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langchain-ai/langchain-skills

Official
installs
215K
skills
15
View on GitHub

Install

$ npx -y skills add langchain-ai/langchain-skills --agent claude-code

Installs into .claude/skills of the current project.

Skills

langchain-ai avatardeep-agents-memoryINVOKE THIS SKILL when your Deep Agent needs memory, persistence, or filesystem access. Covers StateBackend (ephemeral), StoreBackend (persistent), FilesystemMi19.1Kinstalls
langchain-ai avatarlanggraph-fundamentalsINVOKE THIS SKILL when writing ANY LangGraph code. Covers StateGraph, state schemas, nodes, edges, Command, Send, invoke, streaming, and error handling.18.1Kinstalls
langchain-ai avatarlanggraph-persistenceINVOKE THIS SKILL when your LangGraph needs to persist state, remember conversations, travel through history, or configure subgraph checkpointer scoping. Covers18.1Kinstalls
langchain-ai avatarlangchain-ragINVOKE THIS SKILL when building ANY retrieval-augmented generation (RAG) system. Covers document loaders, RecursiveCharacterTextSplitter, embeddings (OpenAI), a17.6Kinstalls
langchain-ai avatarlangchain-fundamentalsCreate LangChain agents with create_agent, define tools, and use middleware for human-in-the-loop and error handling.17.5Kinstalls
langchain-ai avatarlanggraph-human-in-the-loopINVOKE THIS SKILL when implementing human-in-the-loop patterns, pausing for approval, or handling errors in LangGraph. Covers interrupt(), Command(resume=...), 17.3Kinstalls
langchain-ai avatarlangchain-middlewareINVOKE THIS SKILL when you need human-in-the-loop approval, custom middleware, or structured output. Covers HumanInTheLoopMiddleware for human approval of dange16.3Kinstalls
langchain-ai avatardeep-agents-orchestrationINVOKE THIS SKILL when using subagents, task planning, or human approval in Deep Agents. Covers SubAgentMiddleware, TodoList for planning, and HITL interrupts.16.1Kinstalls
langchain-ai avatarlangchain-dependenciesINVOKE THIS SKILL when setting up a new project or when asked about package versions, installation, or dependency management for LangChain, LangGraph, LangSmith16.1Kinstalls
langchain-ai avatardeep-agents-coreINVOKE THIS SKILL when building ANY Deep Agents application. Covers create_deep_agent(), harness architecture, SKILL.md format, and configuration options.16Kinstalls
langchain-ai avatarmanaged-deep-agentsINVOKE THIS SKILL when building, testing, or deploying Managed Deep Agents in LangSmith with the mda CLI. Covers the code-first, file-based project layout; defi9.3Kinstalls
langchain-ai avatarlanggraph-cliINVOKE THIS SKILL when using the langgraph CLI to scaffold, develop, build, or deploy LangGraph applications. Covers langgraph new, dev, build, up, deploy, and 9Kinstalls
langchain-ai avatarswarmDispatches many independent items in parallel: create a table, fan out to subagents, aggregate results. One row = one unit of work.8.8Kinstalls
langchain-ai avatarecosystem-primerINVOKE FIRST for any LangChain / LangGraph / Deep Agents agent building project before consulting other skills or writing any agent code. Required starting poin8.1Kinstalls
langchain-ai avatarframework-selectionINVOKE THIS SKILL at the START of any LangChain/LangGraph/Deep Agents project, before writing any agent code. Determines which framework layer is right for the 7.7Kinstalls