agent-audit + page-read (x402)

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io.github.agent-audit-x402/x402-toolsv0.1.1

Pay-per-call page reader, quote check, link check and x402 seller audit. USDC on Base via x402.

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https://mcp.agent-audit.workers.dev/mcp

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Tool list from our last check. Connect live to refresh it.

audit_x402_seller Read-only

Paid, $0.02 USDC on Base via x402 (agent-audit). Read-only x402 seller and agent-readiness audit of one origin: live 402 challenge per paid route, price vs catalog, llms.txt, /.well-known/x402, openapi.json, dead doc links. JSON score, findings and fixes. Grades measure protocol conformance, not legitimacy. Call without payment to get the x402 requirements.

urlstring, required

Origin or paid endpoint URL

paymentstring

Optional. A signed x402 v2 PaymentPayload for this tool's PaymentRequired (as an object, or base64 as in the PAYMENT-SIGNATURE HTTP header). Prefer params._meta["x402/payment"]. Omit it to get the exact payment requirements first.

Tools (7)

audit_x402_seller

read-only

Argument	Type	Description
url*	string	Origin or paid endpoint URL
payment	any	Optional. A signed x402 v2 PaymentPayload for this tool's PaymentRequired (as an object, or base64 as in the PAYMENT-SIGNATURE HTTP header). Prefer params._meta["x402/payment"]. Omit it to get the exact payment requirements first.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "url"
  ],
  "properties": {
    "url": {
      "type": "string",
      "description": "Origin or paid endpoint URL"
    },
    "payment": {
      "oneOf": [
        {
          "type": "string"
        },
        {
          "type": "object"
        }
      ],
      "description": "Optional. A signed x402 v2 PaymentPayload for this tool's PaymentRequired (as an object, or base64 as in the PAYMENT-SIGNATURE HTTP header). Prefer params._meta[\"x402/payment\"]. Omit it to get the exact payment requirements first."
    }
  }
}

check_links

Paid, $0.01 USDC on Base via x402 (agent-audit). Checks up to 25 URLs now: status, final URL, redirects, latency, verdict ok/broken/paid(402). Call without payment to get the x402 requirements.

read-only

Argument	Type	Description
urls*	array
payment	any	Optional. A signed x402 v2 PaymentPayload for this tool's PaymentRequired (as an object, or base64 as in the PAYMENT-SIGNATURE HTTP header). Prefer params._meta["x402/payment"]. Omit it to get the exact payment requirements first.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "urls"
  ],
  "properties": {
    "urls": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "maxItems": 25,
      "minItems": 1
    },
    "payment": {
      "oneOf": [
        {
          "type": "string"
        },
        {
          "type": "object"
        }
      ],
      "description": "Optional. A signed x402 v2 PaymentPayload for this tool's PaymentRequired (as an object, or base64 as in the PAYMENT-SIGNATURE HTTP header). Prefer params._meta[\"x402/payment\"]. Omit it to get the exact payment requirements first."
    }
  }
}

list_services

Free. Lists the paid tools, their USDC prices on Base, the upstream x402 HTTP endpoints, and how to pay.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}

preview_audit

Free, rate-limited (10 per hour). Audit score, grade and fail/warn counts for one origin (no findings), from agent-audit's free preview.

read-only

Argument	Type	Description
url*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "url"
  ],
  "properties": {
    "url": {
      "type": "string"
    }
  }
}

preview_page

Free, rate-limited (10 per hour). Title and the first 300 characters of a public page, from page-read's free preview.

read-only

Argument	Type	Description
url*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "url"
  ],
  "properties": {
    "url": {
      "type": "string"
    }
  }
}

quote_check

Paid, $0.005 USDC on Base via x402 (agent-audit). Fetches the page now and reports whether the quote is really there: found_exact/found_near/partial/not_found/page_unavailable, similarity, context and page sha256. Call without payment to get the x402 requirements.

read-only

Argument	Type	Description
url*	string
quote*	string
payment	any	Optional. A signed x402 v2 PaymentPayload for this tool's PaymentRequired (as an object, or base64 as in the PAYMENT-SIGNATURE HTTP header). Prefer params._meta["x402/payment"]. Omit it to get the exact payment requirements first.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "url",
    "quote"
  ],
  "properties": {
    "url": {
      "type": "string"
    },
    "quote": {
      "type": "string",
      "maxLength": 2000,
      "minLength": 8
    },
    "payment": {
      "oneOf": [
        {
          "type": "string"
        },
        {
          "type": "object"
        }
      ],
      "description": "Optional. A signed x402 v2 PaymentPayload for this tool's PaymentRequired (as an object, or base64 as in the PAYMENT-SIGNATURE HTTP header). Prefer params._meta[\"x402/payment\"]. Omit it to get the exact payment requirements first."
    }
  }
}

read_page

Paid, $0.001 USDC on Base via x402 (page-read). Fetches one public web page now and returns clean markdown or text with title, canonical URL, published time and sha256. No JavaScript execution. Fetch failures and unreadable pages are not charged. Call without payment to get the x402 requirements.

read-only

Argument	Type	Description
url*	string	Public http(s) URL
links	boolean	include absolute link list
format	string
payment	any	Optional. A signed x402 v2 PaymentPayload for this tool's PaymentRequired (as an object, or base64 as in the PAYMENT-SIGNATURE HTTP header). Prefer params._meta["x402/payment"]. Omit it to get the exact payment requirements first.
maxChars	integer	default 10000

Input schema (JSON)

{
  "type": "object",
  "required": [
    "url"
  ],
  "properties": {
    "url": {
      "type": "string",
      "description": "Public http(s) URL"
    },
    "links": {
      "type": "boolean",
      "description": "include absolute link list"
    },
    "format": {
      "enum": [
        "markdown",
        "text"
      ],
      "type": "string"
    },
    "payment": {
      "oneOf": [
        {
          "type": "string"
        },
        {
          "type": "object"
        }
      ],
      "description": "Optional. A signed x402 v2 PaymentPayload for this tool's PaymentRequired (as an object, or base64 as in the PAYMENT-SIGNATURE HTTP header). Prefer params._meta[\"x402/payment\"]. Omit it to get the exact payment requirements first."
    },
    "maxChars": {
      "type": "integer",
      "maximum": 50000,
      "minimum": 500,
      "description": "default 10000"
    }
  }
}