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langchain-plugin

v1.5.9

LangChain JS/TS development - agents, chains, LangGraph workflows, and Deep Agents patterns

Claude Code4 Skills

By Lauri GatesLicense: MIT58 GitHub starsUpdated last week

Directory evidence

Runtimes
Claude Code
Parsed components
4 skill or MCP entries
Source updated
Sep 15, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install langchain-plugin for Claude Code

Installs for the current user
claude plugin marketplace add IchenDEV/agent-plugin-mkt
claude plugin marketplace update agent-plugin-marketplace
claude plugin install langchain-plugin@agent-plugin-marketplace

Paste and run these commands in a terminal with Claude Code. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/laurigates/claude-plugins

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is langchain-plugin/.

Plugin files

langchain-plugin/
├── .claude-plugin/plugin.json
├── skills/deep-agents/SKILL.md
├── skills/langchain-development/SKILL.md
├── skills/langchain-init/SKILL.md
└── skills/langgraph-agents/SKILL.md

Included Skills4

deep-agentsskills/deep-agents/SKILL.md

Build hierarchical AI agents with the deepagents npm package. Use when creating orchestrators that plan multi-step tasks, delegate to child agents, or maintain persistent memory.

langchain-developmentskills/langchain-development/SKILL.md

LangChain JS/TS framework for building LLM-powered apps. Use when working with chat models, prompt templates, LCEL chains, tool binding, or RAG pipelines.

langchain-initskills/langchain-init/SKILL.md

Initialize a new LangChain TypeScript project. Use when starting an LLM-powered app, scaffolding an AI agent project, or setting up LangChain from scratch.

langgraph-agentsskills/langgraph-agents/SKILL.md

LangGraph stateful AI agents with graph-based workflows. Use when creating state-machine agents with checkpoints, human-in-the-loop, streaming execution, or subgraph composition.

Plugin manifests1

langchain-plugin/.claude-plugin/plugin.json
{
  "$schema": "https://json.schemastore.org/claude-code-plugin-manifest.json",
  "name": "langchain-plugin",
  "version": "1.5.9",
  "description": "LangChain JS/TS development - agents, chains, LangGraph workflows, and Deep Agents patterns",
  "author": {
    "name": "Lauri Gates"
  },
  "repository": "https://github.com/laurigates/claude-plugins",
  "license": "MIT",
  "keywords": [
    "langchain",
    "langgraph",
    "deep-agents",
    "ai-agents",
    "llm",
    "typescript",
    "javascript",
    "rag",
    "chains"
  ]
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[langchain-plugin on Agent Plugins Marketplace](https://pluginsmp.com/plugins/langchain-plugin)