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About

Agent Substrate is an open-source runtime for operating isolated, stateful agent and code-execution sandboxes on Kubernetes. It coordinates actor and worker lifecycles, places active workloads on a shared pool of ready capacity, and can suspend idle environments while preserving memory and filesystem state for later resumption. Sandboxes use gVisor or Cloud Hypervisor microVM isolation, with per-actor identity and network controls. Agent Substrate is designed for platform and infrastructure teams building agent-hosting services, coding environments, and other workloads that execute untrusted or intermittent tasks. The core project is Kubernetes-portable; Google Cloud also provides GKE-optimized deployment tooling. Optional Filestore agent volumes can persist workspaces across suspend and resume cycles.

About

InstaVM is a production sandbox and cloud built for AI agents, giving agents instant computers with runtime, storage, networking, secrets, and policy. It goes beyond basic sandboxes by running untrusted code inside hardware-isolated real VMs rather than containers, helping teams give AI agents secure execution environments with full Linux filesystems, networking, package management, RESTful API access, and persistent state. InstaVM supports snapshots, allowing users to fork any sandbox and rewind any run, while persistent volumes keep state beyond each execution. Egress control lets teams allowlist what calls home, secrets injection and Vault help protect sensitive credentials from prompt injections, and public URL deploys can expose any port to the public web. It is built for agent patterns such as code interpreters, deploy agents, deep research agents, AI evaluations, reinforcement learning, computer use, and vibe coding apps.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Supported
Cloud Not Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Platform and infrastructure teams building services that run isolated agent or code-execution workloads on Kubernetes.

Audience

AI infrastructure, platform, and developer teams that need secure microVM sandboxes to run agent code, browser automation, evaluations, and deployments with persistent state and controlled networking

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$0
Agent Substrate on GKE is offered at no extra charge. GKE pricing applies to the resources you create.
Free Version Supported
Free Trial Not Supported

Pricing

$100 per month
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Google
Founded: 1998
United States
github.com/agent-substrate/substrate

Company Information

InstaVM
Founded: 2026
United States
instavm.io

Alternatives

Alternatives

Sprites

Sprites

Fly.io
Sprites

Sprites

Fly.io

Categories

Categories

Browser Automation Supported
Virtual Machine Supported

Integrations

Bash Not Supported
GitHub Not Supported
Google Cloud Filestore Supported
Google Cloud Platform Supported
JavaScript Not Supported
Jira Not Supported
Linear Not Supported
Model Context Protocol (MCP) Supported
Python Not Supported
Slack Not Supported
Zapier Not Supported
n8n Not Supported

Integrations

Bash Supported
GitHub Supported
Google Cloud Filestore Not Supported
Google Cloud Platform Not Supported
JavaScript Supported
Jira Supported
Linear Supported
Model Context Protocol (MCP) Not Supported
Python Supported
Slack Supported
Zapier Supported
n8n Supported
Claim Agent Substrate and update features and information
Claim Agent Substrate and update features and information
Claim InstaVM and update features and information
Claim InstaVM and update features and information