langgraph-human-in-the-loop
Pause graph execution for human review, approval, or validation, then resume with their input.
Works with
What it does
Requires three components: a checkpointer (InMemorySaver or PostgresSaver), a thread ID in config, and JSON-serializable interrupt payloads
interrupt(value) pauses and surfaces data; Command(resume=value) resumes and returns that value to the paused node
All code before interrupt() re-executes on resume, so side effects must be idempotent (use upsert, not insert)
Supports approval workfl
Installation Guide
How to use langgraph-human-in-the-loop on Cursor
AI-first code editor with Composer
Prerequisites
Before installing skills in Cursor, ensure your development environment meets these requirements:
- ›Cursor installed and configured on your machine
- ›Node.js 16+ with npm — verify with
node --version - ›Active project directory where you want to add
langgraph-human-in-the-loop
Run the install command
Execute the skills CLI command in your project's root directory to begin installation:
Fetches langgraph-human-in-the-loop from langchain-ai/langchain-skills and configures it for Cursor.
Select Cursor when prompted
The CLI shows a list of agents. Use arrow keys and space to select Cursor:
Verify installation
Confirm successful installation by checking the skill directory location:
Restart Cursor to activate langgraph-human-in-the-loop. Access via /langgraph-human-in-the-loop in your agent's command palette.
Security Notice
We perform automated surface-level scans (Gen AI Scanner, Socket, Snyk) during installation. These checks detect common vulnerabilities but do not guarantee complete security. Always review skill source code and verify the publisher's reputation before production use.
Skills execute code in your environment. Always review source, verify the publisher, and test in isolation before production.
Documentation
langgraph-human-in-the-loop
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