well-012-x402-probe MCP Server

by workers-mmelnyk2000-well-012-x402-probe Your server? Claim it

answering

well-012-x402-probe is answering right now. Last checked 12 min ago. It exposes 1 tools.

Unpaid x402 probe: status, latency, payment terms. x402 $0.005 USDC, Base. As is, no warranty.

Uptime history 21 hours of history · worst hour 0%

21 hours agonow

76.0%

Uptime 24h

57 of 75 checks

Tools

read from the server

340 ms

Response time

average over 24h

open, no key

Access

streamable-http

well-012-x402-probe does not always answer

Over the last week it answered 76.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add x402-probe --transport http https://well-012-x402-probe.mmelnyk2000.workers.dev/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "x402-probe": {
      "url": "https://well-012-x402-probe.mmelnyk2000.workers.dev/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.x402-probe]
url = "https://well-012-x402-probe.mmelnyk2000.workers.dev/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "x402-probe": {
      "url": "https://well-012-x402-probe.mmelnyk2000.workers.dev/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "x402-probe": {
      "url": "https://well-012-x402-probe.mmelnyk2000.workers.dev/mcp"
    }
  }
}

Available tools 1

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

x402

x402-probe

Unpaid probe of a public https URL for x402 payment requirements ($0.005 USDC). Never pays. Returns HTTP status, latency, whether 402/payment-requirements parse, networks, min price, schema flag. https only; caps ~12s, 200KB, 5 redirects. Factual only; as is, no guarantee. Not a rating or certification. Provided as is, with no warranty or guarantee of accuracy or fitness. Nothing is stored.

Endpoints

URL	Transport	State	Latency	Checked
https://well-012-x402-probe.mmelnyk2000.workers.dev/mcp	streamable-http	answering	235 ms	12 min ago

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well-012-x402-probe — questions

Answers built from our own checks of this server.

What can well-012-x402-probe do?

It exposes 1 tools, read directly from the server on our last check. Among them: x402-probe. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is well-012-x402-probe working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 57 of 75 checks got a reply (76.0%), average response time 340 ms. The bar chart above shows every period we have measured.

How do I connect well-012-x402-probe?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does well-012-x402-probe need an API key?

No. well-012-x402-probe completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is well-012-x402-probe?

It answers our handshake in 340 ms on average, which is faster than 39% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.