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opencode-bash-guard-plugin

v1.0.5

Published

OpenCode plugin that guards bash commands and redirects to specialized tools

Readme

OpenCode Bash Guard 插件

一个 OpenCode 插件,用于拦截 bash 命令并将 AI 智能体重定向到专用工具。当智能体尝试通过 bash 工具运行 grepcatsed 等命令时,此插件会阻止调用并建议使用合适的专用工具——提高准确性和效率。

功能

  • 命令拦截 — 阻止有更好专用工具替代方案的 bash 命令。
  • 智能重定向 — 明确告诉智能体应该使用哪个工具。
  • 绕过机制 — 在命令末尾添加 # confirm 可强制通过 bash 执行。

重定向规则

| 命令 | 重定向到 | 原因 | | ------ | ----------------- | ------------------------ | | grep | grep | 专用内容搜索工具 | | rg | grep | 专用内容搜索工具 | | cat | read or grep | 专用文件读取/搜索工具 | | sed | edit | 专用文件编辑工具 | | find | grep or glob | 文件搜索工具 | | cd | workdir 参数 | 使用 bash 的 workdir 参数代替 |

安装

OpenCode 配置文件 中添加插件:

{
  "$schema": "https://opencode.ai/config.json",
  "plugin": ["opencode-bash-guard-plugin"]
}

OpenCode 会在下次运行时自动安装插件。

使用

插件自动生效,无需配置。当 AI 智能体尝试执行被拦截的命令时,会收到如下错误提示:

Command starts with 'cat'. You have dedicated tools available. Use the `read` or `grep` tool instead of running shell commands.

Tip: If you really want to use this tool, add a "# confirm" comment at the end of the command and run it again.

绕过守卫

要强制通过 bash 执行命令,在末尾添加 # confirm

cat /etc/hosts  # confirm

工作原理

插件使用 OpenCode 的 tool.execute.before 钩子,在 bash 工具执行之前触发。它检查命令内容,如果匹配重定向规则,则抛出带有引导信息的错误——导致工具调用失败,智能体会转而尝试推荐的工具。

许可证

MIT