by GreyhavenHQ · Agent Tool · ★ 196
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Greywall — Sandbox for AI Coding Agents Greywall is a container-free sandbox for AI coding agents on Linux and macOS, with two complementary modes: — deny-by-default sandbox. Restricts filesystem access, network connections, and system calls to only what you explicitly allow, so tools like Claude Code, Cursor, Codex, and other AI agents can't reach your SSH keys, secrets, or anything outside the working directory. — allow-by-default observability layer (equivalent to ). Skips profile loading, registers a allow rule with greyproxy so every network request is accepted but logged on the dashboard, and runs with a permissive filesystem. Use it to see what a tool actually does before deciding what to lock down. Both modes route every network connection through greyproxy — a transparent proxy with a live allow
| Stars | 196 |
| Forks | 27 |
| Language | Go |
| Category | Agent Tool |
| License | Apache-2.0 |
| Quality Score | 38.55/100 |
| Open Issues | 23 |
| Last Updated | 2026-06-01 |
| Created | 2026-03-04 |
| Platforms | claude-code, go |
| Est. Tokens | ~95k |
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greywall is Container-free, deny-by-default sandbox for AI coding agents. Kernel-enforced filesystem, network, and syscall isolation for Linux and macOS. It is categorized as a Agent Tool with 196 GitHub stars.
greywall is primarily written in Go. It covers topics such as agents, ai-security, claude-code.
You can find installation instructions and usage details in the greywall GitHub repository at github.com/GreyhavenHQ/greywall. The project has 196 stars and 27 forks, indicating an active community.
greywall is released under the Apache-2.0 license, making it free to use and modify according to the license terms.
The top alternatives to greywall on Agent Skills Hub include toolhive-studio, claude-forge, code-on-incus. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.