x402 Payment Request Parser MCP Server

by mk-career-planning Your server? Claim it

answering

x402 Payment Request Parser is answering right now. Last checked 5 min ago. It exposes 4 tools.

x402 payment-request parser with a limited token list. Does not sign, approve or judge payments.

Uptime history 8 days of history

8 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

1189 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check x402 Payment Request Parser every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add x402-safety-kit --transport http https://x402-safety-kit-production.mk-career-planning.workers.dev/mcp

Settings → Connectors → Add custom connector, then paste this address

https://x402-safety-kit-production.mk-career-planning.workers.dev/mcp

~/.codex/config.toml

[mcp_servers.x402-safety-kit]
url = "https://x402-safety-kit-production.mk-career-planning.workers.dev/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "x402-safety-kit": {
      "url": "https://x402-safety-kit-production.mk-career-planning.workers.dev/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "x402-safety-kit": {
      "type": "http",
      "url": "https://x402-safety-kit-production.mk-career-planning.workers.dev/mcp"
    }
  }
}

Available tools 4

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

x402

x402_known_assets

Free. The limited reference list this server compares token addresses with: known assets (network, contract, symbol, decimals) with sources and check dates, known CAIP-2 networks, scheme names from the x402 specs, and payment flows. A table match is not proof that an asset or a merchant is genuine.

x402_parse_payment_request

Free. Decode one x402 v2 payment request (base64 PAYMENT-REQUIRED header, PaymentRequired JSON or MCP tool result) and list every accepts option with exact atomic and decimal amounts. Token addresses are compared with a limited reference list. status: parsed, ambiguous (options differ in recipient, network or amount; none is chosen), malformed or unsupported. Does not verify the merchant, authorize a transfer, assess fraud risk, or guarantee any payment. URLs in the input are never fetched.

catalog

catalog

List the tools of this server with prices, data sources, licensing, daily limits and data freshness.

receipt

get_receipt

Re-fetch the stored result of a settled paid call by its receipt_id, for when the response was lost after payment. Free. Unknown or unsettled receipt ids return RECEIPT_NOT_FOUND. Results are kept for 90 days after settlement.

Endpoints

URL	Transport	State	Latency	Checked
https://x402-safety-kit-production.mk-career-planning.workers.dev/mcp	streamable-http	answering	974 ms	5 min ago

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x402 Payment Request Parser — questions

Answers built from our own checks of this server.

What can x402 Payment Request Parser do?

It exposes 4 tools, read directly from the server on our last check. Among them: catalog, get_receipt, x402_known_assets, x402_parse_payment_request. 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 x402 Payment Request Parser working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 1189 ms. The bar chart above shows every period we have measured.

How do I connect x402 Payment Request Parser?

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

Does x402 Payment Request Parser need an API key?

No. x402 Payment Request Parser completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is x402 Payment Request Parser?

It answers our handshake in 1189 ms on average, which is faster than 3% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.