Interview Prep
AI Agent Interview Questions
Agent loops, tool calling, MCP, memory and guardrails.
13
Beginner
What is an AI agent?
A system where an LLM decides which actions (tool calls) to take in a loop until a goal is met, observing results after each step.
Key Points:
- Agents trade predictability for flexibility.
14
Intermediate
What is tool or function calling?
The model returns a structured request to call a function you defined (name + JSON arguments). Your code runs it and returns the result for the next step.
Key Points:
- Validate arguments before running a tool.
15
Intermediate
What is MCP?
The Model Context Protocol is an open standard for connecting AI apps to tools and data sources through servers that expose tools, resources and prompts.
Key Points:
- One MCP server can be reused across many AI clients.