io.github.mk-career-planning/x402-safety-kit·Finance

x402 Payment Request Parser

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

Connect

remote

Terminal

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

Nothing to configure — it works as is.

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Reviewed 46m ago.

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