content-scrubber（内容洗涤器）

Content Scrubber

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

What It Catches

• 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

1. Add to your openclaw.json plugins config:

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

1. 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]