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Frontendgetkern/kern
kern-sandbox
Your model writes the code. This runs it where it can't touch your machine: a rootless Linux container, no daemon, no VM, no cloud, no account. A kernel boundary, not a microVM: for deliberately hostile code, use one.
Suggested install command
npx skills add getkern/kern/kern-sandboxAlways inspect the linked repository and skill instructions before running commands. Skills are instructions; permissions and execution still matter.
Compatibility
Agent support matrix
3 supported
| Agent | Status |
|---|---|
| Claude Code | Supported |
| OpenCode | Not listed |
| Cursor | Supported |
| MCP | Not listed |
| GitHub Copilot | Not listed |
| Windsurf |