{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "0b3167c01c24f7c3e4063562e2a7a768ffbfd1b6a49336e6adc31141b5d71146",
  "signature": "zUssWPWYli4/nkQlNxqHBjr4k3l7brb9/CwFBTEBr53QUFkgmmFh9HbTa+KeYrhMtwdG+Cy46NITPaLLzd6ZBQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:43:23.959Z",
  "slug": "tdd-workflow",
  "version": "0.1.0",
  "filename": "tdd-workflow-agent-plugin.zip",
  "bytes": 3211,
  "content_digest": "d77d65469c754b8781bcf15795eba568e524f12a27ceed77cb6d6485ae687e9e",
  "content_signature": "EF43qDy9U/GlEFSWm/jiPBGTj0reDx4cABAbzISzQlf0UEZkgkMjnY79MjzHzU5/d4wi6f2QTuAStGmnTud4Bw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "d9aa4ccb9c7407a8bbc46da698de1fc7b0d89fd4d2011260fbf39e2c860c032f"
    },
    {
      "path": "skills/tdd-workflow/SKILL.md",
      "sha256": "6de2a8a1417ca126cd5dced63dad2ac2384754b2c8e7b0b5e87c1792ca977442"
    }
  ],
  "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]"
  }
}