Cloud Sandboxes for
AI Agents -
Isolated cloud sandboxes for agent code, data pipelines, and workloads - fast, secure, and built for real agent systems.
Built for teams building agentic systems
Section [ 01 / 03 ] · Overview
See It In Action
Watch your code execute in real-time isolated environments
Waiting for sandbox...
Python 3.12
Data science, ML pipelines, and automation scripts. Batteries included with numpy, pandas, and requests.
Node.js 22
Modern JavaScript runtime. Ship APIs, scrapers, and serverless functions with full npm ecosystem.
Go 1.22
Blazing fast compiled binaries. Build high-throughput agents and performant CLI tools.
Isolated execution environments. Pick your stack, we handle the infrastructure.
Developer Experience
Full control over your sandboxes. Simple APIs, powerful capabilities.
1from zeist import Zeist23# Initialize the client4client = Zeist()56# Create an isolated sandbox7sandbox = client.sandbox.create(8 runtime="python",9 memory="512mb"10)1112print(f"Sandbox ready: {sandbox.id}")1314# Execute code securely15result = sandbox.exec('''16import math17print(f"Pi is {math.pi:.4f}")18''')1920# Check the output21if result.ok:22 print(result.stdout)23 # Output: Pi is 3.141624else:25 print(f"Failed: {result.stderr}")2627# Clean up28sandbox.terminate()Runtime features
that matter
Secure Execution
Isolated environments for untrusted agent-generated code.
Sub-200ms Startup200ms
Low latency agents require fast provisioned runtimes.
Persistent Sandboxes
Sessions last as long as your workflows.
Multi-Language Support
Python, Node, Go, Bash (expandable).
Section [ 02 / 03 ] · Use Cases
Built for Agentic
Workloads
LLM Code Execution
Run AI-generated code safely in isolated environments
Data Processing & Pipelines
Process datasets with full Python/Node environments
CI/CD & Build Systems
Run builds and tests in fresh sandboxes
Cloud IDEs & Playgrounds
Instant development environments for your team
Multi-Tenant Execution
Isolated execution per customer or request
Background Agent Tasks
Long-running agent processes with persistence
Section [ 03 / 03 ] · Platform Features
Platform Features
Persistent Sessions (24h+)
Streaming STDOUT / STDERR
File System Isolation
Ephemeral or Persistent Storage
Networking Controls
Preview URLs
Start Building Agents
With Real Runtime Environments
Be first to run agent workloads in secure sandboxes and shape the platform roadmap.