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Agent37 (YC F26): Affordable Sandboxing for AI Agents

Agent37 is officially launching today! We are a YC F26 company dedicated to solving the "execution gap" in AI agent development. Specifically, we provide low-cost, high-isolation sandboxes designed specifically for the unique needs of autonomous agents.

The Core Problem

For too long, developers have been forced to choose between two suboptimal paths when giving agents access to a shell:

"Running an LLM with rm -rf / capabilities on your local machine is a nightmare, but spinning up a full cloud VM for every single agent task is financially ruinous."

Traditional Virtual Machines are too slow and expensive, while basic containers often lack the security boundaries required for untrusted code execution.

The Agent37 Solution

We've built a virtualization layer that allows you to spawn ephemeral environments in milliseconds. Our architecture ensures that agents can execute code, install dependencies, and browse the web without risking your host system.

System Architecture

Technical Specifications & Comparison

Pricing Model

We believe that for agents to be truly scalable, the cost of the environment must be negligible. We use a linear pricing model based on compute-seconds:

$\text{Total Cost} = \sum_{i=1}^{n} (\text{Duration}_i \times \text{Resource Rate})$

Where the $\text{Resource Rate}$ is optimized to be roughly $1/10\text{th}$ the cost of a standard cloud instance.

Getting Started

You can trigger a new sandbox using a simple POST request to our API:

curl -X POST https://api.agent37.com/v1/sandbox \
  -H "Authorization: Bearer $API_KEY" \
  -d '{
    "image": "python-3.11",
    "timeout": 300,
    "network": "restricted"
  }'

Our Roadmap

• Alpha launch for YC partners
• Integration with LangChain and AutoGPT
• Support for GPU-accelerated sandboxes
• Custom image registry for specialized agents

We are incredibly excited to help the community move away from dangerous local execution and toward secure, scalable agentic workflows. Check us out and let us know what you think!