{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "275e8f80e328bba08e29495c3ffb47c82456a1a410c396728a0ac89444492941",
  "signature": "ctn8hCU177MwfF4cme0qpRdrlcx4MRxIkqm5ztns8//cEmjmfPW59rEfRwI8W83jQJY9twcGdKQEBZ0x1DJODA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:07:24.600Z",
  "slug": "token-budget-tracking",
  "version": "1.0.0",
  "filename": "token-budget-tracking-agent-plugin.zip",
  "bytes": 3588,
  "content_digest": "17fa6a8126acbdffa20531232d0773e7639f8acf075807fd4d500777c2aab7a8",
  "content_signature": "iNpAIvgvo3rJzhWPwbdTpEKfStySngeOPk0E5sRuQBaAUFwg0b2+6AAD69D+L/Bsmwiq19GLBYyqC54mJPvKCw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "7b8375db960cba10dd16e451b023cf2ce1659d8f0ed66f354527f401a115ae02"
    },
    {
      "path": "skills/token-budget-tracking/SKILL.md",
      "sha256": "74c9e0b189d5a593e28dbdeb5bc496b64c858051ed6f9ccf02bf23a9bc02e542"
    }
  ],
  "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]"
  }
}