langgraph-human-in-loop

Installation
SKILL.md

LangGraph Human-in-the-Loop

Pause workflows for human intervention and approval.

Basic Interrupt

workflow = StateGraph(State)
workflow.add_node("draft", generate_draft)
workflow.add_node("review", human_review)
workflow.add_node("publish", publish_content)

# Interrupt before review
app = workflow.compile(interrupt_before=["review"])

# Step 1: Generate draft (stops at review)
config = {"configurable": {"thread_id": "doc-123"}}
result = app.invoke({"topic": "AI"}, config=config)
# Workflow pauses here
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13
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First Seen
Jan 22, 2026