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Astro is an AI assistant that helps you build, understand, and improve your Asteroid agents through natural language conversations. With deep expertise in Asteroid agent architecture, best practices, and design patterns, Astro can help you build more reliable, maintainable browser automations. Whether you’re building a new agent, optimizing an existing one, or troubleshooting issues encountered during executions, Astro is there to help.

Build

Create new agents using natural language or documents like PDFs

Optimize

Get suggestions for making your agents more reliable and robust

Understand

Learn what your agent does and how it operates on the web

Debug

Examine execution results and understand what happened

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Accessing Astro

Astro is available in different places depending on what you want to do.
astro-create-page

Creating a new agent

Start typing in the chatbox on the Create page
astro-builder-page

Working with an existing agent

Click the Astro button in the top left of the Builder or Execution pages
Once Astro opens, you’ll see a conversation interface with message history and a chat input where you can ask questions or give instructions. At the top, you’ll see several quick-start prompts:
  • “What can you help me with?” - Learn about Astro’s capabilities
  • “What does my agent do?” - Get an explanation of your current agent
  • “Improve my prompts” - Get suggestions for better prompts
  • “Examine an execution” - Analyze a specific execution (use @ to mention executions)
  • “Build agent from PDF” - Create an agent from a PDF document
You can click any of these to start, or simply type your own question in the chat input.