What is the difference between interrupt_before and the interrupt() function?

interrupt_before is a static configuration that always stops before a node, while the interrupt() function allows for dynamic, conditional pauses within the logic of a node.

Can I implement human-in-the-loop with a REST API?

Yes, this skill includes patterns for creating FastAPI endpoints that receive human decisions and trigger the resumption of the corresponding LangGraph thread.

How do I resume a LangGraph workflow after a pause?

Workflows are resumed by providing the specific thread_id to the compiled graph and using the Command(resume=value) pattern or by updating the state and calling invoke again.

What is a human-in-the-loop pattern in LangGraph?

It is a design pattern where an autonomous workflow pauses its execution to wait for human input, approval, or feedback before proceeding to the next step.

LangGraph Human-in-the-Loop

Name: LangGraph Human-in-the-Loop
Author: yonatangross

byyonatangross

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Ciencia de Datos y ML

Implement robust human-in-the-loop approval workflows, manual review gates, and interactive agent supervision patterns in LangGraph.

This skill provides production-ready patterns for integrating human oversight into LangGraph agentic workflows. It enables developers to implement critical safety measures such as approval gates for high-risk actions, dynamic interrupts based on state conditions, and interactive feedback loops where humans can refine AI outputs before execution. By leveraging modern LangGraph practices like the interrupt() function and Command(resume=) pattern, it ensures complex agent systems remain controllable, predictable, and safe for production deployment while handling state persistence and resumption seamlessly.

Características Principales

01Interactive Feedback Loops: Seamlessly incorporate human corrections and prompts back into the agent's reasoning process.

02Dynamic Interrupts: Pause workflows based on real-time risk assessments or specific state conditions.

03State Resumption: Robust mechanisms to stop, inspect, and resume workflows across process restarts using checkpointers.

04Approval Gates: Standardized patterns for human review before executing sensitive or high-impact operations.

05API Integration: Ready-to-use patterns for connecting human reviews via FastAPI, Slack, or custom web interfaces.

0669 GitHub stars

Casos de Uso

01Interactive data collection where an agent prompts a user for missing information to resolve ambiguity.

02Content generation pipelines where an editor must approve or edit drafts before automated publishing.

03High-risk financial transactions or database operations requiring explicit human verification.

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add yonatangross/orchestkit langgraph-human-in-loop

For use in Claude.ai and ChatGPT

Download Skill