@agentgate-builder/x402fix

x402 endpoint doctor for sellers and agent builders: point it at any paid x402 URL and get a graded list of what will break payments or Bazaar / x402scan listing (402 on GET/HEAD/POST, CORS, v2 header + v1 body, CAIP-2, USDC asset + EIP-712 domain, Solana

Installation

MCP client config (paste into mcp.json)

{
  "mcpServers": {
    "npm-agentgate-builder-x402fix": {
      "command": "npx",
      "args": [
        "@agentgate-builder/x402fix"
      ]
    }
  }
}

Agent install prompt

Copy and paste into Cursor / Claude / other agents to install this MCP for you

Please read this MCP repository and install it into my current environment:
https://www.npmjs.com/package/@agentgate-builder/x402fix

Known working client config (can write into mcp.json):
{
  "mcpServers": {
    "npm-agentgate-builder-x402fix": {
      "command": "npx",
      "args": [
        "@agentgate-builder/x402fix"
      ]
    }
  }
}

Please: 1) check README for deps and env vars; 2) write config for my client; 3) if secrets are missing, tell me what to fill — do not invent values.

GitHub

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