{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "b718eea7b602fb5a223f7db4b2d32713cdf629fa27d469b1c9da83d643913abe",
  "signature": "meFXAcG8qzRutr4oSeLULJ9AeWWbcZSMJJZ9HWQiL17x2KIdVZTcs6OFdJ51g2q73OfODPuDRO6jY8wzJyZcAw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:58:23.729Z",
  "slug": "ec-shopify-expert",
  "version": "0.1.0",
  "filename": "ec-shopify-expert-agent-plugin.zip",
  "bytes": 3876,
  "content_digest": "ed6a95ad549fc07165aee30e9ab26d9f934cd087f4c7ff8b574e317fd8a0b8d7",
  "content_signature": "m9DaUX9VGGDfSpRY85hYJ4ZD4oDx0Xj6LGeKHrFIczfoJ5Yx4v79ONE3zxxF1d0W7+XPcoZdwNjpw9g6WI04Cw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "7e779250605550b5af053fff4a4d35f54709386872bb68a356d352ffd00c38b5"
    },
    {
      "path": "skills/ec-shopify-expert/SKILL.md",
      "sha256": "d93411d79b09447564be63418fef25c32d2b30b4557609cc11b360990e73f318"
    }
  ],
  "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]"
  }
}