Koog

Koog

JetBrains
+
+

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About

AG-UI is an open, lightweight, event-based protocol that standardizes how AI agents connect to user-facing applications. Built for simplicity and flexibility, it enables seamless integration between AI agents, real-time user context, and user interfaces. AG-UI is designed for agent-human interaction: during agent executions, backends emit events compatible with standard AG-UI event types, and agent backends can accept simple AG-UI-compatible inputs as arguments. It works with any event transport, including SSE, WebSockets, webhooks, and other streaming systems, while providing a flexible middleware layer that ensures compatibility across diverse environments. AG-UI brings agents into user-facing applications and complements the wider agentic protocol stack: MCP gives agents tools, A2A allows agents to communicate with other agents, and AG-UI connects agents directly to the user interface.

About

Koog is a Kotlin‑based framework for building and running AI agents entirely in idiomatic Kotlin, supporting both single‑run agents that process individual inputs and complex workflow agents with custom strategies and configurations. It features pure Kotlin implementation, seamless Model Control Protocol (MCP) integration for enhanced model management, vector embeddings for semantic search, and a flexible system for creating and extending tools that access external systems and APIs. Ready‑to‑use components address common AI engineering challenges, while intelligent history compression optimizes token usage and preserves context. A powerful streaming API enables real‑time response processing and parallel tool calls. Persistent memory allows agents to retain knowledge across sessions and between agents, and comprehensive tracing facilities provide detailed debugging and monitoring.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

AI product developers building interactive agent-powered applications that need structured streaming, tool calls, shared state, and human-in-the-loop control

Audience

Developers and engineering teams requiring a solution to build, customize, and deploy AI agents with complex workflows and real‑time integrations

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

AG-UI
United States
ag-ui.com

Company Information

JetBrains
Founded: 2000
United States
docs.koog.ai/

Alternatives

Alternatives

TF-Agents

TF-Agents

Tensorflow

Categories

Agentic AI Supported
UX Supported

Categories

Agentic AI Supported
AI Agent Builders Supported

Integrations

Model Context Protocol (MCP) Supported
Agent Development Kit (ADK) Supported
Agno Supported
Apache Groovy Not Supported
CrewAI Supported
Gradle Not Supported
Kotlin Not Supported
LangGraph Supported
LlamaIndex Supported
Mastra AI Supported
Maven Not Supported
OpenUI Supported
PydanticAI Supported

Integrations

Model Context Protocol (MCP) Supported
Agent Development Kit (ADK) Not Supported
Agno Not Supported
Apache Groovy Supported
CrewAI Not Supported
Gradle Supported
Kotlin Supported
LangGraph Not Supported
LlamaIndex Not Supported
Mastra AI Not Supported
Maven Supported
OpenUI Not Supported
PydanticAI Not Supported
Claim AG-UI and update features and information
Claim AG-UI and update features and information
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Claim Koog and update features and information