x402 MCP Starter MCP server

Connect x402 MCP Starter and your agent gets 2 tools, among them get_paid_sample, validate_x402_config. It answers at https://x402-mcp-starter.kadopi.workers.dev/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 6 of 6 times since 11 September 2026; the last check, on 22 October 2026, succeeded.

Status

Answering

Tools

Reliability

6 of 6 checks

Response time

209 ms

Transport

streamable HTTP

Last checked

22 October 2026

Free self-hosted x402 USDC billing for Cloudflare MCP servers, with a Base Sepolia test endpoint.

Description as the publisher wrote it.

The 2 tools x402 MCP Starter offers

Tool	What it does
`get_paid_sample`	Fixed-price reference path: confirms that an x402-aware MCP client can pay and receive a receipt. Inputs: option
`validate_x402_config`	Free: checks Base USDC, price, amount, recipient, and facilitator settings before you deploy an x402-paid MCP tool. Inputs: network, asset, amount, priceUsd, payTo, facilitatorUrl

Add x402 MCP Starter to your AI client

Every block below points at https://x402-mcp-starter.kadopi.workers.dev/mcp. Pick your client and copy.

Claude Code: one command in your terminal

claude mcp add --transport http x402-mcp-starter https://x402-mcp-starter.kadopi.workers.dev/mcp

Claude Desktop: claude_desktop_config.json

{
  "mcpServers": {
    "x402-mcp-starter": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://x402-mcp-starter.kadopi.workers.dev/mcp"]
    }
  }
}

Cursor: ~/.cursor/mcp.json, or .cursor/mcp.json in a project

{
  "mcpServers": {
    "x402-mcp-starter": {
      "url": "https://x402-mcp-starter.kadopi.workers.dev/mcp"
    }
  }
}

VS Code and GitHub Copilot: .vscode/mcp.json

{
  "servers": {
    "x402-mcp-starter": {
      "type": "http",
      "url": "https://x402-mcp-starter.kadopi.workers.dev/mcp"
    }
  }
}

Zed: Zed settings.json

{
  "context_servers": {
    "x402-mcp-starter": {
      "url": "https://x402-mcp-starter.kadopi.workers.dev/mcp"
    }
  }
}

Windsurf: ~/.codeium/mcp_config.json

{
  "mcpServers": {
    "x402-mcp-starter": {
      "serverUrl": "https://x402-mcp-starter.kadopi.workers.dev/mcp"
    }
  }
}

JetBrains AI Assistant: Settings, Tools, AI Assistant, MCP, New MCP Server, as JSON

{
  "mcpServers": {
    "x402-mcp-starter": {
      "url": "https://x402-mcp-starter.kadopi.workers.dev/mcp"
    }
  }
}

Continue: .continue/mcpServers/neuronto.yaml

name: x402 MCP Starter
version: 0.0.1
schema: v1
mcpServers:
  - name: x402 MCP Starter
    type: streamable-http
    url: https://x402-mcp-starter.kadopi.workers.dev/mcp

Gemini CLI: ~/.gemini/settings.json

{
  "mcpServers": {
    "x402-mcp-starter": {
      "httpUrl": "https://x402-mcp-starter.kadopi.workers.dev/mcp"
    }
  }
}

Codex CLI: MCP server config

{
  "mcpServers": {
    "x402-mcp-starter": {
      "type": "http",
      "url": "https://x402-mcp-starter.kadopi.workers.dev/mcp"
    }
  }
}

Warp: MCP servers, + Add, paste JSON

{
  "mcpServers": {
    "x402-mcp-starter": {
      "url": "https://x402-mcp-starter.kadopi.workers.dev/mcp"
    }
  }
}

Goose: a one-click extension link

goose://extension?url=https%3A%2F%2Fx402-mcp-starter.kadopi.workers.dev%2Fmcp&type=streamable_http&id=x402-mcp-starter&name=x402%20MCP%20Starter

Is x402 MCP Starter up right now?

It answered our last check on 22 October 2026 in 209 ms. Over 6 checks since 11 September 2026 it answered 6. Status here comes from Neuronto's own probes, not from the publisher.

MCP servers similar to x402 MCP Starter

mcp-x402 — MCP server for agents with autonomous USDC/RLUSD payments3 tools Alien Plugg x402 API10 tools MCP Billing Gateway12 tools x402 Preflight3 tools Micropay Test Suite1 tools Web Intel10 tools

Questions about x402 MCP Starter

How many tools does x402 MCP Starter have?

2, as returned by the server's own tools/list on 14 September 2026: get_paid_sample, validate_x402_config.

Is x402 MCP Starter down?

It answered our last check on 22 October 2026 in 209 ms. Over 6 checks since 11 September 2026 it answered 6.

How do I add x402 MCP Starter to Cursor?

Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://x402-mcp-starter.kadopi.workers.dev/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.

Does x402 MCP Starter need an API key?

It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.

Where this comes from

Publisher: io.github.kadopi. Endpoint host: x402-mcp-starter.kadopi.workers.dev. ARD identifier: urn:air:io.github.kadopi:mcp:x402-mcp-starter. First indexed 10 September 2026. The tools are exactly what the server returned; nothing on this page is inferred from its name. Ranking in Neuronto search is never for sale.

Is this your server? Get a message the day it stops answering or its tools change: monitoring, 14 days free. Or claim the domain to manage how it is listed.