{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "afb575a89b2eddc14286ee6c188ed4325c63a5c81c692f37facec8104bb46ae5",
  "signature": "aVENUftUMsu/yhawn3YqEhSnAu3RTnzKwClWEZXRZiS00cH70TQDuctWRCHqMFvjHEbgGc+JiuOnbITqt75dAg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:52:10.583Z",
  "slug": "guardrail-cybersecurity-dual-use",
  "version": "0.1.0",
  "filename": "guardrail-cybersecurity-dual-use-agent-plugin.zip",
  "bytes": 3643,
  "content_digest": "73c69e3e8f142060b0bfc926d1187bf0fbee464601537a178da8d6ffb98a155f",
  "content_signature": "3w9AdOxDwO+5WTY4ClMUSTU5ttEPrRSdbvwJYOvHLKzVj/h30SmuzBzOhuZMBggarLMVsoXBHK5RZU3m/dXxCA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "0708924bf8e5909b487e13d745cfa73fc67e426a6fb88673a849f27e8e8abba2"
    },
    {
      "path": "skills/guardrail-cybersecurity-dual-use/SKILL.md",
      "sha256": "1005777ae6e058abafa0182bd32751933598935ae5644398672a2ffd673f6ce1"
    }
  ],
  "verify": {
    "public_key_url": "https://superagentskill.com/api/public/signing-key.pem",
    "instructions": "sha256 the downloaded .zip, compare with `sha256`, then verify the base64 `signature` as an Ed25519 signature over the ascii sha256 hex string using the public key. An extracted or repacked copy can still be verified via `content_digest` / `content_signature`. Helper: node scripts/verify-package-signature.mjs <file.zip> <signature.json> [public-key.pem]"
  }
}