LangGraph (Python)
PythonAgent Frameworks
The most feature-complete CopilotKit integration. LangGraph provides a flexible graph-based framework for building agents with Python. Supports the full range of CopilotKit features including generative UI, shared state, human-in-the-loop, sub-agents, and streaming.
Supported Features
Agentic Chat ✓Human in the Loop ✓Tool Rendering ✓Tool-Based Generative UI ✓Agentic Generative UI ✓Shared State (Reading) ✓Shared State (Writing) ✓State Streaming ✓Sub-Agents ✓
Live Demos
Agentic Chat
Natural conversation with frontend tool execution
chat-ui
Human in the Loop
User approves agent actions before execution
interactivity
Tool Rendering
Backend agent tools rendered as UI components
agent-capabilities
Tool-Based Generative UI
Agent uses tools to trigger UI generation
generative-ui
Agentic Generative UI
Long-running agent tasks with generated UI
generative-ui
Shared State (Reading)
Reading agent state from UI
agent-state
Shared State (Writing)
Writing to agent state from UI
agent-state
State Streaming
Per-token state delta streaming from agent to UI
agent-state
Sub-Agents
Multiple agents with visible task delegation
multi-agent