langgraph-hitl

Human-in-the-loop integration for LangGraph workflows with approval and intervention points

509 stars

Best use case

langgraph-hitl is best used when you need a repeatable AI agent workflow instead of a one-off prompt.

Human-in-the-loop integration for LangGraph workflows with approval and intervention points

Teams using langgraph-hitl should expect a more consistent output, faster repeated execution, less prompt rewriting.

When to use this skill

  • You want a reusable workflow that can be run more than once with consistent structure.

When not to use this skill

  • You only need a quick one-off answer and do not need a reusable workflow.
  • You cannot install or maintain the underlying files, dependencies, or repository context.

Installation

Claude Code / Cursor / Codex

$curl -o ~/.claude/skills/langgraph-hitl/SKILL.md --create-dirs "https://raw.githubusercontent.com/a5c-ai/babysitter/main/library/specializations/ai-agents-conversational/skills/langgraph-hitl/SKILL.md"

Manual Installation

  1. Download SKILL.md from GitHub
  2. Place it in .claude/skills/langgraph-hitl/SKILL.md inside your project
  3. Restart your AI agent — it will auto-discover the skill

How langgraph-hitl Compares

Feature / Agentlanggraph-hitlStandard Approach
Platform SupportNot specifiedLimited / Varies
Context Awareness High Baseline
Installation ComplexityUnknownN/A

Frequently Asked Questions

What does this skill do?

Human-in-the-loop integration for LangGraph workflows with approval and intervention points

Where can I find the source code?

You can find the source code on GitHub using the link provided at the top of the page.

SKILL.md Source

# LangGraph Human-in-the-Loop Skill

## Capabilities

- Implement interrupt points in LangGraph workflows
- Configure human approval gates
- Design intervention interfaces
- Handle workflow resumption after human input
- Implement timeout and escalation logic
- Create notification systems for pending approvals

## Target Processes

- langgraph-workflow-design
- tool-safety-validation

## Implementation Details

### HITL Patterns

1. **Interrupt Before**: Pause before node execution
2. **Interrupt After**: Pause after node for review
3. **Conditional Interrupt**: Context-based pausing
4. **Tool Call Approval**: Review tool invocations

### Configuration Options

- Interrupt node selection
- Approval timeout settings
- Escalation paths
- Notification channels
- State modification permissions

### Best Practices

- Clear approval prompts
- Reasonable timeout defaults
- Proper escalation chains
- Audit logging for approvals

### Dependencies

- langgraph
- langgraph-checkpoint (for persistence)

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