Mmcp.market

x402 economy tools MCP server

by multichain-rpc.clankerceo.workers.dev·dev.workers.clankerceo.multichain-rpc/x402-tools·v1.2.0
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Measured x402 ecosystem data, facilitator reliability, and live endpoint checks.

A87/100grade A
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Safety scan
A87/100

full report

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If you have run it, two minutes of your experience saves the next person an afternoon.

x402 economy tools tools (6)

write = sends, deletes, buys or posts
  • x402_audit_merchantFree

    Full paid due-diligence audit of an x402 merchant: live probe, price-drift detection between advertised and actual challenge price, settlement history, unique buyer count, and on-chain verification that USDC actually reaches the payTo address. Returns PASS/CAUTION/AVOID with evidence. Costs $0.01 USDC via x402 — returns payment instructions if called without payment.

  • x402_check_endpointFree

    Check whether an x402 endpoint is alive and emits a valid HTTP 402 payment challenge, before you pay it. Free liveness check. Returns reachability, status code and whether a valid challenge was found.

  • x402_facilitator_guideFree

    Which x402 facilitators actually settle payments, measured by probing each with a real signed EIP-3009 payload. Tells you which are keyless, which need API keys, which are testnet-only and which are unreachable. Free. Use before choosing a facilitator.

  • x402_gas_priceFree

    Current gas price and estimated simple-transfer cost for an EVM chain. Free preview route. Supports base, polygon, arbitrum, optimism, ethereum.

  • x402_market_statsFree

    Get measured statistics about the x402 ecosystem economy: total 30-day revenue across sampled resources, revenue concentration, revenue at a given rank, price distribution and payer concentration. Free. Use this to decide whether building or buying on x402 is worth it.

  • x402_verified_merchantsFree

    List x402 merchants that have been VERIFIED to accept payment — each one actually paid with real USDC on Base, with the settlement transaction hash. This is different from a liveness probe: public censuses only check whether a 402 is emitted, not whether paying works. Use this to find endpoints that will actually serve you. Free.

Public scan report

scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 296ms20/20
  • Tool poisoning6 tool descriptions checked15/15
  • Auth qualityopen endpoint, read-only tools10/15
  • Maintenancelast push 12 days ago15/15
  • Maintainer identitynamespace and repository owner differ; website matches verified namespace5/10
Overall 87/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

claude mcp add --transport http x402-tools https://multichain-rpc.clankerceo.workers.dev/mcp
Add to Cursor

x402 economy tools: common questions

Is x402 economy tools MCP server safe?
Yes, by our scan: it is graded A (87/100). Read the x402 economy tools safety report
How do I install x402 economy tools?
It runs remotely at multichain-rpc.clankerceo.workers.dev. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
Does x402 economy tools need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is x402 economy tools maintained?
The last commit was 12 days ago (2026-09-09). The latest release is v1.2.0.
Is x402 economy tools up?
100% of our last 7 checks got an answer. We check remote servers about four times a day.

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