.agents/plugins/marketplace.json

{
  "name": "comic-sol",
  "interface": {
    "displayName": "Comic Sol"
  },
  "plugins": [
    {
      "name": "comic-sol",
      "source": {
        "source": "url",
        "url": "./"
      },
      "policy": {
        "installation": "AVAILABLE",
        "authentication": "ON_INSTALL",
        "products": ["CODEX"]
      },
      "category": "Developer Tools"
    }
  ]
}