Developer Guide

Build TYPO3 extensions on top of AI Foundation. Use the public contracts for providers, prompts, features, MCP tools, and access catalogs.

Prerequisites

• AI Foundation is installed and configured — Installation

• At least one AI provider is connected when your feature needs AI requests — AI Providers

• You understand TYPO3 extension development, Composer, and Symfony dependency injection

Reference extension

• nitsan-technologies/ns_t3af_extended

• Architecture
• Extension Integration
• Custom AI Providers
• Custom Prompt Catalogs
• Custom Feature Cards
• Feature Provider Overrides
• Custom MCP Tools
• Custom Access Catalogs