Asteroid recently launched!

Launch YC: Asteroid: AI Builder for complex Browser Agents

"Automate any browser task in minutes, no technical skills required"

TL;DR:
Asteroid is the fastest way to build self-healing browser agents, no technical experience required.

Their new
AI agent builder, Astro, allows you to build complex, multistep browser agents by building an agent graph, writing prompts, adding tools, human in the loop and guardrails.
This makes Asteroid agents suitable for mission-critical workflows, and more than 25 businesses already use them in healthcare, insurance, and beyond.

Astro is fully available, build your agent here!

https://youtu.be/ugY_qLTfmG8

Founded by David Mlcoch & Joe Hewett

What is the problem?

Startups need to integrate with external portals (carriers, suppliers, healthcare) but can’t wait months for APIs.

Many great browser-agent frameworks have emerged in the past year, but non-technical teams still can’t build production-grade agents.

Operations leaders, PMs, and founders are the ones who understand the workflows and edge cases and should be the builders. Relying on developers to constantly fix prompts for every new edge case isn’t sustainable.

Image Credits: Asteroid

Solution: Astro - AI Builder for Complex Browser Agents

The team is launching Astro, their AI builder that lets anyone create complex, self-healing browser agents in under 2 minutes. Tell Astro what you want, for example “Build an agent to pull patient data from this EHR”, and it generates the full agent.

Asteroid 1

Astro improves the agent using previous runs. Behind the scenes, it writes code when needed, including Playwright scripts for deterministic steps, giving everyone code-level reliability.

Asteroid 2

Every part of the agent, including graphs, prompts, and model settings, is fully visible so you can make precise, surgical edits whenever needed.

How does it work

  1. Build: Non-technical teams create agents directly in the platform. Astro generates the prompts, agent graphs, and tools needed to handle even the most complex browser workflows.
  2. Deploy: Developers drop in a single code snippet to call the agent through Asteroid’s API/SDKs.
  3. Supervise: Monitor live sessions, review recordings, track performance, and trigger human-in-the-loop via Slack when needed.
  4. Improve: Non-technical teams update prompts and ship new agent versions instantly as workflows change.

Ship your first agent today

Astro is fully available, try it for free here or book a demo with a founder!

Learn More

🌐 Visit asteroid.ai to learn more.
🤝 Astro is fully available, try it for free here or book a demo with a founder!
⭐ Give Asteroid a star on Github.
👣 Follow Asteroid on LinkedInX.

Posted 
December 10, 2025
 in 
Launch
 category
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