MCP Toolbelt

29 pay-per-call DNS, SEO, SSL, security, and dev tools for AI agents

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MCP serverDeveloper toolsSecurityOther2 viewslaunched Nov 5, 2026

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Papa CasperMaker

What additional tools would you find useful in this MCP toolbelt?

About MCP Toolbelt

mcp-toolbelt provides 29 different tools focused on DNS, SEO, SSL, security, WHOIS, mail, and AI assistance. It offers these tools as pay-per-call APIs accessible via a hosted MCP server at papacasper.com/mcp.

The server supports two payment methods: using the x402 pay-per-call protocol with USDC on the Base network, requiring no account or API key, or a credit-based API key subscription model. Calls to tools include checking payments and usage of credits where applicable.

Developers can access open discovery documents generated from the live registry of tools. The service is deployed with scripts to update and redeploy upon tool changes, maintaining an up-to-date API interface suitable for AI agents' use.

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Overview

Who is it for?

Developers building AI agents who need DNS, SEO, security, and related tools.

Problem

Accessing multiple specialized DNS, SEO, security, and AI-related tools often requires API keys or accounts.

Solution

A pay-per-call MCP server offering 29 such tools with options for keyless payment via x402 or subscription-based credit system.

What makes it unique

Supports x402 pay-per-call with USDC on Base network without requiring API keys, plus an optional credit-based subscription.

The maker

Papa Casper

Maker · @chj1axr0

Details

Platforms

WebAPI

Tech stack

dnsseosslsecurityaipay-per-call

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