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// I want to solve · Developers / Enterprise IT

🛡️ Let agents run safely

Give agents an isolated place to run, limit which files and networks they can touch, be able to undo mistakes, and defend against prompt injection and leaked secrets.

5 steps3 alternatives2 stacks · 6 problemschecked 2026-10-22

How to do it

  1. 01Give agents least privilege: start read-only and open write and network access as needed
  2. 02Run code in a sandbox (E2B, microsandbox, Docker + gVisor)
  3. 03Commit every step with git so mistakes can be rolled back
  4. 04Keep secrets out of prompts and repos, inject them via a secrets manager, scan with gitleaks before commits
  5. 05Assume prompt injection in external pages, email and documents; require human confirmation for sensitive actions

What it costs

Free start

gitleaks, gVisor, Docker are free

Pay as you go

Cloud sandboxes bill by runtime; see their sites

Team / enterprise

Enterprise secrets and audit platforms are extra

Prices change; the vendor’s official page wins. Subscriptions compared · API prices

Alternatives: which to pick

OptionChoose it when
E2BCloud sandbox, quick to integrate
DockerLocal isolation, most common
gitleaksScan for leaked secrets

✓ Good fit

  • Agents run commands, edit files or access the network

✗ Not a good fit

  • Chat-only use

Ready-made stacks

All stacks
Safe agent execution environmentAdvanced Run agent-generated code in isolation, keep secrets out of the context window, and scan for leaks before committing. 5 tools Security & red-team agents Authorized vuln discovery, skill audits and agent defenses. 4 tools

Software that helps

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🧱 Sandboxes & isolation🔐 Identity, secrets & agent security

firecracker Sandboxes & isolationv1.17.0 ★ 37k Secure and fast microVMs for serverless computing. Open source API gvisor Sandboxes & isolationrelease-20261005.0 ★ 20k Application Kernel for Containers Open source CLI pyodide Sandboxes & isolation0.27.8 ★ 15k Pyodide is a Python distribution for the browser and Node.js based on WebAssembly Open source SDK E2B Sandboxes & isolation%40e2b%2Fpython-sdk%402.58.0 ★ 14k Open-source, secure environment with real-world tools for enterprise-grade agents. Open source SDKAPI kata-containers Sandboxes & isolation4.2.0 ★ 8.9k Kata Containers is an open source project and community working to build a standard implementation of lightweight Virtual Machines (VMs) that feel and perform like containers, but provide the workload isolation and security advantages of VMs. https://katacontainers.io/ Open source CLI microsandbox Sandboxes & isolationv0.7.8 ★ 8.8k 🧱 easy, fast, programmable and local-first microVM runtime and library Open source SDKAPI sandbox Sandboxes & isolationv1.11.0 ★ 6.2k All-in-One Sandbox for AI Agents that combines Browser, Shell, File, MCP and VSCode Server in a single Docker container. Open source APIMCP judge0 Sandboxes & isolationv1.13.1 ★ 4.5k Robust, fast, scalable, and sandboxed open-source online code execution system for humans and AI. Open source API agent-sandbox Sandboxes & isolation ★ 4.3k agent-sandbox enables easy management of isolated, stateful, singleton workloads, ideal for use cases like AI agent runtimes and reinforcement learning (RL). Open source code-interpreter Sandboxes & isolation%40e2b%2Fcode-interpreter-template%400.4.7 ★ 2.4k Python & JS/TS SDK for running AI-generated code/code interpreting in your AI app Open source SDK llm-sandbox Sandboxes & isolation0.3.45 ★ 1.1k Lightweight and portable LLM sandbox runtime (code interpreter) Python library. Open source SDKMCP SandboxFusion Sandboxes & isolation ★ 1.1k Open source API modal-client Sandboxes & isolationpy%2Fv1.6.2 ★ 527 SDK libraries for Modal Open source SDK @anthropic-ai/sandbox-runtime Sandboxes & isolation Open spec Vercel Sandbox Sandboxes & isolation Closed / commercial Cloudflare Sandbox / Containers Sandboxes & isolation Closed / commercial bubblewrap Sandboxes & isolation Open spec socat Sandboxes & isolation Open spec Landlock Sandboxes & isolation Open spec Squid Sandboxes & isolation Open spec iptables / ipset (netfilter) Sandboxes & isolation Open spec Docker Sandboxes Sandboxes & isolation Closed / commercial dify-sandbox Sandboxes & isolation Open spec kubernetes Sandboxes & isolationv1.34.12 ★ 128k Production-Grade Container Scheduling and Management Open source APICLI

62 more by category →

Problems & solutions

All problems

Needs in this scenario

  • DEV-06Destructive agent actions, permissions and sandboxing

    Developers · People search for: ai agent sandbox; prevent agent rm -rf; e2b vs daytona

  • AGT-07Secret exposure, revocation and checkpoints/undo

    Agent products & builders · People search for: prevent agent reading secrets; agent checkpoint undo

  • DEV-09Security: prompt injection, leaked keys, supply-chain poisoning

    Developers · People search for: mcp tool poisoning; detect leaked api keys; prompt injection defense

  • AGT-09Comparable tests of sandboxes and browser automation

    Agent products & builders · People search for: e2b vs modal vs daytona; browser automation for agents

  • ENT-06Agent identity, secrets and permission management

    Enterprise IT · People search for: agent identity management; entra agent id; okta ai agents

Learn

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Data updated: Solutions & stack guides(UTC+8)