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Introduction Quickstart Coding Agents

Concepts

Architecture Generative UI OSS vs Enterprise

Agentic Protocols

Build Chat UIs

Multimodal Attachments Voice Reasoning

Build Generative UI

Components as Tools Tool Call Rendering State Rendering

Add Agent Powers

Frontend Tools Shared State

Human-in-the-Loop

Sub-Agents Agent Config Programmatic Control

Runtime

Copilot Runtime Use any model router Connect AG-UI agents Deploy to any runtime Authentication

Observe & Operate

Inspector VS Code Extension

Enterprise

How the Enterprise Intelligence Platform Works How Threads & Persistence Work Observability Self-Hosting Intelligence Threads

Deploy

Other

Anonymous Telemetry

Docs Build Generative UITool Call Rendering

Tool Call Rendering

Render your agent's tool calls with custom UI components.

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On this page

What is this?When should I use this?Default tool rendering (zero-config)Custom catch-all Per-tool renderers The backend tool definition

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