LangChain Middleware
INVOKE THIS SKILL when you need human-in-the-loop approval, custom middleware, or structured output. Covers HumanInTheLoopMiddleware for human approval of dangerous tool calls, creating custom middleware with hooks, Command resume patterns, and structured output with Pydantic/Zod.
Overview
LangChain Middleware is a SKILL.md-based agent skill sourced from langchain-ai/langchain-skills. It is categorized under devops and is listed for Claude. The source description focuses on: INVOKE THIS SKILL when you need human-in-the-loop approval, custom middleware, or structured output. Covers HumanInTheLoopMiddleware for human approval of dangerous tool calls, creating custom middleware with hooks, Command resume patterns, and structured o... AIToolly summarizes this page as a directory entry rather than copying the full third-party skill content, so users can evaluate the source, compatibility, and practical fit before installing it.
Use Cases
Install Notes
# Review source first
open https://github.com/langchain-ai/langchain-skills/blob/main/config/skills/langchain-middleware/SKILL.mdCopy or clone the skill folder into your agent skills directory after reviewing its instructions and scripts.
Security Notes
Review the source SKILL.md, referenced scripts, permissions, and external services before installing LangChain Middleware. Treat third-party skills like code dependencies, especially when they can read files, call APIs, or run commands.
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