Open source alternatives to healthcheck

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healthcheck

Audit/harden OpenClaw hosts: SSH, firewall, updates, exposure, backups

healthcheck is an agent skill from the OpenClaw project, listed on skills.sh. It audits and hardens the machine an OpenClaw agent runs on: SSH, firewall, updates, exposed services, backups, disk encryption and gateway security. It runs read-only checks first and then proposes staged fixes, asks before any change, avoids touching remote access until the access path is confirmed, prefers reversible steps and never prints secrets. Like every skill, it is a SKILL.md file of instructions the agent reads when the task calls for it, so the agent knows which commands to run and what to avoid. It is free and open source in the openclaw/openclaw repository on GitHub.