{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "afe8ad70546153e8d1b4eeb25a054260359113444289076777e7e2a295e66cee",
  "signature": "URXIhpjjDf3A35qeMhcADTOnTj+4orJOAIWJ+sOBUxIWsEV2g49/hOHO+sMB3iJvpdPqyLEkmbjYW5t7jiR7Dg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:07:37.223Z",
  "slug": "safety-guard",
  "version": "0.1.0",
  "filename": "safety-guard-agent-plugin.zip",
  "bytes": 3286,
  "content_digest": "dcff54632f8d4611196087c0bb459f31d7da3eba44aba26e170fea69b6af63d4",
  "content_signature": "MnrVh5E7legAZ4Z809yp1s2LRPxLdz0HjZwLiJ1slrW1sUNrUYu2nOhQWFsQvkoDf3u136VBxovtpPywz7q4Cg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "0fd2d003eff246793a437f69c7a13382e3e52e59e7fffdfa96c7c28773848bd7"
    },
    {
      "path": "skills/safety-guard/SKILL.md",
      "sha256": "a5f9cbe3aeaf9535541608143e481e5b52f55a788317693b23f171d3c70eab57"
    }
  ],
  "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]"
  }
}