Module 3: Tool Usage
Evolve Agent from “chatbot” to “doer”. Learn Function Tool writing, performance optimization, MCP integration, OpenAPI tool generation, and security authentication.
Articles
| # | Article | Case | Status |
|---|---|---|---|
| 1 | Function Tool Basics: Letting Agent Call Custom Logic | adk-go-tools-function-basics | 🔄 In Progress |
| 2 | Function Tool Performance Optimization | adk-go-tools-function-performance | 🔄 In Progress |
| 3 | MCP Server Integration: External Services as Agent Tools | adk-go-tools-mcp-client | 🔄 In Progress |
| 4 | OpenAPI Tool: Dynamic Tool Generation from REST APIs | adk-go-tools-openapi | 🔄 In Progress |
| 5 | Tool Confirmation & Security Authentication | adk-go-tools-confirmation | 🔄 In Progress |
Prerequisites
- Completed Module 2: Quick Start
- Understand Agent’s three elements and basic execution
Learning Objectives
After completing this module, you will:
- Master Function Tool writing conventions and best practices
- Understand timeout, concurrency control and performance optimization
- Connect external services via MCP protocol
- Auto-generate Tools from OpenAPI specs
- Understand security authentication and user confirmation mechanisms
Learning Path
Complete these five articles in order before proceeding to the “Memory & Context” module.