
Designing and Building Tool-Using Agents
AGAI 201 · Module 2
Move from basic function calls to practical tool-using agents. This module teaches schema design, tool selection, orchestration patterns, and implementation strategies using standard application architecture.
Lessons in this module
Designing Reliable Tool Schemas
Learn how names, descriptions, parameters, enums, and validation rules shape model behavior and determine whether tool calls are reliable.
Tool Selection and Orchestration
Understand how agents decide which tools to call, how orchestration logic controls multi-step workflows, and when to use sequential, parallel, or planned tool execution.
Implementing a Tool-Using Agent
Build a simple tool-using agent loop in code and understand how frameworks such as LangChain, LlamaIndex, and Semantic Kernel organize similar patterns.
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