Mockiato: Mocks on the Fly!

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Mockiato: Mocks on the Fly!",
  "description": "Chrome extension to intercept requests, create real-time mocks, and auto-insert headers for web development & testing.",
  "version": "1.7.3",
  "devtools_page": "devtools.html",
  "icons": {
    "16": "icons/mockiato-16.png",
    "128": "icons/mockiato-128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/mockiato-16.png",
      "128": "icons/mockiato-128.png"
    }
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "mockiato.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "contentScript.js"
      ],
      "run_at": "document_start"
    }
  ]
}