{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "6ab5755f9eb234d2ec33dc7782b80fbc172e8afce52de082f0f4569f544294d8",
  "signature": "HXkFVbe0CmEqL590sNk9S/F+wytE55H0BkS9SuPsMK3Z2cOF459zxz2NR9GM65Czgp7OWUJbNd8HSkqhw8P7Cg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:03:25.090Z",
  "slug": "api-security",
  "version": "1.0.0",
  "filename": "api-security-agent-plugin.zip",
  "bytes": 3380,
  "content_digest": "71cf0bcb61e72fac70f72db74f7d3dfac6b6fba4974a3819e94fd007b6cd0524",
  "content_signature": "wSJV2Z2sHU4rJMn5ZTYn1+3CTROuHivBHmZOOCQ2/xVgeQ2nGuycaiC74TCfo/uFCIu1rGA9WbWpK43M9yPjCg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "8ea5ae83660cc2b6abfbedde7f2ce596403c19f775a0d434e56d371d622a6dff"
    },
    {
      "path": "skills/api-security/SKILL.md",
      "sha256": "3af214b9c4c430b41fefd1a1ffe3fb7e67ad1a36ab892b09f8c55bb3a54647cb"
    }
  ],
  "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]"
  }
}