01What is a Custom HUD for AI Agents?

A custom HUD for AI agents is a floating overlay on your Mac that lets you control your AI agents with your voice or by typing. It stays on top of all your apps, ready whenever you need it. You can use it to open applications, find files, or give commands to agents like Claude, Hermes, and Anti-Gravity.

In this episode, the team built a HUD called Agent OS Reactor for a community member named Matt. It works with any Mac app, like Finder or Obsidian, and it can be opened or hidden with a simple click. The HUD is voice-controlled, but you can also type into it directly.

It is a custom widget that connects to your AI agents and helps you manage your computer more easily.

02Key Features of the HUD

The HUD comes with several useful features that make it a handy tool for everyday use.

  • Voice commands: You can speak commands like 'open Obsidian' and the HUD will launch the app for you.
  • Text input: If you prefer typing, you can type your commands directly into the HUD.
  • Overlay across apps: The HUD stays visible over any app, including Finder, so you can access it anytime.
  • Hide and show: You can minimize the HUD or bring it back using the menu bar icon.
  • File search: You can say 'find' followed by a file name to search your computer.
  • Command handling: The HUD uses speech recognition and an intent parser to understand what you want.

These features make the HUD a practical way to interact with your AI agents and automate tasks on your Mac.

03How to Set Up Your Mac for the HUD

Before you can build the HUD, you need to prepare your Mac. Here are the steps to get started.

  1. Create a folder for the HUD project and open it in your coding assistant.
  2. Install Apple's command line tools by running a command in the terminal. Check that a Swift version appears.
  3. Use a Swift source folder to create a desktop app. The coding assistant uses its own account, so you don't need an API key.
  4. Give your coding assistant a detailed brief describing the app you want, the design, and the behavior.

Once your Mac is ready, you can move on to the next step of giving the assistant the exact instructions for the HUD.

04Step-by-Step Guide to Building the HUD

Building the HUD involves five main steps, as shown in the episode.

  1. Prepare your workspace: Create a folder and open it in your coding assistant.
  2. Write the brief: Tell your assistant to build a native Mac desktop companion called Agent OS Reactor. Use SwiftUI for a futuristic HUD and AppKit for a floating panel and menu bar icon.
  3. Add commands and permissions: Describe the commands you want, like opening apps. Make sure to give the app accessibility permissions so it can control your computer.
  4. Build and install: Run the build script or let your agent do it. This compiles the Swift code and installs the app into your Applications folder.
  5. Test and fix: Test the HUD. If something doesn't work, go back to your agent and ask it to fix the issue.

The episode shows this process in action. For example, the first test failed because Obsidian wasn't supported. The agent fixed it and restarted the system, and then it worked.

05How to Use the HUD in Daily Work

Using the HUD is simple. You can enable voice control and give commands. For example, you can say 'open Obsidian' and the HUD will launch it.

You can also type commands directly into the HUD. To search for a file, say 'find' followed by part of the file name. The HUD will show you a list of matching files.

You can hide the HUD anytime by clicking the menu bar icon, and bring it back with 'show reactor'. The HUD can also dictate into other apps, like the Elastic Center app.

One cool feature is that you can ask the AI to create tutorials. For example, you can say 'record a tutorial about workflow' and the agent will make one for you.

06Testing and Results from the Episode

In the episode, the team tested the HUD to make sure it worked. The first test gave a voice command, but nothing happened. The agent explained that the command handling was too rigid and Obsidian wasn't supported.

After fixing that, the HUD worked.

Here are the results from the testing:

  • Voice commands: Opening apps like Obsidian and Excel worked after the fix.
  • File search: Searching for 'agent OS' returned the correct list of files.
  • Hide and show: The HUD could be hidden and shown without issues.

The host said it was easier than expected, even for a desktop app. The whole process took just a little time, and the final result was a fully functional HUD.

07Tips, Limits, and Mistakes to Avoid

When building a custom HUD, keep these tips in mind to avoid common problems.

  • Be clear in your brief: The AI agent needs very specific instructions about design, behavior, and commands.
  • Test early: Don't wait until the end to test. The episode showed that the first test failed, so test as soon as you can.
  • Grant permissions: The HUD needs microphone, speech recognition, and accessibility permissions to work properly. Without them, commands won't work.
  • Expect to fix: The first version may not work. Go back to your agent and ask it to improve the code.
  • Don't leave the voice agent on all the time: The host advises against having a voice agent always listening. Use it only when needed.

These tips will help you build a HUD that works smoothly.

08Who Should Build This HUD and Why

This custom HUD is for anyone who uses AI agents on a Mac and wants a faster way to interact with them. It's great for power users, developers, and business owners who want to control multiple apps with simple voice commands.

It matters because it makes your workflow more efficient. Instead of switching between apps, you can just say a command and the HUD does the work. The episode showed that it's easy to build, even for beginners.

If you want the full system, you can get it inside the AI Profit Boardroom. The host mentioned that the HUD is built into the agent OS system and is updated daily. You also get access to tutorials, coaching calls, and a community of AI agent builders.