Function Tools

Convert TypeScript/JavaScript functions into AI-accessible tools with automatic schema generation and type safety. This is the most straightforward way to create custom tools.

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Simple Functions

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Basic Function Tool

Create a tool from a simple function:

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String Processing Tool

Create tools for text processing:

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Async Operations

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HTTP Request Tool

Create tools that make HTTP requests:

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Complex Parameters

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Validation and Transformation

Create tools with complex validation:

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Error Handling

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Comprehensive Error Handling

Implement robust error handling patterns:

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Input Sanitization

Sanitize and validate inputs:

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Integration Patterns

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Tool Composition

Combine multiple function tools:

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With Agents

Use function tools with AG-Kit agents:

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Best Practices

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Performance Optimization

Optimize function tools for performance:

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Caching

Implement caching for expensive operations:

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Next Steps