x402 Web Tools

Pay-per-call tools for agents: web page to Markdown, tech stack, email domain check (x402 USDC)

Should I use this

Quality & Safety

A
Description quality
95%
Schema completeness
83%
Naming quality
85%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~424Tokens (tool definitions)
~528 BTypical response size
Minimal attention impact (0.33% of 128k context)

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-web-tools": {
      "url": "https://x402-web-tools.onrender.com/mcp"
    }
  }
}

Remote endpoints

https://x402-web-tools.onrender.com/mcpstreamable-http

What it can do

Tool inventory

Tools (4)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢extract_webpage(url)

Fetch any public web page and return clean readable Markdown (Readability), title, description, og:image, byline, word count and outgoing links. Ideal for LLM agents that need page content without HTML noise. Costs $0.003 USDC (x402, Base).

Input Schema

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "format": "uri",
      "description": "Public http(s) URL"
    }
  },
  "required": [
    "url"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
⚪detect_tech_stack(url)

Detect the technology stack of a website: frameworks (Next.js, React, Vue, Angular...), CMS (WordPress, Shopify, Webflow...), analytics, payments, CDN/hosting and server headers. Useful for lead qualification and competitor research. Costs $0.003 USDC (x402, Base).

Input Schema

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "format": "uri",
      "description": "Public http(s) URL"
    }
  },
  "required": [
    "url"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢check_email_domain(domain)

Check an email address or domain: MX records, mail provider (Google/Microsoft/Zoho), SPF, DMARC policy, disposable-domain flag and a 0-100 deliverability score. Validate leads before sending. Costs $0.002 USDC (x402, Base).

Input Schema

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string",
      "description": "Domain or full email address"
    }
  },
  "required": [
    "domain"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
⚪pricing

Free. Lists tools, prices and payment details of this server.

Input Schema

{
  "type": "object",
  "properties": {},
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Community

Rate this Server

Evidence

Recent observations

verifiedversion not recorded4 tools