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在 OpenClaw 中安装
/install cron-scheduler
功能描述
Create, list, modify, and remove scheduled cron jobs to automate system tasks using simplified cron syntax and manage output logging.
安全使用建议
Install only if you intentionally want the agent to manage real cron jobs on your machine. Before applying changes, review the exact cron line, back up the current crontab, require explicit approval, avoid broad deletion patterns, use absolute paths, and periodically audit or remove jobs because they can keep running after the conversation ends.
功能分析
Type: OpenClaw Skill
Name: cron-scheduler
Version: 1.0.0
The 'cron-scheduler' skill is designed to manage system cron jobs, which inherently involves executing commands. However, the `SKILL.md` file provides agent commands that directly interpolate user-provided input (e.g., 'SCHEDULE COMMAND', 'PATTERN_TO_REMOVE', 'COMMAND_HERE') into shell commands without apparent sanitization. This creates severe shell injection vulnerabilities, allowing a malicious user to achieve arbitrary command execution (RCE) on the host system if the OpenClaw agent does not properly sanitize or quote the input before execution. While this is a critical vulnerability, there is no evidence of intentional malicious behavior (e.g., data exfiltration, backdoors) by the skill author, thus classifying it as suspicious rather than malicious.
能力评估
Purpose & Capability
The stated purpose is cron job management, and the documented commands match that purpose. The capability is inherently high-impact because cron can run arbitrary commands repeatedly after the session ends.
Instruction Scope
The skill provides direct crontab write, edit, and pattern-based removal commands without requiring explicit confirmation, preview, backup, exact matching, or clear ownership labels for jobs it creates.
Install Mechanism
The artifact is a single markdown skill file with no executable package, install script, remote loader, or hidden runtime component found in the workspace.
Credentials
The examples include scheduled deletion from /tmp, service restarts, database backups, mail alerts, and writes to /var/log. These are plausible cron uses, but they can disrupt a host if applied broadly or automatically.
Persistence & Privilege
The core workflow installs persistent cron entries and can remove existing ones. The artifact does not define expiration, rollback, cleanup, or controls limiting edits to jobs created by this skill.
如何使用
- 确保已安装 OpenClaw（本地或 Docker 部署）
- 在对话框中输入安装命令：
/install cron-scheduler - 安装完成后，直接呼叫该 Skill 的名称或使用
/cron-scheduler触发 - 根据 Skill 的参数说明提供必要输入，即可获得结构化输出
版本历史
v1.0.0
- Initial release of Cron Scheduler skill.
- Manage, create, and monitor system and user cron jobs easily.
- No API key required; works directly with system commands.
- Includes commands to list, add, remove, and monitor cron jobs as well as check logs.
- Features extensive usage examples, common cron patterns, syntax help, and best practices.
元数据
常见问题
Cron Scheduler 是什么？
Create, list, modify, and remove scheduled cron jobs to automate system tasks using simplified cron syntax and manage output logging. 它是一个面向 Claude Code / OpenClaw 的 AI Agent Skill 插件，目前累计下载 6339 次。
如何安装 Cron Scheduler？
在 OpenClaw 或 Claude Code 对话框中运行命令「/install cron-scheduler」即可一键安装，无需额外配置。
Cron Scheduler 是免费的吗？
是的，Cron Scheduler 完全免费（开源免费），可自由下载、安装和使用。
Cron Scheduler 支持哪些平台？
Cron Scheduler 跨平台运行，可在任意部署了 OpenClaw / Claude Code 的环境中使用（cross-platform）。
谁开发了 Cron Scheduler？
由 picaye（@picaye）开发并维护，当前版本 v1.0.0。
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