ms-devui

Name: ms-devui
Availability: InStock
Author: pagerguild

Launch a local DevUI server to inspect and debug Microsoft Agent Framework agents interactively.

1|Updated Jan 15, 2026

Search Tags:#debugging #request-response #local-testing #agent-framework #devui #tool-visualization #state-inspector

Ready to run

npx skills add https://github.com/pagerguild/guilde-lite --skill ms-devui

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: ms-devui
Source: https://github.com/pagerguild/guilde-lite/tree/main/marketplace/plugins/microsoft-agents/skills/ms-devui
Command: npx skills add https://github.com/pagerguild/guilde-lite --skill ms-devui

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

DevUI provides a development interface for testing Microsoft Agent Framework agents locally, enabling interactive testing without building a full UI.

Core Features & Use Cases

Interactive chat interface for testing agent responses
State Inspector for real-time debugging and context visibility
Tool Testing Panel to validate tools and tool calls
Request/Response Viewer for end-to-end scenario analysis
Configurable server and deployment options for local development

Quick Start

Launch the DevUI server for your agent and open http://localhost:8080 to start interactively testing and debugging.

Frequently Asked Questions about ms-devui

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I test Microsoft Agent Framework agents locally without building a full UI?▼

You can test Microsoft Agent Framework agents locally by launching the DevUI server, which provides a browser-based interactive chat interface for testing agent responses without building a custom UI.

What is the best way to debug agent state and tool calls during local development?▼

Debugging agent state and tool calls is handled by the DevUI State Inspector and Tool Testing Panel, which provide real-time context visibility and validation for tool calls in a browser-based interface during local development.

Can I view request and response payloads when testing agent frameworks?▼

Yes, you can view request and response payloads using the DevUI Request/Response Viewer, enabling end-to-end scenario analysis for Microsoft Agent Framework agents directly within your local development environment.

How do I configure the local port for an agent testing interface?▼

You can configure the local port for the agent testing interface through DevUI's configurable server and deployment options, with the default local testing interface typically accessible at http://localhost:8080.

Does DevUI work for all phases of agent development or just interactive chat testing?▼

DevUI works across all development phases, applicable from interactive chat testing to advanced tool visualization and state inspection, satisfying requirements for a comprehensive front-facing dev tool.

What are the limitations of using a browser-based interface for agent debugging?▼

The browser-based interface is designed specifically for local testing and debugging of agents, meaning it serves as a development tool rather than a production deployment environment for your Microsoft Agent Framework applications.