# Sandflare > Instant Firecracker sandboxes for AI agents — by Pandastack Sandflare is the AI agent runtime built on AWS Firecracker microVMs. It provides isolated, disposable Linux sandboxes that boot in under 2 seconds, supporting Python, Node.js, Go, and Rust code execution. ## What Sandflare Does - Boots a Firecracker microVM sandbox in < 2 seconds - Snapshot/resume (pause and re-use sandboxes across agent sessions) - Multi-language support: Python, Node.js (Bun/Deno), Go, Rust - HTTPS endpoint per sandbox — expose ports with a stable URL - Pay-as-you-go pricing, $100 free credit, no credit card required - Python SDK and Node.js SDK with simple API ## Use Cases - AI agents that execute user code safely - LangGraph, LangChain, AutoGen, CrewAI code execution tools - Code interpreter features in SaaS products - CI/CD ephemeral environments - Jupyter notebook backends - Online IDE and REPL-as-a-service backends ## Key Pages - [Home](https://www.sandflare.io/) — Product overview - [Features](https://www.sandflare.io/features) — Full feature list - [Pricing](https://www.sandflare.io/pricing) — Pay-as-you-go pricing - [Blog](https://www.sandflare.io/blog) — Tutorials and guides - [Sandflare vs E2B](https://www.sandflare.io/vs/e2b) — Competitor comparison ## Blog Content Sandflare publishes tutorials and guides on AI agent sandboxing, Firecracker microVMs, and production code execution infrastructure. Topics include: - LangGraph agents with sandboxed code execution - Firecracker vs Docker for AI workloads - AI agent architecture deep dives - Python, Node.js, Go sandbox quickstarts - Security isolation, multi-tenant sandboxes - Snapshot/resume patterns for stateful agents See the full blog at https://www.sandflare.io/blog ## Company Sandflare is a product of Pandastack. Website: https://pandastack.io