Lesson 1564 of 1596
AI Agentic Tool-Use Failure Modes: When Function Calls Go Sideways
Understand the common ways AI agents misuse tools and how to design guardrails.
Creators · Agentic AI · ~7 min read
The premise
AI agents frequently misuse tools by passing malformed arguments, calling the wrong function, or looping infinitely on errors — observable failure modes you can mitigate.
What AI does well here
- Generating syntactically valid function calls when schemas are clear
- Choosing tools that match keywords in user requests
- Filling required parameters from explicit user input
- Returning tool results into a coherent narrative response
What AI cannot do
- Recognize when a tool's output is semantically wrong despite being syntactically valid
- Stop retrying when the same error keeps recurring
Key terms in this lesson
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