langchain-lcel

Here are 6 public repositories matching this topic...

rchinmay91 / pdf-chatbot

An enterprise-grade, serverless RAG pipeline transforming multi-page PDF documents into interactive, context-aware knowledge networks using modern LangChain (LCEL) architectures.

python open-source machine-learning artificial-intelligence deployed gradio-interface huggingface-spaces serverless-inference chromadb document-qa rag-pipeline langchain-lcel qwen-llm

Updated Jun 30, 2026
Python

eliv1982 / langchain-recipe-chain-homework

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Educational Python project demonstrating a 4-stage LangChain prompt chain for recipe generation and review.

python openai llm langchain prompt-chaining langchain-lcel

Updated Aug 22, 2026
Python

qrizan / web-research-agent

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a multi-step web research agent over the web, Wikipedia, and arXiv - built with LangGraph + LCEL, streams each step in real-time, and grounds every report in sources it actually fetches and reads.

nextjs ai-agents fastapi langgraph web-search-agent web-fetch langchain-lcel

Updated May 31, 2026
Python

ObiFaith / ai4d-tutorial

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Explore how developers can integrate Artificial Intelligence into software applications by working with LLM APIs, prompt engineering, AI workflows, and practical developer-focused use cases.

ai multimodal rag zod prompt-engineering llm-api agentic-ai langchain-lcel

Updated Jul 10, 2026
TypeScript

Vinay-Rai / OmniRAG-Multi-Source-Conversational-AI-Assistant

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Multi-source conversational RAG chatbot supporting PDFs, DOCX, TXT, CSV, websites, APIs, and YouTube transcripts using LangChain, Groq Llama 3.3, FAISS, and Streamlit.

artificial-intelligence semantic-search rag huggingface vector-database generative-ai langchain-lcel

Updated Aug 20, 2026
Python

KartikPawade / Semantic-RAG-Knowledge-Engine

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A production-ready Advanced RAG API featuring background ingestion, schema-driven routing, and dynamic metadata filtering. Built with FastAPI, ChromaDB, and Ollama, it utilizes RabbitMQ workers for scalable, idempotent document processing and autonomous query expansion.

rabbitmq semantic-search query-expansion vector-database langchain chromadb advanced-rag metadata-filtering metadata-enrichment multi-collection langchain-lcel dynamic-filter-extraction dynamic-pydantic-validation background-ingestion

Updated Feb 22, 2026
Python

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