Human-in-the-loop approval, custom middleware, and structured output patterns for LangChain agents. HumanInTheLoopMiddleware pauses execution before dangerous tool calls, allowing humans to approve, edit arguments, or reject with feedback Per-tool interrupt policies let you configure different approval rules based on risk level; requires a checkpointer and...
- Trust
- Needs review
- Install
- MCP ready
- Top risk
- Medium risk · Important install, trust, or metadata evidence is still thin.