langchain-agents

Configure LangChain agents with tool bindings, memory, and RAG integration.

55|15|Updated Dec 1, 2025
One-click install
npx skills add https://github.com/LangConfig/langconfig --skill langchain-agents
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: langchain-agents
Source: https://github.com/LangConfig/langconfig/tree/main/backend/skills/builtin/langchain-agents
Command: npx skills add https://github.com/LangConfig/langconfig --skill langchain-agents

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires langchain, langgraph.

What problem does it solve?

Designing and configuring effective LangChain agents with proper tool integration, memory management, and prompt engineering can be complex and time-consuming, leading to underperforming AI applications. This Skill provides expert guidance for building robust agents.

Core Features & Use Cases

  • Agent Configuration: Master model selection, temperature tuning, and system prompt engineering for optimal agent behavior.
  • Tool Binding: Integrate native tools like web_search, filesystem, and python to extend agent capabilities.
  • Memory & RAG: Implement short-term conversation memory and long-term RAG (Retrieval Augmented Generation) for context-aware agents.
  • Use Case: You need an AI agent to research market trends and summarize findings. Use this Skill to configure a "Research Agent" with web_search and web_fetch tools, a focused system prompt, and memory enabled, allowing it to perform multi-turn research and deliver concise summaries.

Quick Start

Create an agent for researching companies. It should use web search and remember past conversations.

Frequently Asked Questions about langchain-agents

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I build a LangChain agent that can use tools like web search and filesystem access?

Configure a LangChain agent by selecting a model, binding tools (web_search, filesystem, python), and setting up a system prompt. LangChain agents execute tool calls based on model reasoning, enabling multi-step workflows like research and data retrieval across integrated capabilities.

What's the best way to add memory to a LangChain agent so it remembers past conversations?

Enable conversation memory in your agent configuration to maintain context across turns. LangChain agents support short-term memory for multi-turn interactions, allowing the model to reference prior exchanges and deliver coherent, contextual responses.

Can I integrate RAG (Retrieval Augmented Generation) into a LangChain agent?

Yes. LangChain agents support RAG integration to access long-term context and knowledge bases. Bind retrieval tools to your agent configuration so it can fetch relevant documents during reasoning, improving answer accuracy for domain-specific queries.

How do I configure timeouts and retries for LangChain agent tool calls?

LangChain agent configuration includes timeout and retry settings per tool binding. Set these parameters in your agent setup to handle transient failures gracefully and prevent hung operations during tool execution.

Does LangChain work with LangGraph for building agent workflows?

Yes. LangGraph extends LangChain agents with graph-based workflow control, enabling complex multi-agent systems and stateful reasoning. Both dependencies work together to orchestrate agent logic, tool selection, and memory across sophisticated automation scenarios.

What temperature and model settings should I use for reliable LangChain agent behavior?

Agent configuration includes model selection and temperature tuning to control reasoning determinism. Lower temperatures favor consistency; adjust based on your task—structured tool-calling typically benefits from lower temperatures for predictable agent behavior.