{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "e42600b6b319022cf9cd2d949407eb1c5ae02e63decb00517fc83a69f9a38f76",
  "signature": "hz4hJaZT3nxm62i25y/PgK/hGd2+T494+npSYb78jWQtZ8aIplnDMC8gfKs8lDsZPbL/MATc4thZ9qiNgtyzDg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:50:11.042Z",
  "slug": "brand-voice-guardian",
  "version": "0.1.0",
  "filename": "brand-voice-guardian-agent-plugin.zip",
  "bytes": 3510,
  "content_digest": "6ec998b60ff8a37da9b9daba39725acb1d22566573897daf0b917f2269cc13df",
  "content_signature": "nds8A1Q3VzVVxQC3enrQvOSkaDheMZYVa1xnVMkuZ8Ml0Fehp4h61VbJGVGsA/Nw6HyldsSkgvsnrOhZNtg8BA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "f66a1dcaa79cb38d0d64d555157cefebbd239e42c427c258ae9aba12a21d0a08"
    },
    {
      "path": "skills/brand-voice-guardian/SKILL.md",
      "sha256": "b90612113f79be4177226af28ccad4e210cfebcd67fd8d6ce348da06820f1539"
    }
  ],
  "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]"
  }
}