langchain-ai

Langchain Plugins — Development skill for Claude Code

Development community

Cross-tool plugin marketplace for deepagents-code (dcode), Claude Code, and OpenAI Codex — LangChain & LangSmith skills and MCP servers.

How to install Langchain Plugins

This entry records only its repository, not the path inside it, so there is no exact command to give. Open langchain-ai/langchain-plugins and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Langchain Plugins does

Cross-tool plugin marketplace for deepagents-code (dcode), Claude Code, and OpenAI Codex — LangChain & LangSmith skills and MCP servers.

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README

LangChain Plugins

The official marketplace of **LangChain ecosystem plugins** for your coding agent. Add it once, then install skills and MCP servers that help you build with LangChain, LangGraph, and Deep Agents — and observe and evaluate your apps with LangSmith.

Works with **[dcode]**, **Claude Code**, and **OpenAI Codex**.

What's inside

Plugin	What you get	Use it when
`langchain-skills`	Skills for building agents with LangChain, LangGraph, and Deep Agents — models, tools, RAG, streaming, middleware, persistence, HITL, and more	You're writing or debugging LangChain / LangGraph / Deep Agents code
`langsmith-skills`	Skills for tracing, building datasets, and running evaluations with LangSmith	You're debugging a run or setting up evals
`langchain-mcp`	Live LangChain Docs and API Reference MCP servers	You want your agent to look up current docs and API signatures
`langsmith-mcp`	The LangSmith MCP server — query your traces, datasets, prompts, and experiments from your agent	You want your agent to read your LangSmith workspace

Install

1. Add the marketplace

**dcode**

dcode plugin marketplace add langchain-ai/langchain-plugins

**Claude Code**

/plugin marketplace add langchain-ai/langchain-p