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50 items in r/LangChain

20.09.2026
r/LangChain Built an open-source AI document intelligence platform - RAG Q&A over PDFs/DOCX, swap OpenAI/Claude with one setting 🔗
r/LangChain Are you familiar with any research on external state engines for agent loops? 🔗
r/LangChain Jev to retrieve memories is a game changer [P] 🔗
r/LangChain I got tired of manually tuning RAG pipelines, so I built an open-source experiment runner 🔗
19.09.2026
r/LangChain My agent kept acting on an old decision even after I told it we changed course 🔗
r/LangChain Thoughts? 🔗
r/LangChain Qwen 3.8 27B running on a single RTX 5090 researches and creates a full animation using only code. 🔗
18.09.2026
r/LangChain What are good documentations to learn how to build agents? 🔗
r/LangChain How do you reduce token consumption when an LLM retry requires sending the entire context again? 🔗
r/LangChain What I learned while implementing FAISS vector search 🔗
26.08.2026
r/LangChain Do production AI agents need a separate "conclusion state" layer or is this a problem avoided by good workflow design? 🔗
r/LangChain Swapped DockerExecutionPolicy for a kern one: 14.5 ms session start instead of 159 ms 🔗
r/LangChain I built an open-source debugger for comparing AI agent runs 🔗
r/LangChain Showcase: Multi-agent presentation analyzer with LangGraph & Gemini Vision (filtering corporate fluff to generate equity dossiers) 🔗
r/LangChain Stop paying for whitespace and code comments in your prompts. I built a lightweight prompt minifier in pure Python. 🔗
r/LangChain Run a fully local LangChain RAG pipeline with VectorAI DB, Hugging Face embeddings, and Ollama 🔗
r/LangChain Production AI agents on Azure: Foundry Agent Service vs. self-hosted? 🔗
r/LangChain How are you self-hosting LangGraph or DeepAgents in production? 🔗
r/LangChain This research paper explains what’s missing from agent memory 🔗
25.08.2026
r/LangChain Multi-agent in production is mostly just baby-sitting loops and setting spending caps 🔗
19.08.2026
r/LangChain What’s the point of LangGraph now that frontier AI providers are getting better at agent building? 🔗
r/LangChain Debugging a multi agent bug that took 6 steps to trace back, the failure was in the gap between two timestamps, not in any single step 🔗
r/LangChain Would anyone find this useful? 🔗
r/LangChain Can an unfamiliar LangChain agent understand this tool from its machine page alone? 🔗
r/LangChain The LLM is the least reliable node in your graph" — Architecture takeaways from building a zero-cost Agentic RAG system featured by UptimeRobot 🔗