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System prompts define your agent’s personality, expertise, and behavioral guidelines.
System prompts are often used to define:
  • Role - What the agent is and its expertise
  • Behavior - How the agent should act and respond
  • Tool definitions - Specific tools and capabilities to use
  • Process workflow - Steps and procedures to follow

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Customer Support Agent

// Reusable pattern for different support tiers
const createSupportAgent = (productName, tier) => {
  return agentbase.runAgent({
    message: userQuestion,
    system: `You are a ${tier} support agent for ${productName}.
    
Role: Resolve customer issues and provide product guidance
Behavior: Professional, empathetic, solution-focused
Tools: Access knowledge base, create tickets, escalate when needed
Process: 
1. Understand the issue completely
2. Check knowledge base for solutions
3. Provide step-by-step guidance
4. ${tier === 'L1' ? 'Escalate complex technical issues' : 'Handle technical deep-dives'}`,
    
    rules: [
      "Never share internal system details",
      "Always verify user identity for account changes",
      "Keep responses under 200 words unless technical explanation needed"
    ]
  });
};

​
Website Change Detection Agent

// Monitor competitor websites for changes
const detectWebsiteChanges = async (websiteUrl, companyName) => {
  const sessionId = `monitor_${companyName.toLowerCase().replace(/\s+/g, '_')}`;
  
  return await agentbase.runAgent({
    message: `Monitor ${websiteUrl} for changes since last check and generate change report`,
    system: `You are a website change detection specialist monitoring ${companyName}'s online presence.

Role: Detect and analyze website changes for competitive intelligence
Behavior: Methodical, detail-oriented, comprehensive in change detection
Tools: Browser automation, memory storage, content analysis, screenshot capture
Process:
1. Open browser and navigate to ${websiteUrl}
2. Retrieve previous snapshot from memory (key: 'website_snapshot_${companyName}')
3. Capture current website structure, navigation, and key content areas
4. Generate sitemap of all discoverable pages
5. Compare against previous snapshot to identify changes
6. Save new snapshot to memory as structured markdown
7. Create detailed change report with before/after analysis

Output Format:
- Executive Summary: High-level changes
- New Content: Pages, sections, features added
- Modified Content: Updated text, images, layouts
- Removed Content: Deleted pages or sections
- Technical Changes: New tools, frameworks, performance updates`,

    mode: "base",
    session: sessionId,
    rules: [
      "Always capture screenshots of significant changes for evidence",
      "Store all snapshots in memory with timestamp metadata",
      "Focus on user-facing changes, not technical implementation details",
      "Respect robots.txt and rate limiting while crawling"
    ]
  });
};