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Tool Composition Patterns

Error Handling in Tools

Build resilient AI agents through robust error handling and graceful degradation

Why Error Handling Is Critical

In production, everything that can fail, will fail. Networks drop connections. APIs rate-limit requests. Databases timeout. Disk fills up. The question isn't if errors happen—it's how your agent responds when they do.

Great error handling is what separates production-ready agents from demo prototypes. It's not glamorous, but it's the foundation of reliability.

The Cost of Poor Error Handling

💥
Silent Failures
Tasks fail without notification—users get wrong answers
🔄
Cascading Errors
One tool failure crashes entire workflow
😡
Poor UX
Cryptic error messages confuse users
🐛
Debug Nightmares
No logs = impossible to diagnose issues

Interactive: Common Error Types

Explore different error categories agents encounter

API timeouts, connection errors, DNS failures
Common
High Severity
Common Examples:
Request timeout
Connection refused
DNS resolution failed
SSL error
Recovery Strategy:
Retry with exponential backoff

The Error Handling Mindset

1
Assume Failure
Every external call can fail—plan for it
2
Fail Gracefully
Partial results beat complete failure
3
Log Everything
You can't debug what you can't see
4
Communicate Clearly
Error messages should help, not confuse