diff --git a/cmd/find-appcast.rb b/cmd/find-appcast.rb
new file mode 100755
index 000000000000..c92a4865d3e0
--- /dev/null
+++ b/cmd/find-appcast.rb
@@ -0,0 +1,69 @@
+# frozen_string_literal: true
+
+require "cli/parser"
+require "formula"
+require "open3"
+require "pathname"
+require "yaml"
+require "net/http"
+require "uri"
+
+module Homebrew
+  module_function
+
+  sig { returns(CLI::Parser) }
+  def find_appcast_args
+    Homebrew::CLI::Parser.new do
+      usage_banner <<~EOS
+        `find-appcast` <app_path>
+
+        Finds the appcast for a given app when a path is provided to the .app bundle.
+      EOS
+
+      named_args :app_path, min: 1
+
+      hide_from_man_page!
+    end
+  end
+
+  def find_appcast
+    args = find_appcast_args.parse
+
+    app = Pathname.new(args.named.first)
+    find_sparkle(app) || find_electron_builder(app)
+  end
+
+  def verify_appcast(appcast_type, *urls)
+    print "Looking for #{appcast_type} appcast… "
+    urls.each do |url|
+      next unless url_exist?(url)
+
+      puts "Found!"
+      puts "  #{url}"
+      return true
+    end
+    puts "Not found."
+    false
+  end
+
+  def url_exist?(url)
+    return false unless url
+
+    system("curl", "--silent", "--location", "--fail", url, out: File::NULL)
+  end
+
+  def find_sparkle(app)
+    plist = app.join("Contents/Info.plist")
+    url = Open3.capture3("defaults", "read", plist.to_path, "SUFeedURL").first.strip
+    verify_appcast("Sparkle", url)
+  end
+
+  def find_electron_builder(app)
+    appcast_file = app.join("Contents/Resources/app-update.yml")
+    unless appcast_file.exist?
+      verify_appcast("electron-builder", false)
+      return false
+    end
+    YAML.load_file(appcast_file)
+  end
+end
diff --git a/developer/bin/find-appcast b/developer/bin/find-appcast
deleted file mode 100755
index d27f026e2f11..000000000000
--- a/developer/bin/find-appcast
+++ /dev/null
@@ -1,95 +0,0 @@
-#!/usr/bin/env ruby
-# frozen_string_literal: true
-
-# rubocop:disable Style/TopLevelMethodDefinition
-
-require "open3"
-require "pathname"
-require "yaml"
-
-require "net/http"
-require "uri"
-
-def verify_appcast(appcast_type, *urls)
-  print "Looking for #{appcast_type} appcast… "
-
-  urls.each do |url|
-    next unless url_exist?(url)
-
-    puts "Found!"
-    puts "  #{url}"
-    return true
-  end
-
-  puts "Not found."
-  false
-end
-
-def url_exist?(url)
-  return false unless url
-
-  system("curl", "--silent", "--location", "--fail", url, out: File::NULL)
-end
-
-def find_sparkle(app)
-  plist = app.join("Contents/Info.plist")
-  url = Open3.capture3("defaults", "read", plist.to_path, "SUFeedURL").first.strip
-
-  verify_appcast("Sparkle", url)
-end
-
-def find_electron_builder(app)
-  appcast_file = app.join("Contents/Resources/app-update.yml")
-
-  unless appcast_file.exist?
-    verify_appcast("electron-builder", false)
-    return false
-  end
-
-  data = YAML.load_file(appcast_file)
-  bucket = data["bucket"]
-  channel = data["channel"]
-  endpoint = data["endpoint"]
-  name = data["name"]
-  owner = data["owner"]
-  path = data["path"]
-  region = data["region"]
-  repo = data["repo"]
-  url = data["url"]
-
-  possible_appcasts = [
-    "#{url}/latest-mac.yml",
-    "#{url}/updates/latest/mac/latest-mac.yml",
-    "https://github.com/#{owner}/#{repo}/releases.atom",
-    "https://#{bucket}.s3.amazon-aws.yml/#{channel}/latest-mac.yml",
-    "https://#{bucket}.s3.amazonaws.com/latest-mac.yml",
-    "https://#{bucket}.s3.amazonaws.com/#{path}/latest-mac.yml",
-    "https://s3-#{region}.amazonaws.com/#{bucket}/#{path}/latest-mac.yml",
-    "https://s3.amazonaws.com/#{bucket}/#{path}/latest-mac.yml",
-    "https://#{name}.#{region}.digitaloceanspaces.com/latest-mac.yml",
-    "https://#{name}.#{region}.digitaloceanspaces.com/#{path}/latest-mac.yml",
-    "#{endpoint}/#{bucket}/#{path}/latest-mac.yml",
-  ].map do |appcast|
-    # Collapse groups of two or more forward slashes into one, except when preceded by a colon
-    appcast.gsub(%r{(?<!:)/{2,}}, "/")
-  end
-
-  return if verify_appcast("electron-builder", *possible_appcasts)
-
-  warn <<~MESSAGE
-
-    An "app-update.yml" file was found, but we could not parse it.
-    Please report this on https://github.com/Homebrew/homebrew-cask/
-    Provide this info:
-
-  MESSAGE
-
-  puts appcast_file.read
-end
-
-App = Pathname(ARGV[0]).freeze
-
-find_sparkle(App)
-find_electron_builder(App)
-
-# rubocop:enable Style/TopLevelMethodDefinition