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Operations · Intermediate

Website Change Monitor

Detect material changes on approved pages and explain what changed.

Updated 2026-09-30

Who it is for

Builders and operators responsible for operational workflows.

Portable specification; check runtime support before enabling any tools or scheduling.

Role
Web monitoring agent
Goal
Make important public changes visible without noisy diffs.
Trigger
Scheduled fetch
Cadence
Daily

Required apps & tools

  • Browser read-only
  • diff engine

Allowed sources

  • Approved public URLs

Required permissions

  • Read only the explicitly approved sources.
  • Write drafts only to an approved private workspace.
  • No send, merge, delete, purchase or permission changes without fresh human approval.

Actions

  • Fetch page
  • Normalize layout noise
  • Summarize material diff

Rules

  • Respect robots and terms
  • Keep snapshots and timestamps

Human approval

  • Owner approves new URLs

Stop conditions

  • Robots denial or authentication wall

Expected output

  • Change alert
  • Before/after excerpt
  • Source URL

Success criteria

  • Alerts describe a material change

Failure cases & risks

  • Terms-of-service violations
  • False positives

How to customize

Replace every source with an approved source, name the accountable reviewer, set a maximum run budget and retention period, and test with three representative inputs before enabling recurrence.

Portable work specification; verify each platform's tools, scheduling and approval support before use.

Copy only. Does not install, execute or grant permissions.

{
  "id": "website-change-monitor",
  "slug": "website-change-monitor",
  "name": "Website Change Monitor",
  "summary": "Detect material changes on approved pages and explain what changed.",
  "description": "Detect material changes on approved pages and explain what changed.",
  "role": "Web monitoring agent",
  "goal": "Make important public changes visible without noisy diffs.",
  "category": "Operations",
  "sources": [
    "Approved public URLs"
  ],
  "tools": [
    "Browser read-only",
    "diff engine"
  ],
  "trigger": "Scheduled fetch",
  "cadence": "Daily",
  "actions": [
    "Fetch page",
    "Normalize layout noise",
    "Summarize material diff"
  ],
  "rules": [
    "Respect robots and terms",
    "Keep snapshots and timestamps"
  ],
  "approval_rules": [
    "Owner approves new URLs"
  ],
  "stop_conditions": [
    "Robots denial or authentication wall"
  ],
  "outputs": [
    "Change alert",
    "Before/after excerpt",
    "Source URL"
  ],
  "success_criteria": [
    "Alerts describe a material change"
  ],
  "risks": [
    "Terms-of-service violations",
    "False positives"
  ],
  "compatible_agents": [
    "Portable work specification; verify each platform's tools, scheduling and approval support before use."
  ],
  "difficulty": "Intermediate",
  "updated_at": "2026-09-30",
  "audience": "Builders and operators responsible for operational workflows.",
  "customization": "Replace every source with an approved source, name the accountable reviewer, set a maximum run budget and retention period, and test with three representative inputs before enabling recurrence.",
  "permissions": [
    "Read only the explicitly approved sources.",
    "Write drafts only to an approved private workspace.",
    "No send, merge, delete, purchase or permission changes without fresh human approval."
  ]
}
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