DEV Community

#langchain

Posts

đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.
How to Inject Hidden Runtime Context into AI Agent Tools (LangChain + LangGraph)

How to Inject Hidden Runtime Context into AI Agent Tools (LangChain + LangGraph)

Comments
6 min read
How to Build a Human-in-the-Loop AI Agent with LangChain & LangGraph

How to Build a Human-in-the-Loop AI Agent with LangChain & LangGraph

Comments
5 min read
Three Design Decisions That Shaped the Enterprise RAG Retrieval Pipeline

Three Design Decisions That Shaped the Enterprise RAG Retrieval Pipeline

Comments
5 min read
Another way to use tool calling: intent classification

Another way to use tool calling: intent classification

Comments
4 min read
[Open-Source LLM Agent #2] Streaming a LangGraph Agent as OpenAI-Compatible SSE (with a Thinking Panel)

[Open-Source LLM Agent #2] Streaming a LangGraph Agent as OpenAI-Compatible SSE (with a Thinking Panel)

Comments 2
5 min read
[Open-Source LLM Agent #1] Running a LangGraph ReAct Agent in Production: OpenAI-Compatible API + Multi-Model Gateway + One-Line Tracing

[Open-Source LLM Agent #1] Running a LangGraph ReAct Agent in Production: OpenAI-Compatible API + Multi-Model Gateway + One-Line Tracing

Comments
5 min read
How to Use LangChain Deep Agents with Azure Cosmos DB – Plan, act, and verify against operational data

How to Use LangChain Deep Agents with Azure Cosmos DB – Plan, act, and verify against operational data

5
Comments
10 min read
Lessons from LangChain: Designing a Reliable Runtime for Production-Grade Agents

Lessons from LangChain: Designing a Reliable Runtime for Production-Grade Agents

Comments
14 min read
Lessons from LangChain: Designing a Reliable Runtime for Production-Grade Agents

Lessons from LangChain: Designing a Reliable Runtime for Production-Grade Agents

Comments
14 min read
I Scanned 5 Common LangChain Agent Patterns. Every Single One Was Over-Permissioned.

I Scanned 5 Common LangChain Agent Patterns. Every Single One Was Over-Permissioned.

1
Comments 2
5 min read
I spent a week researching why devs hate Supabase, LangChain, PostHog & Neon (and what I found)

I spent a week researching why devs hate Supabase, LangChain, PostHog & Neon (and what I found)

1
Comments 3
4 min read
5 silent failure patterns which I found analyzing 50+ real agent traces

5 silent failure patterns which I found analyzing 50+ real agent traces

Comments
2 min read
AI Tools vs. Agentic Systems: What Developers Need Now

AI Tools vs. Agentic Systems: What Developers Need Now

Comments
6 min read
LangChain vs LlamaIndex: Which Python AI Framework to Choose (2026)

LangChain vs LlamaIndex: Which Python AI Framework to Choose (2026)

Comments
4 min read
How I Cut My LangGraph Agent's Token Costs by 93% with One Import

How I Cut My LangGraph Agent's Token Costs by 93% with One Import

1
Comments
2 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.