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X402 Express MCP server

by ihen404·io.github.ihen404/x402-express·v1.0.0
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Express.js HTTP 402 payment middleware for AI agent micropayments

F25/100grade F
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Safety scan
F25/100

full report

Adoption
Not measured yet

Usage numbers are collected on the next scan

Blocked at the gateway.Blocked at the gateway. A critical finding or a dead endpoint.

Reviews

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

X402 Express tools

No tool declarations could be read from the package source. They show once the server is installed.

Public scan report

scanner v0.1.10 · 2026-10-30 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualityno auth information5/15
  • Maintenancerepository not readable: repo not found3/15
  • Maintainer identityno repository or website to verify2/10
Overall 25/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How X402 Express compares

Against every graded Finance MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
25/100
higher than 4% of 1,761 Finance servers

Install X402 Express in Claude Code, Cursor or VS Code

The registry entry has no remote endpoint or installable package.

X402 Express: common questions

Is X402 Express MCP server safe?
No: it is graded F and blocked at the gateway (25/100). Read the X402 Express safety report
Does X402 Express need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is X402 Express maintained?
The latest release is v1.0.0.
What can I use instead of X402 Express?
Servers from other publishers that do the same job: three.ws Agent Payments MCP server, X402 List MCP server and Pulsefeed X402 MCP server.

Alternatives to X402 Express

Same job from other publishers: the closest match first, then the best rated.

  • three.ws Agent Payments
    Governed x402 payment sessions: pay any endpoint with budget, allowlist & per-tx caps, no key.
    More from nirholas →
    B
  • X402 List
    Find and vet x402 payment APIs before your agent pays one: uptime, price, on-chain volume.
    A
  • Pulsefeed X402
    Verify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores.
    A
  • Blockrun
    Web search, deep research, prediction markets & crypto data for AI agents. Pay per call via x402.
    B
  • Agent402.Tools: pay-per-call web tools
    Agentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, or free via proof-of-work
    A

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