Webhook Tester API MCP Server: Install & Setup

Install Webhook Tester API in Claude Code

Claude Code

claude mcp add --transport sse webhook-tester-api https://webhook-tester.api.klymax402.com/mcp

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

{
  "mcpServers": {
    "webhook-tester-api": {
      "url": "https://webhook-tester.api.klymax402.com/mcp"
    }
  }
}

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

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 sse webhook-tester-api https://webhook-tester.api.klymax402.com/mcp

com.webmoney/mcp

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

xyz.web3id.www/paid-tools

FX, funding rates, token cross-rates, weather joins, Solana dossiers, x402 audits. USDC per call.

agentgate-builder/x402-url-to-markdown

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

krizis78/cnslookup

Read-only lookup of verified crypto wallet addresses for domains, .cns and ENS names.

johnaio281/webref

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

Br0ski777/web-search-x402

Web search returning structured results — titles, URLs, snippets. x402 micropayment.