{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "1b96561f68a49c9ae0c94c7ff0b805411470d8ad7f9981f3e4b7fef320619832",
  "signature": "XVl51vbqQCG8EzXXWrcRuSCMfd1lfPZrFpe0QhM7aix93QDyUwJUyHg9XXFkAU9CV+b4zpC63Y3cX9129vZLDg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:23:14.578Z",
  "slug": "sg-intercom-expert",
  "version": "0.1.0",
  "filename": "sg-intercom-expert-agent-plugin.zip",
  "bytes": 3843,
  "content_digest": "7528450b6ff7d600cd5a8ac16f381a4604c862ebcaab523737a9c067eb7171b1",
  "content_signature": "XGeRse/BGxrbQ62eL3yL3mjRmQnb+405P0MW134sOb8XienxXGcNi1U9TDedns1j0UCG2uR1Jo7AJObSnHc9Cw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "832b73f482ce1e5e10cf3c8a758d08199a970b44926a96911c1e81a69fd1a6fc"
    },
    {
      "path": "skills/sg-intercom-expert/SKILL.md",
      "sha256": "94a1c0c3405addc700a290d8eb94412b33dbea8529937d7f172927e5c5054c20"
    }
  ],
  "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]"
  }
}