{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "9f6c59395bb785b865235975025c43c5206d0846cd5a500d8409e1a1b4fed911",
  "signature": "W7T2jajXEZM/52k7vL0N2rtxxXL6b1mb30tPUqLdfZ7Jy31bHAVlmGJYW/stSY2U0/q9L4TNDJXwz0eUcK9aCw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:12:11.809Z",
  "slug": "guardrail-mental-health-crisis",
  "version": "0.1.0",
  "filename": "guardrail-mental-health-crisis-agent-plugin.zip",
  "bytes": 3624,
  "content_digest": "27599bbd87ddd9e623b257a693949ee11a245d307e8ae9e31c661e912827b5db",
  "content_signature": "24DwETueIL/z8Lttzpr4mCiHke1X0GgB+LNzq/4kJh1Bpc828i2JNNNWGr38m+WEcRln7fm0lZsQLLCfQYPjBQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "6b6ad3d7fcd00fc0500e3e98ff39fc2539b0f904f8ba25706f308b637cee1546"
    },
    {
      "path": "skills/guardrail-mental-health-crisis/SKILL.md",
      "sha256": "f598ecfc63d6ad2461f0c68f2269a79279bc0b7f24d66044e76f73d2a3b645e5"
    }
  ],
  "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]"
  }
}