{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "564b8545d9dc2e2e070d6179557ed7c09db6d69a0ce573d9a33e1983db354b34",
  "signature": "a3CAAKwG5+SaIMJnG14lf0PkQvK/5sukKBBggGew+w+xYqmRpxWQitD7xD0oaG16QTiztHtx8klLCD/PLrFLCg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:07:37.247Z",
  "slug": "mobile-perf-profiler",
  "version": "0.1.0",
  "filename": "mobile-perf-profiler-agent-plugin.zip",
  "bytes": 3501,
  "content_digest": "3dadbf7dbff9288543637de3023d8ef2981a07d662185814c939dab0c5932c22",
  "content_signature": "jwOo381kMCOgq/mfd4oCE/yiRgZqEDN9TOX7ro4mhjOQkcw9nBYSnjfMySS0wkRqDyabQB00PVgthmmF0GThDw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "cc9a6af473ac7d2cdf623a91cce2e5458f5d221928d1e3a9f24383ea0d06c670"
    },
    {
      "path": "skills/mobile-perf-profiler/SKILL.md",
      "sha256": "2c1c1dbf7b646ccd28574716afabde66109a604ce5ea16fca89fb9c86b85b859"
    }
  ],
  "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]"
  }
}