{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "4fb88ad0061d8f56c1b7ac9f0b4ac965b5e85ffb010c4cd77a05497b55bc3949",
  "signature": "5tnxA3JRpnYz+b5f5kJbUhfeCaUkRQ1n24W4OfDmu9bnZloOIx+W8L4mbczcTIUHiasOSavYa7PjQfhyc+UWDw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:29:48.554Z",
  "slug": "mongo-aggregations",
  "version": "0.1.0",
  "filename": "mongo-aggregations-agent-plugin.zip",
  "bytes": 3269,
  "content_digest": "9fff7ce4029d4c00e8b57fd6e5905be42866d5f0423f6fc94900aee889e8be50",
  "content_signature": "Y1XHLf18PBkrf3t6og7+/YKIjMYgb2GW3TjSBVqFSYnKhEWW9QX5zz6a2O354LJftvKZ6s1QTLFwIh5wQ43lBA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "1dfafafbb70061771c11ad152e8319ecc75d0ebeb3abea00e0ad0b5a53d0a0d8"
    },
    {
      "path": "skills/mongo-aggregations/SKILL.md",
      "sha256": "0f9c32de9fdf302901dcf7d8e17c0b459505664545d1fdb629295107119e4b0a"
    }
  ],
  "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]"
  }
}