agent-audit + page-read (x402)
Pay-per-call page reader, quote check, link check and x402 seller audit. USDC on Base via x402.
Should I use this
Quality & Safety
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"x402-tools": {
"url": "https://mcp.agent-audit.workers.dev/mcp"
}
}
}Remote endpoints
https://mcp.agent-audit.workers.dev/mcpstreamable-httpWhat it can do
Tool inventory
Tools (7)
🟢list_services
Free. Lists the paid tools, their USDC prices on Base, the upstream x402 HTTP endpoints, and how to pay.
Input Schema
{
"type": "object",
"properties": {},
"additionalProperties": false
}🟢read_page(url, format, maxChars, links, payment)
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.
Input Schema
{
"type": "object",
"properties": {
"url": {
"type": "string",
"description": "Public http(s) URL"
},
"format": {
"type": "string",
"enum": [
"markdown",
"text"
]
},
"maxChars": {
"type": "integer",
"minimum": 500,
"maximum": 50000,
"description": "default 10000"
},
"links": {
"type": "boolean",
"description": "include absolute link list"
},
"payment": {
"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.",
"oneOf": [
{
"type": "string"
},
{
"type": "object"
}
]
}
},
"required": [
"url"
]
}🟢audit_x402_seller(url, payment)
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.
Input Schema
{
"type": "object",
"properties": {
"url": {
"type": "string",
"description": "Origin or paid endpoint URL"
},
"payment": {
"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.",
"oneOf": [
{
"type": "string"
},
{
"type": "object"
}
]
}
},
"required": [
"url"
]
}🟢check_links(urls, payment)
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.
Input Schema
{
"type": "object",
"properties": {
"urls": {
"type": "array",
"items": {
"type": "string"
},
"minItems": 1,
"maxItems": 25
},
"payment": {
"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.",
"oneOf": [
{
"type": "string"
},
{
"type": "object"
}
]
}
},
"required": [
"urls"
]
}🟢quote_check(url, quote, payment)
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.
Input Schema
{
"type": "object",
"properties": {
"url": {
"type": "string"
},
"quote": {
"type": "string",
"minLength": 8,
"maxLength": 2000
},
"payment": {
"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.",
"oneOf": [
{
"type": "string"
},
{
"type": "object"
}
]
}
},
"required": [
"url",
"quote"
]
}🟢preview_page(url)
Free, rate-limited (10 per hour). Title and the first 300 characters of a public page, from page-read's free preview.
Input Schema
{
"type": "object",
"properties": {
"url": {
"type": "string"
}
},
"required": [
"url"
]
}🟢preview_audit(url)
Free, rate-limited (10 per hour). Audit score, grade and fail/warn counts for one origin (no findings), from agent-audit's free preview.
Input Schema
{
"type": "object",
"properties": {
"url": {
"type": "string"
}
},
"required": [
"url"
]
}Community
Evidence