manifest.json

{
    "name": "Kagi",
    "description": "An extension which makes your default search Kagi and redirects you to kagi.com if you go to Google, Bing, Yahoo, Yandex, Baidu or Sogou",
    "author": "Oscar Sanderson",
    "homepage_url": "https://kagi.com/",
    "version": "2.0.1",
    "manifest_version": 2,
    "icons": {"48": "Kagi_48.png"},
    "permissions": [
      "<all_urls>"
    ],
    "background": {
      "scripts": ["background.js"]
    },
    "incognito": "not_allowed",
    "chrome_url_overrides": {
      "newtab": "newtab.html"
  },
    "commands": {
        "_execute_browser_action": {
          "suggested_key": {
            "default": "Ctrl+Shift+K",
            "mac": "Command+MacCtrl+K"
          },
          "toggle-feature": {
            "suggested_key": {
              "default": "Ctrl+Shift+K+S",
              "mac": "Command+MacCtrl+S"
            },
            "description": "Send a 'toggle-feature' event to the extension"
          }
        }
      },
    "chrome_settings_overrides": {
          "search_provider": {
            "favicon_url": "https://kagi.com/favicon.ico",
            "is_default": true,
            "encoding": "UTF-8",
            "keyword": "k",
            "name": "Kagi",
            "search_url": "https://kagi.com/search?q={searchTerms}",
            "suggest_url": "https://kagi.com/api/autosuggest?q={searchTerms}"
          }
          },
          "browser_action": {
            "default_icon": "Kagi.png", 
            "default_popup": "extension.html"
        }
   }