{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "28279d7146b9e0d49e4be483af4e4a6123ad04fb31d5afd23a3717b694d0fbe2",
  "signature": "fcnHZdIRwX2rQmZ6N2rWoEcho6S/XJWUaQdCmxYPY9TkZJMmgfurollijKzu8wSWnh/BZP1nJ8nn0X2csdpwBQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:24:15.020Z",
  "slug": "context-budget-optimizer",
  "version": "0.1.0",
  "filename": "context-budget-optimizer-agent-plugin.zip",
  "bytes": 3409,
  "content_digest": "d5c686227020367e9bc69ee1649e8504df804e5339f844564d04647a55d7c903",
  "content_signature": "Uq59xk7dI+XhpIAo9SnIKXHHqBHE+ZGxSzpj+X70Sad7s9BQQJHAq8RT6R+JOPVogg/J5EM4NSQAXF0RAhkMCg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "487ccf5487825c70d0061f897e9a3fc452d7ed25daaa20805ddd6a597cecf656"
    },
    {
      "path": "skills/context-budget-optimizer/SKILL.md",
      "sha256": "aa0693b1d408a3fa8cd0e8bd63a4156ac2ffdbdbf274aa5a714a818f7b3c57b5"
    }
  ],
  "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]"
  }
}