DEV Community

#langchain

Posts

đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.
Agent Rubrics Turn Evaluation Into Runtime QA | Focused Labs

Agent Rubrics Turn Evaluation Into Runtime QA | Focused Labs

1
Comments
9 min read
If an LLM Can Answer a Question, Why Does LangChain Need Chains?

If an LLM Can Answer a Question, Why Does LangChain Need Chains?

1
Comments
2 min read
LangChain + Chroma: Multi-turn RAG Memory and Automated Testing That Turned 2-Hour Bugs Into 5-Minute Fixes

LangChain + Chroma: Multi-turn RAG Memory and Automated Testing That Turned 2-Hour Bugs Into 5-Minute Fixes

Comments
4 min read
Building a LangGraph RAG Agent from Scratch — with a Live UI That Shows Every Step

Building a LangGraph RAG Agent from Scratch — with a Live UI That Shows Every Step

Comments
7 min read
How Automating RAG Memory Tests with ChromaDB Quadrupled Our Bug Discovery Rate

How Automating RAG Memory Tests with ChromaDB Quadrupled Our Bug Discovery Rate

Comments
3 min read
Building an AI Agent With OpenAI + LangChain: What the freeCodeCamp Course Teaches and What It Misses [2026]

Building an AI Agent With OpenAI + LangChain: What the freeCodeCamp Course Teaches and What It Misses [2026]

Comments
8 min read
[Open-Source LLM Agent #3] Running a Whole RAG Agent Offline: LangGraph + Ollama + Embedded Qdrant (Zero API Keys)

[Open-Source LLM Agent #3] Running a Whole RAG Agent Offline: LangGraph + Ollama + Embedded Qdrant (Zero API Keys)

Comments
5 min read
RAG from Scratch with ChromaDB (No LangChain Required)

RAG from Scratch with ChromaDB (No LangChain Required)

2
Comments
4 min read
105. LangChain: Orchestrating AI Applications

105. LangChain: Orchestrating AI Applications

Comments
5 min read
[Tutorial] Building a Secure LangChain Chatbot on Upsun 🤖

[Tutorial] Building a Secure LangChain Chatbot on Upsun 🤖

Comments
1 min read
The bug wasn't in my AI agent

The bug wasn't in my AI agent

2
Comments
1 min read
Your AI Agent Just Burned $108 in an Hour. Here's the 50-Line Fix.

Your AI Agent Just Burned $108 in an Hour. Here's the 50-Line Fix.

Comments
6 min read
How to Build an AI Resume Builder with LangChain and Node.js

How to Build an AI Resume Builder with LangChain and Node.js

Comments
7 min read
Your AI Agent Just Spent $200 on a $2 Task. Here's Why Nobody Warned You

Your AI Agent Just Spent $200 on a $2 Task. Here's Why Nobody Warned You

1
Comments
5 min read
Building Retrieval-Augmented Generation (RAG) Systems with LangChain and Pinecone

Building Retrieval-Augmented Generation (RAG) Systems with LangChain and Pinecone

2
Comments
4 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.