{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "d5774f59fe9c9e8dd1c9a54c7c70efffe8bebcc474125343b43bf1bf3d217890",
  "signature": "Wno++Ikr8QM61vFXUCbzoffB5znAUGcsA3Rdsa+zJFewvloHf2hho7oBlMHG296i8C5qc6oGQo57ODEC13KcBw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:21:59.572Z",
  "slug": "postgres-query-pro",
  "version": "0.1.0",
  "filename": "postgres-query-pro-agent-plugin.zip",
  "bytes": 3242,
  "content_digest": "2cc9adada2b851e675ae375378ce7230555dad3b2613e81b652e83841c830245",
  "content_signature": "0suMZfNWbpmrKwADy4AaUfr7kz4O8PmDzYNZZtyjjbcdthJ2vFM9SC5Gi4GbfRdArd88W0kkV+Z0RcLElW06BQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "0bcdfd2de95c9549e7ba54d90963a59b4b74a53fef14b837ec6e984d7eb8cce2"
    },
    {
      "path": "skills/postgres-query-pro/SKILL.md",
      "sha256": "5582d9cd39736c5ecaeaee85b7a4d973144706504098364d864d110a48582f05"
    }
  ],
  "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]"
  }
}