{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "cd8aff63cdbb70df92809059f339b5167fec5d14f7d3fd205dbef2a9f2701808",
  "signature": "5zajSbXPTUdht4kv8Z0YiXMhTdD9cMfgpdqwGBHvOxWNr04Bral6S8uBXrJW/iBJugQaiV5cerUYqGUN+UR3Cw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:11:11.447Z",
  "slug": "property-listing-writer",
  "version": "0.1.0",
  "filename": "property-listing-writer-agent-plugin.zip",
  "bytes": 3562,
  "content_digest": "166e7cdda9c66f1f40c1dd45e82f0a9df0129f47a75e6ecdba589a0b00d0ac30",
  "content_signature": "CNWKBShBbNi8+qw8q1ICpW7HmhA49dXhhV2O7lZKILrJHisaBd3N5wlKufV0G9LNVbb7TZz6LrjkWuRPHo7GAg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "14ef0ba61b72f4f7bad837ca6ed0c1068a57e41e3d3a120b49d72c7cc7a33c10"
    },
    {
      "path": "skills/property-listing-writer/SKILL.md",
      "sha256": "79964de1c50780beec1aa331df4e62c6165dcc51efa57fde2c87ae973fe73772"
    }
  ],
  "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]"
  }
}