LangGraph Skill

Use this skill when building stateful, cyclic AI agent workflows with LangGraph.

📚 Documentation Lookup (Context7)

Always verify patterns with latest docs:

mcp_context7_resolve-library-id(libraryName="langgraph", query="StateGraph conditional edges")
mcp_context7_query-docs(libraryId="/langchain-ai/langgraph", query="checkpointer persistence")

Core Concepts

1. State Definition

from typing import Annotated, TypedDict
from langgraph.graph.message import add_messages