Muzzle/Compare
Muzzle compared with other tools
Containers, firewalls, secret scanners and the controls built into Claude Code and Codex each cover part of the problem. These pages show what each covers, what it leaves open, and where Muzzle fits.
Muzzle vs dev containers and sandboxed VMs
Containers and microVMs limit where an agent can reach. Muzzle checks what an agent on your Mac sends and reads.
CompareLittle Snitch and LuLu vs Muzzle
Per-app firewalls decide which apps may connect. Muzzle blocks keys and addresses inside an agent's requests.
Comparegitleaks and TruffleHog vs Muzzle
Scanners find secrets in repositories and commits. Muzzle stops them leaving while the agent works.
CompareMuzzle vs Claude Code and Codex built-in controls
What permissions and sandboxes cover, and the content checks Muzzle adds.
CompareMuzzle Free costs $0 and covers Claude Code hooks, git commit checks, project scans and the settings lock. Pro is $19 a month or $96 a year and adds Codex checks, injection alerts, and checks on the requests your agents' scripts make and the instruction files they load. Apple silicon, macOS 12 or later.
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