Angel Agent Guard: pre-purchase check + prompt-injection scan

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-11-14T16:32:10.541059Z",
      "publishedAt": "2026-11-14T16:32:10.541059Z",
      "statusChangedAt": "2026-11-14T16:32:10.541059Z"
    }
  },
  "server": {
    "name": "com.oroboros-design.angel/agent-guard",
    "title": "Angel Agent Guard: pre-purchase check + prompt-injection scan",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "version": "0.2.0",
    "packages": [
      {
        "version": "0.2.0",
        "transport": {
          "type": "stdio"
        },
        "identifier": "angel-agent-guard",
        "registryType": "npm",
        "environmentVariables": [
          {
            "name": "ANGEL_PAYER_ADDRESS",
            "description": "Your wallet address: its own 3 free hosted calls"
          },
          {
            "name": "ANGEL_AGENT_PRIVATE_KEY",
            "isSecret": true,
            "description": "Optional hot-wallet key for automatic x402 payment (needs viem)"
          },
          {
            "name": "ANGEL_MAX_USDC",
            "description": "Per-payment cap in USDC, default 1.00"
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/daoudandiaye98-alt/angel-agent-guard",
      "source": "github"
    },
    "websiteUrl": "https://angel.oroboros-design.com/docs/prompt-injection-defense/",
    "description": "Check a shop, checkout or payment link, paid API or token before paying; prompt-injection scan."
  }
}