langchain-ai/skills-benchmarks

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

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…

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

INVOKE 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 task: LangChain, LangGraph, Deep Agents, or a combination. Must be consulted before other agent skills.

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

ALWAYS START HERE for any LangChain, Deep Agents, or LangGraph agent building project. Required starting point before choosing other skills or writing any code. Covers framework selection (LangChain vs LangGraph vs Deep Agents), agent archetypes, dependency setup, and which skills to load next based on your decisions.

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

INVOKE THIS SKILL when building ANY Deep Agents application. Covers createdeepagent(), harness architecture, SKILL.md format, and configuration options.

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

INVOKE THIS SKILL when your Deep Agent needs memory, persistence, or filesystem access. Covers StateBackend (ephemeral), StoreBackend (persistent), FilesystemMiddleware, and CompositeBackend for routing.

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

INVOKE THIS SKILL when using subagents, task planning, or human approval in Deep Agents. Covers SubAgentMiddleware, TodoList for planning, and HITL interrupts.

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

INVOKE THIS SKILL when asked about and/or have to implement 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…

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

Create LangChain agents with createagent, define tools, and use middleware for human-in-the-loop and error handling.

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

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.

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

INVOKE THIS SKILL when building ANY retrieval-augmented generation (RAG) system. Covers document loaders, RecursiveCharacterTextSplitter, embeddings (OpenAI), and vector stores (Chroma, FAISS, Pinecone).

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

INVOKE THIS SKILL when writing ANY LangGraph code. Covers StateGraph, state schemas, nodes, edges, Command, Send, invoke, streaming, and error handling.

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

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.

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

INVOKE THIS SKILL when your LangGraph needs to persist state, remember conversations, travel through history, or configure subgraph checkpointer scoping. Covers checkpointers, threadid, time travel, Store, and subgraph persistence modes.

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

INVOKE THIS SKILL when creating evaluation datasets, uploading datasets to LangSmith, or managing existing datasets. Covers dataset types (finalresponse, singlestep, trajectory, RAG), CLI management commands, SDK-based creation, and example management. Uses the langsmith CLI tool.

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

INVOKE THIS SKILL when building evaluation pipelines for LangSmith. Covers three core components: (1) Creating Evaluators - LLM-as-Judge, custom code; (2) Defining Run Functions - how to capture outputs and trajectories from your agent; (3) Running Evaluations - locally with evaluate() or auto-run via LangSmith. Uses…

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

INVOKE THIS SKILL when working with LangSmith tracing OR querying traces. Covers adding tracing to applications and querying/exporting trace data. Uses the langsmith CLI tool.

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

OpenAPI documentation and REST API design patterns.

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

Database migration patterns and schema versioning.

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

Best practices for Docker containerization and multi-stage builds.

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

Modern React component patterns with hooks and TypeScript.

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

Unit testing and integration testing best practices.