Hopx
UnclaimedRun untrusted code safely in millisecond-startup sandboxes
What is Hopx?
Hopx provides secure, isolated sandboxes for running untrusted code and AI agents safely. Built on Firecracker microVMs with ~100ms startup times, it enables execution of Python, JavaScript, Bash, and Go in hardware-isolated environments. Ideal for AI platforms, data processing teams, DevOps engineers, and researchers who need to run user-submitted scripts, validate AI-generated code, or execute long-running jobs without risking host infrastructure.
Key Features of Hopx
- Instant sandboxes (~100ms startup)
- Multi-language execution (Python, JavaScript, Bash, Go)
- Firecracker microVM isolation
- Streaming output for real-time feedback
- Filesystem operations (read, write, upload, download)
- Shell command execution
- Background execution for long-running processes
- Desktop automation with VNC and screenshots
- Public URLs for port exposure
- System metrics monitoring (CPU, memory, disk)
- WebSocket interactive terminal
- MCP integration for AI agents
- Pre-built and custom templates
- Process management
- Unlimited runtime duration
Who Should Use Hopx?
Run AI agents that write and execute code
Execute user-submitted scripts safely
Validate AI-generated code before deployment
Run long-running data processing jobs (ETL pipelines)
CI/CD testing in isolated environments
Background worker and scheduler execution
Desktop automation in the cloud
Host MCP servers
Code review automation
Webhook event processing
ML experiment execution with reproducibility
Load testing and benchmarking
Hopx: Pros & Cons
✓Pros
- ~100ms cold start times from prebuilt snapshots
- Hardware-level security with Firecracker microVMs
- No execution time limits - run jobs for hours, days, or weeks
- Full state persistence for continuous execution
- Zero host exposure and cross-contamination
- Native MCP integration for AI agents
- Production-ready with proven scale (10,000+ scripts/day examples)
Tool Details
- Company
- Bunnyshell
- Pricing
- Free
- Category
- Ai Agents
- Added
- Jun 2026
- Last Updated
- Jun 2026
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