Marketplace · API · x402

modelmarket.dev/x402/mcp-diff

MCP security: catch a rug pull or tool poisoning between two tools/list results of the same MCP server — the version you approved and the one it serves now. Flags instructions aimed at the model, override and concealment wording, credential and wallet paths, covert actions, hidden Unicode, new URLs and addresses, a dropped readOnlyHint, new command or path parameters and look-alike tool names; verdict unchanged, changed, review or suspicious, with a word diff per changed tool.

Endpointhttps://modelmarket.dev/x402/mcp-diff
Trust✓ Verified callable · 100% uptime over 1 checks · ~695 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x1218ff36C5d2e3B6A565CdB1A8B1AcCFc606Ad0a
methodPOST
last updated2026-10-24T21:21:48.427Z

Use it

Call it (an x402 client pays automatically)

curl -i https://modelmarket.dev/x402/mcp-diff
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-f4443f890517aeca

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}