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@langchain-ai-langchain-skills source repo

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• 22 skills
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• 1 week ago last updated

1. ▌
   Langsmith Online Eval Engineering · langchain-ai-langchain-skills bundle

   Iteratively inspect traces, interview the user, and create LangSmith online evaluators one at a time. Use specifically for creating online evaluators for use within LangSmith -- use "eval-engineering" for Harbor-style online evaluations.
   0 installs
2. ▌
   Langgraph Human In The Loop · langchain-ai-langchain-skills

   INVOKE THIS SKILL when implementing human-in-the-loop patterns, pausing for approval, or handling errors in LangGraph. Covers interrupt(), Command(resume=...), approval/validation workflows, and the 4-tier error handling strategy.
   0 installs
3. ▌
   Langgraph Python Quickstart · langchain-ai-langchain-skills

   Scaffold a minimal local LangGraph agent in Python by following the official quickstart. Use when the user wants to quickly build or try a LangGraph agent locally.
   0 installs
4. ▌
   Deepagents Python Quickstart · langchain-ai-langchain-skills

   Scaffold a minimal local Deep Agent in Python by following the official quickstart, using provider-native web search instead of Tavily. Use when the user wants to quickly build or try a Deep Agent locally.
   0 installs
5. ▌
   Langchain Typescript Quickstart · langchain-ai-langchain-skills

   Scaffold a minimal local LangChain agent in TypeScript by following the official quickstart. Use when the user wants to quickly build or try a LangChain agent locally.
   0 installs
6. ▌
   Langgraph Typescript Quickstart · langchain-ai-langchain-skills

   Scaffold a minimal local LangGraph agent in TypeScript by following the official quickstart. Use when the user wants to quickly build or try a LangGraph agent locally.
   0 installs
7. ▌
   Deepagents Typescript Quickstart · langchain-ai-langchain-skills

   Scaffold a minimal local Deep Agent in TypeScript by following the official quickstart, using provider-native web search instead of Tavily. Use when the user wants to quickly build or try a Deep Agent locally.
   0 installs
8. ▌
   Langgraph Persistence · langchain-ai-langchain-skills

   INVOKE THIS SKILL when your LangGraph needs to persist state, remember conversations, travel through history, or configure subgraph checkpointer scoping. Covers checkpointers, thread_id, time travel, Store, and subgraph persistence modes.
   0 installs
9. ▌
   Langchain Dependencies · langchain-ai-langchain-skills

   INVOKE THIS SKILL when setting up a new project or when asked about package versions, installation, or dependency management for LangChain, LangGraph, LangSmith, or Deep Agents. Covers required packages, minimum versions, environment requirements, versioning best practices, and common community tool packages for both Python and TypeScript.
   0 installs
10. ▌
    Langchain Fundamentals · langchain-ai-langchain-skills

    Create LangChain agents with create_agent, define tools, and use middleware for human-in-the-loop and error handling.
    0 installs
11. ▌
    Langgraph Fundamentals · langchain-ai-langchain-skills

    INVOKE THIS SKILL when writing ANY LangGraph code. Covers StateGraph, state schemas, nodes, edges, Command, Send, invoke, streaming, and error handling.
    0 installs
12. ▌
    Deep Agents Orchestration · langchain-ai-langchain-skills

    INVOKE THIS SKILL when using subagents, task planning, or human approval in Deep Agents. Covers SubAgentMiddleware, TodoList for planning, and HITL interrupts.
    0 installs
13. ▌
    Langchain Python Quickstart · langchain-ai-langchain-skills

    Scaffold a minimal local LangChain agent in Python by following the official quickstart. Use when the user wants to quickly build or try a LangChain agent locally.
    0 installs
14. ▌
    Eval Engineering · langchain-ai-langchain-skills bundle

    Inspect an agent repository and optional traces, interview the user, write reviewed Task Specs, build and audit Harbor tasks, and bootstrap reusable project World Knowledge Skills. Use for agent evals, benchmark design, Task generation, controlled Environments, synthetic data, Verifiers, Harbor runs, calibration, or continuous benchmark maintenance.
    0 installs
15. ▌
    Deep Agents Memory · langchain-ai-langchain-skills

    INVOKE THIS SKILL when your Deep Agent needs memory, persistence, or filesystem access. Covers StateBackend (ephemeral), StoreBackend (persistent), FilesystemMiddleware, and CompositeBackend for routing.
    0 installs
16. ▌
    Managed Deep Agents · langchain-ai-langchain-skills

    INVOKE THIS SKILL when building, testing, or deploying Managed Deep Agents in LangSmith with the mda CLI. Walks a user through their first agent end to end — interviewing them about what they want to build, mapping it onto what MDA can actually do, then scaffolding and deploying it. Covers the file-based project layout; define_deep_agent / defineDeepAgent; instructions, skills, memory, identity, tools, middleware, sandboxes, schedules, channels, and evals; mda init/build/dev/deploy/logs/delete; and Context Hub.
    0 installs
17. ▌
    Langchain Middleware · langchain-ai-langchain-skills

    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.
    0 installs
18. ▌
    Swarm · langchain-ai-langchain-skills bundle

    Dispatches many independent items in parallel: create a table, fan out to subagents, aggregate results. One row = one unit of work.
    0 installs
19. ▌
    Langchain RAG · langchain-ai-langchain-skills

    INVOKE THIS SKILL when building ANY retrieval-augmented generation (RAG) system. Covers document loaders, RecursiveCharacterTextSplitter, embeddings (OpenAI), and vector stores (Chroma, FAISS, Pinecone).
    0 installs
20. ▌
    Langgraph CLI · langchain-ai-langchain-skills

    INVOKE THIS SKILL when using the langgraph CLI to scaffold, develop, build, or deploy LangGraph applications. Covers langgraph new, dev, build, up, deploy, and langgraph.json configuration.
    0 installs
21. ▌
    Deep Agents Core · langchain-ai-langchain-skills

    INVOKE THIS SKILL when building ANY Deep Agents application. Covers create_deep_agent(), harness architecture, SKILL.md format, and configuration options.
    0 installs
22. ▌
    Ecosystem Primer · langchain-ai-langchain-skills

    INVOKE FIRST for any LangChain / LangGraph / Deep Agents agent building project before consulting other skills or writing any agent code. Required starting point for up to date info on framework selection (LangChain vs LangGraph vs Deep Agents vs hybrid composition), agent patterns, install, environment setup, and which skill to load next.
    0 installs