X402 Helper MCP

MCP server · hosted · v1.0.0 · xyz.x402helper/mcp

Online · tested 44m agoNEW · 1h agoSeen in the registry 35m ago

API discovery and x402 paid execution via MCP. Search by natural-language, call with USDC payment

What it does

X402 Helper MCP is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.

From the publisher's description, Electra Index matched it to one capability: payments. That makes it a candidate for tasks such as detect fraudulent transactions or buy products online.

Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.

At a glance

Hosted (remote)YES

Local installNO

Live checkOnline · 2 tools

Version1.0.0

PriceNot in the registry

First seen28 Oct 2026

Last checked35m ago

How to connect

As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 44m ago (live check)

Hosted endpoint

https://x402helper.xyz/mcp streamable-http

In Claude Code: claude mcp add --transport http x402-helper-mcp https://x402helper.xyz/mcp

MCP settings (Claude Desktop, Cursor and other MCP clients)

{
  "mcpServers": {
    "x402-helper-mcp": {
      "url": "https://x402helper.xyz/mcp"
    }
  }
}

Live check

Electra Index connected to the hosted endpoint 44m ago

ONLINE X402 Helper MCP answered an MCP connection on 28 Oct 2026 and introduced itself as x402helper-mcp 1.0.0 (MCP protocol 2025-06-18).

2 tools offered to AI assistants

search_endpoints · Searches for paid API endpoints (x402) by task in natural language. Returns a structured plan (plan[]) with candidates. IMPORTANT: each candidate contains a routeId. To execute a found endpoint, pass this routeId to the call_endpoint tool.
call_endpoint · Executes an endpoint found via search_endpoints. Accepts a routeId and arguments. If payment is required, returns isError=true with payment details in structuredContent. In this case, the agent must sign the payment and retry the call with

What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method

Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.

Tasks it helps with

Share of each task's required capabilities it covers

Detect fraudulent transactions Payments	50%
Buy products online Payments	33%
Handle refund requests Payments	33%
Reconcile payments Payments	33%

Similar tools

Listed for the same task: detect fraudulent transactions

RevinhoREMOTELOCAL
Read-only SaaS business intelligence from GA4, Stripe, and Google Search Console
mcpREMOTELOCAL
Pay-per-query x402 business intelligence on Base, settled in USDC via the native 402 payment flow
Teachworks MCP by usefulapiREMOTELOCAL
Read Teachworks students, families, tutors, lessons, invoices and payments; book lessons
Vyfakturuj MCP by usefulapiREMOTELOCAL
Read and create Vyfakturuj invoices and contacts: search, number series, payment methods, tags
Wild Apricot MCP by usefulapiREMOTELOCAL
Look up members, events, registrations, invoices and payments, and add contacts or check in guests
SmartAccounts MCP by usefulapiREMOTELOCAL
Read SmartAccounts clients, vendors, invoices, payments, ledger, accounts; create and book records

Ready-made AI agents

An MCP server is a connector you add to your own assistant. These are finished products that do the same job for you:

Digits86
$65/mo · Prices & score →
Ramp (AI agents)86
$15/mo · free plan · Prices & score →
Cal.com74
$12/mo · free plan · Prices & score →
Tipalti67
$99/mo · Prices & score →

All AI agents to detect fraudulent transactions, ranked →

Facts & evidence

Each fact shows where it was seen and when.

Fact	Value	Evidence	Source	Last confirmed
Hosted endpoint	https://x402helper.xyz/mcp	DECLARED	SRC-001 Official MCP Registry	35m ago
Local install (package)	no	DECLARED	SRC-001 Official MCP Registry	35m ago
Remote access (hosted)	yes	DECLARED	SRC-001 Official MCP Registry	35m ago
Registry status	active	DECLARED	SRC-001 Official MCP Registry	35m ago
Version	1.0.0	DECLARED	SRC-001 Official MCP Registry	35m ago
MCP server	yes	DECLARED	SRC-001 Official MCP Registry	35m ago

Change history

NEW28 Oct 2026
first seen in the index

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Is X402 Helper MCP still online?

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Do you run X402 Helper MCP? Know when it stops answering

For publishers · optional

Its hosted endpoint can be monitored. Monitoring Pro connects every 30 minutes like an AI assistant, emails you within the hour when it stops answering, keeps a 90-day availability history and adds your answer rate to your badge.

Monitor X402 Helper MCPLaunch offer $39.99 once, for life instead of $9.99/month · All plans

Monitoring never changes a score or a rank.

Questions about X402 Helper MCP

How do I connect X402 Helper MCP?

Use the hosted endpoint https://x402helper.xyz/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.

What tools does X402 Helper MCP offer?

When Electra Index connected on 28 Oct 2026, it listed 2 tools: search_endpoints, call_endpoint. The full list is in "Live check" above.

Is X402 Helper MCP online?

Yes. Its hosted endpoint answered an MCP connection from Electra Index 44m ago.

What can I use X402 Helper MCP for?

Based on its description, it is most relevant to: detect fraudulent transactions, buy products online, handle refund requests, reconcile payments.