tools

Installation
Summary

Framework for registering LLM tools with custom UI rendering in assistant-ui.

  • Supports both backend tools (via AI SDK) and frontend-only tools, each with optional custom UI rendering through makeAssistantToolUI
  • Includes human-in-the-loop patterns with requires-action status for confirmation workflows and interactive tool responses
  • Tool UI receives execution status, arguments, results, and a submitResult callback for interactive tools
  • Common setup patterns provided for weather APIs, clipboard operations, and file deletion confirmations with validation checks
SKILL.md

assistant-ui Tools

Always consult assistant-ui.com/llms.txt for latest API.

Tools let LLMs trigger actions with custom UI rendering.

References

Tool Types

Related skills
Installs
1.5K
GitHub Stars
15
First Seen
Jan 21, 2026