WebRef (paid) MCP Server: Install & Setup

Install WebRef (paid) in Claude Code

Claude Code

claude mcp add --transport http webref-paid https://webref.johnaio281.workers.dev/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "webref-paid": {
      "url": "https://webref.johnaio281.workers.dev/mcp"
    }
  }
}

Web standards and time reference for agents: HTTP codes, retries, deadlines. Paid via x402.

Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.

Remote. Hosted by the provider. You connect with a URL, nothing to install.

Run: claude mcp add --transport http webref-paid https://webref.johnaio281.workers.dev/mcp

com.websterberrymarketing.synaptic/data-agents

Pay-per-call US public data for agents: OFAC, SEC, FMCSA, NPI, VIN recalls, SAM.gov. x402 USDC.

agentgate-builder/x402-url-to-markdown

Read any public web page as clean Markdown for LLMs. Respects robots.txt. Free tier; x402 paid API.

za.co.webuycars/website

Search WeBuyCars' live used-vehicle stock, condition reports and FAQs, or start a sell-my-car lead.

com.webmoney/mcp

Authenticated MCP access to WebMoney wallets, transactions, messages and invoices.

dev.workers.mmelnyk2000.well-004-html-to-markdown/html-to-markdown

HTML string or https URL to markdown. x402 $0.005 USDC, Base. As is, no warranty.

Br0ski777/webhook-tester-x402

Test webhook endpoints â€” send requests, measure latency, validate responses. x402 micropayment.