Official Verified

web-monitor

Monitor web pages for content changes and get alerts. Track URLs, detect updates, view diffs. Use when asked to watch a website, track changes on a page, monitor for new posts/content, set up page change alerts, or check if a site has been updated. Supports CSS selectors for targeted monitoring.

skill-install — Terminal

Install via CLI (Recommended)

clawhub install openclaw/skills/skills/rogue-agent1/web-monitor

Download Source Code (.zip)

Web Monitor

Track web pages for changes. Stores snapshots, computes diffs, supports CSS selectors.

Quick Start

# Add a URL to watch
uv run --with beautifulsoup4 python scripts/monitor.py add "https://example.com" --name "Example"

# Add with CSS selector (monitor specific section)
uv run --with beautifulsoup4 python scripts/monitor.py add "https://example.com/pricing" -n "Pricing" -s ".pricing-table"

# Check all watched URLs for changes
uv run --with beautifulsoup4 python scripts/monitor.py check

# Check one specific URL
uv run --with beautifulsoup4 python scripts/monitor.py check "Example"

# List watched URLs
uv run --with beautifulsoup4 python scripts/monitor.py list

# View last diff
uv run --with beautifulsoup4 python scripts/monitor.py diff "Example"

# View current snapshot
uv run --with beautifulsoup4 python scripts/monitor.py snapshot "Example" --lines 50

# Remove
uv run --with beautifulsoup4 python scripts/monitor.py remove "Example"

Commands

Command	Args	Description
`add`	`<url> [-n name] [-s selector]`	Add URL to watch, take initial snapshot
`remove`	`<url-or-name>`	Stop watching a URL
`list`	`[-f json]`	List all watched URLs with stats
`check`	`[url-or-name] [-f json]`	Check for changes (all or one)
`diff`	`<url-or-name>`	Show last recorded diff
`snapshot`	`<url-or-name> [-l lines]`	Show current snapshot

Output Symbols

🔔 CHANGED — page content changed (shows diff preview)
✅ No changes
📸 Initial snapshot taken
❌ Error fetching

Data

Stored in ~/.web-monitor/ (override with WEB_MONITOR_DIR env var):

watches.json — watch list config
snapshots/ — stored page content + diffs

Tips

Use --selector to monitor specific elements (prices, article lists, etc.)
Use --format json for programmatic checking (heartbeat integration)
CSS selectors require beautifulsoup4 (included via --with flag)
Text is normalized to reduce noise from timestamps, whitespace, ads

Read Full Documentation on GitHub

Metadata

Author@rogue-agent1

Stars1133

Updated2026-02-18

View Author Profile

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Add to Configuration

Paste this into your clawhub.json to enable this plugin.

{
  "plugins": {
    "official-rogue-agent1-web-monitor": {
      "enabled": true,
      "auto_update": true
    }
  }
}

Safety NoteClawKit audits metadata but not runtime behavior. Use with caution.

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