Content Scrubber

An OpenClaw extension plugin that intercepts outgoing messages and redacts private infrastructure details before delivery.

What It Catches

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• RFC 1918 IPv4 addresses: 10.x.x.x, 172.16-31.x.x, 192.168.x.x
• Loopback addresses: 127.x.x.x
• localhost with ports: localhost:8080, localhost:3000, etc.
• SSH/SCP targets: user@10.0.0.1:/path
• Custom hostnames: configurable hostname patterns

How It Works

The plugin registers as a message interceptor. Before any message leaves OpenClaw (Discord, Telegram, Signal, etc.), it runs through regex-based scrubbing rules that replace private details with safe placeholders like [redacted-ip], [redacted-service], [redacted-target].

Rules are deterministic (regex, not LLM), so they're fast, auditable, and never miss edge cases that an LLM scrubber would.

Installation

1. Copy the plugin files to your OpenClaw extensions directory:

   ~/.openclaw/extensions/content-scrubber/
   ├── index.ts
   ├── openclaw.plugin.json
   └── package.json

2. Add to your openclaw.json plugins config:

   {
    "plugins": {
      "entries": {
        "content-scrubber": {
          "enabled": true,
          "config": {
            "dryRun": false,
            "allowedRecipients": []
          }
        }
      }
    }
   }

3. Restart OpenClaw.

Configuration

Example

Before scrubbing:

SSH into admin@10.0.0.50 and check the service on localhost:8096

After scrubbing:

SSH into [redacted-target] and check the service on [redacted-service]

這個外掛質量不錯，能有效過濾訊息中的內部 IP、埠等敏感資訊，防止意外洩露。它執行速度快、配置簡單，日誌清晰好排查。主要不足是規則是固定的，無法自定義新增新的過濾模式，靈活性受限。總體而言，它解決了實際問題，適合有隱私保護需求的場景使用。