AI & LLM Engineering · LangSmith · By langchain-ai

Design, test, create, and attach LangSmith online evaluators for production traces or conversation threads.

langchain-ai/langsmith-skills

Add, move, rename, or delete a page on the LangChain docs site.

langchain-ai/docs

Routes LangGraph agents with typed decision models that return probabilities, and finds LLM calls that only exist to produce a routing decision.

langchain-ai/langchain-skills

A skill your agent uses when migrating inline code samples from LangChain docs (MDX files) into external, testable code files that are extracted by this repo’s snippet scripts and used as Mintlify…

langchain-ai/docs

INVOKE THIS SKILL when building, iterating on, copying, or sharing a LangSmith Custom App — a React/TypeScript UI that runs inside LangSmith and reads the LangSmith API.

langchain-ai/langsmith-skills

Write or revise documentation prose so it reads like the rest of this site, in the docs team's shared voice.

langchain-ai/docs

Starting point for LangChain, LangGraph and Deep Agents projects: picks the right layer for the task, then points to install steps, setup and the next skill to load.

langchain-ai/langchain-skills

Build stateful, durable agent workflows with LangGraph. An agent skill from langchain-ai/docs.

langchain-ai/docs

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.

langchain-ai/langchain-skills

Trace, evaluate, and deploy AI agents and LLM applications with LangSmith.

langchain-ai/docs

INVOKE THIS SKILL when using the langgraph CLI to scaffold, develop, build, or deploy LangGraph applications.

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.

langchain-ai/langchain-skills

Scaffold a minimal local LangGraph agent in Python by following the official quickstart.

langchain-ai/langchain-skills

Scaffold a minimal local LangGraph agent in TypeScript by following the official quickstart.

langchain-ai/langchain-skills

INVOKE THIS SKILL when building, testing, or deploying Managed Deep Agents in LangSmith.

langchain-ai/langchain-skills

Scaffold a minimal local LangChain agent in Python by following the official quickstart.

langchain-ai/langchain-skills

Scaffold a minimal local LangChain agent in TypeScript by following the official quickstart.

langchain-ai/langchain-skills

Check that a code sample, API signature, default, or behavior claim in the docs is actually true, by running it or reading the product source.

langchain-ai/docs