{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "e2399201bc23f844fcad4c53ec70fca56f40029f4ba1619eeee3632d75b9450e",
  "signature": "Pmv7ZY+306hyZ/3oQcPxiSvIo0ZjhSzGI5KsjNXe2MuvOoOw5B5Os/8n26fboo7P4D9wfqkzELhOpQEnJh8OBg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:11:42.797Z",
  "slug": "guardrail-automotive-repair-safety",
  "version": "0.1.0",
  "filename": "guardrail-automotive-repair-safety-agent-plugin.zip",
  "bytes": 3630,
  "content_digest": "5e02ca15603f3216f67021ca618719eebcdf2a654a5964f5433d9fd779689692",
  "content_signature": "6kXlhlSVv1bAGOCfb3DRzfjZR4+Nw1890uwXcf9Mbh3Xsl8D8LqNTYJsDcgsQFWiC7hs1YQtN1Da1mvmwUe7Dg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "fc8f94ecb11f543e3d0104c73b1ba4256588831ba964c35f7f77949d627ac4f7"
    },
    {
      "path": "skills/guardrail-automotive-repair-safety/SKILL.md",
      "sha256": "2e25a86eeeba2ce717814b8392c73372ff9158d1beadbf99e9f6d60adb922f1d"
    }
  ],
  "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]"
  }
}