LangChain Skills plugin: what it installs and how to add it
Guides coding agents through building agents with LangChain, LangGraph and Deep Agents.
From the Marketplace: langchain-skills marketplace
Install
> /plugin marketplace add langchain-ai/langchain-skills> /plugin install langchain-skills@langchain-skillsRun both lines inside Claude Code: the first adds the marketplace, the second installs the plugin.
About this plugin
The package provides agent skills for choosing between LangChain, LangGraph and Deep Agents, setting up dependencies and working through framework-specific tasks. Install it for a coding agent with npx skills add langchain-ai/langchain-skills --skill '*' --yes or use the Claude Code plugin commands.
Some tasks need model provider credentials, such as OPENAI_API_KEY or ANTHROPIC_API_KEY. The eval-engineering skill also requires Harbor, run locally with Docker or in a supported cloud environment.
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Skills, not plugins
Prefer a single skill for development work? 593 skills in the same category, each installed on its own.