# Tools

Extend your agent's capabilities with powerful function calling tools.

## Overview

Tools enable agents to perform actions beyond text generation:

* Search the web
* Execute code
* Access external APIs
* Interact with your application
* Process data and files

## Getting Started

* [What are Tools?](https://github.com/Glitch9Inc/Gitbook.AIDevKit/blob/main/4_agent/tools/what-are-tools.md) - Understanding agent tools
* [Built-in Tools](https://github.com/Glitch9Inc/Gitbook.AIDevKit/blob/main/4_agent/tools/built-in-tools.md) - Pre-configured tools
* [Creating Custom Tools](https://github.com/Glitch9Inc/Gitbook.AIDevKit/blob/main/4_agent/tools/creating-custom-tools.md) - Build your own tools
* [Tool Examples](https://github.com/Glitch9Inc/Gitbook.AIDevKit/blob/main/4_agent/tools/tool-examples.md) - Real-world implementations

## Tool Types

### Built-in Tools

AI Dev Kit provides ready-to-use tools:

* Web search
* Image generation
* Code execution
* File operations
* Calculator

### Custom Tools

Create tools specific to your needs:

* Game mechanics
* Database queries
* API integrations
* Unity operations

### MCP Tools

Model Context Protocol tools for advanced integrations.

## How Tools Work

```
User: "Search for Unity tutorials"
  ↓
Agent analyzes request
  ↓
Agent calls search tool
  ↓
Tool returns results
  ↓
Agent synthesizes response
```

## Quick Example

```csharp
using Glitch9.AIDevKit.Agents;
using Glitch9.AIDevKit.Tools;

// Create agent with tools
var agent = new Agent(config, settings);

// Register a tool
var searchTool = new WebSearchTool();
agent.RegisterTool(searchTool);

// Agent automatically uses the tool when needed
await agent.SendAsync("What's the weather like?");
```

## Next Steps

Start building with tools:

1. Learn [What are Tools?](https://github.com/Glitch9Inc/Gitbook.AIDevKit/blob/main/4_agent/tools/what-are-tools.md)
2. Explore [Built-in Tools](https://github.com/Glitch9Inc/Gitbook.AIDevKit/blob/main/4_agent/tools/built-in-tools.md)
3. Create your own with [Creating Custom Tools](https://github.com/Glitch9Inc/Gitbook.AIDevKit/blob/main/4_agent/tools/creating-custom-tools.md)
4. See examples in [Tool Examples](https://github.com/Glitch9Inc/Gitbook.AIDevKit/blob/main/4_agent/tools/tool-examples.md)