Best agent skills for LangChain

Fetches and references LangGraph Python documentation to build stateful agents, create multi-agent workflows, and implement human-in-the-loop patterns.

• Published by the vendor
• Repository has 30.6K stars
• Active in the last 30 days

★ 30.6KLast active Oct 23, 2026Claude Code, Claude apps, Codex, Cursor +6

EdgeOne Makers 全栈开发技能包 —— 涵盖 AI Agent 开发（DeepAgents、LangGraph、 Claude SDK、OpenAI Agents、CrewAI）、云函数（Node.js/Go/Python）、边缘函数、 KV 存储、中间件及快速部署，帮助 AI 编程助手准确高效地在…

• Repository has 1.8K stars
• Active in the last 30 days
• Open source (MIT)

★ 1.8KLast active Oct 8, 2026Claude Code, Claude apps, Codex, Cursor +6

Use when adding, configuring, or troubleshooting NeMo Agent Toolkit logging, tracing, telemetry exporters, OpenTelemetry, Langfuse, LangSmith, Weave, Phoenix…

• Repository has 2.7K stars
• Open source (Apache-2.0)
• Ships helper scripts

★ 2.7KLast active Sep 10, 2026Claude Code, Claude apps, Codex, Cursor +6

Framework for building LLM-powered applications with agents, chains, and RAG.

• Repository has 13.9K stars
• Open source (MIT)

★ 13.9KLast active Jun 16, 2026Claude Code, Claude apps, Codex, Cursor +6

LLM observability platform for tracing, evaluation, and monitoring.

• Repository has 13.9K stars
• Open source (MIT)

★ 13.9KLast active Jun 16, 2026Claude Code, Claude apps, Codex, Cursor +6

AI agent development workflow for building autonomous agents, multi-agent systems, and agent orchestration with CrewAI, LangGraph, and custom agents.

• Largest repository here (48,428 stars)
• Active in the last 30 days
• Open source (MIT)

★ 48.4KLast active Oct 24, 2026Claude Code, Claude apps, Codex, Cursor +6

Debug LangChain and LangGraph agents by fetching execution traces from LangSmith Studio.

• Active in the last 30 days
• Open source (Apache-2.0)

★ 195Last active Sep 28, 2026Claude Code, Claude apps, Codex, Cursor +6

Analyze Sage's Phoenix/OpenInference trace database (phoenix.db) for the Sage LangGraph multi-agent system.

• Active in the last 30 days
• Open source (GPL-3.0)
• Ships helper scripts

★ 29Last active Oct 20, 2026Claude Code, Claude apps, Codex, Cursor +6

Guide for LangGraph workflows in AI-powered test automation

• Active in the last 30 days
• Open source (AGPL-3.0)

★ 25Last active Oct 10, 2026Claude Code, Claude apps, Codex, Cursor +6

Build Python agents with Google ADK, LangChain, LangGraph, and agents-cli.

• Active in the last 30 days
• Open source (MIT)

★ 12Last active Oct 24, 2026Claude Code, Claude apps, Codex, Cursor +6

Use for LangGraph/Deep Agents graphs: StateGraph control flow, checkpointed resume-after-failure, HITL approval, multi-agent composition.

• Active in the last 30 days
• Open source (Apache-2.0)

★ 1Last active Oct 14, 2026Claude Code, Claude apps, Codex, Cursor +6

Expert-level AI Application Engineer with deep knowledge of RAG systems, LangChain, LlamaIndex, vector databases, prompt engineering, LLM API integration, and…

• Open source (MIT)

★ 189Last active Apr 30, 2026Claude Code, Claude apps, Codex, Cursor +6

Use to specify, build or review AI agents, LangGraph or LangChain systems, RAG, tool calling, memory, structured extraction, multi-agent workflows…

• Open source (Apache-2.0)

★ 4Last active Aug 5, 2026Claude Code, Claude apps, Codex, Cursor +6

Scan one or more directories of agents in ANY paradigm — Claude Code, n8n workflow exports, framework apps (LangChain/CrewAI/AutoGen), or freeform-coded…

• Active in the last 30 days
• Open source (Apache-2.0)
• Ships helper scripts

Last active Oct 21, 2026Claude Code, Claude apps, Codex, Cursor +6

Give LangGraph agents memory management and search tools so they can store, retrieve, and update durable facts across sessions.

• Open source (MIT)

★ 58Last active Jul 10, 2026Claude Code, Claude apps, Codex, Cursor +6