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x402-json-repair-mcp

A small, autonomous, pay-per-call MCP server that AI agents discover and pay for per call, with revenue landing directly in a USDC wallet on Base via the x402 payment protocol.

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// key findings
🚨
Known vulnerabilities in dependencies: 2 critical, 5 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
🔐
You'll be asked for 1 credential: PAYER_PRIVATE_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies2 critical5 high1 medium25 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

criticalvitest@3.0.0GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

criticalvitest@3.0.0GHSA-9crc-q9x8-hgqq

Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening

high@hono/node-server@1.19.0GHSA-wc8c-qw6v-h7f6

@hono/node-server has authorization bypass for protected static paths via encoded slashes in Serve Static Middleware

highhono@4.12.0GHSA-88fw-hqm2-52qc

hono: CORS Middleware reflects any Origin with credentials when `origin` defaults to the wildcard

highhono@4.12.0GHSA-q5qw-h33p-qvwr

Hono vulnerable to arbitrary file access via serveStatic vulnerability

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
🔐 secretPAYER_PRIVATE_KEY
configPORT
configX402_MCP_URL
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/ktcod-x402-json-repair-mcp-1g6x1k)](https://m8ven.ai/mcp/ktcod-x402-json-repair-mcp-1g6x1k)
commit: e0aea269b09d553f044a181c0ac937ee4cf6970b
code hash: 61eb7895a36de96969874d9afa4512df3d7f4215d01656581092fa2cb93e8a39
verified: 7/30/2026, 8:06:31 PM
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