fields. This schema describes structuredContent — strict MCP clients validate structuredContent against it, so it must NOT require the result-envelope `content` array."
}

{
  "title": "Check wallet, quota and payment state",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}