Rag Python Packages

langchain

The agent engineering platform.

langchain-core

The agent engineering platform.

langgraph

Build resilient agents.

langgraph-sdk

Build resilient agents.

langgraph-checkpoint

Build resilient agents.

langgraph-prebuilt

Build resilient agents.

langchain-openai

The agent engineering platform.

langchain-text-splitters

The agent engineering platform.

langchain-anthropic

The agent engineering platform.

langchain-classic

The agent engineering platform.

trafilatura

Python & Command-line tool to gather text and metadata on the Web: Crawling, scraping, extraction, output as CSV, JSON, HTML, MD, TXT, XML

langgraph-checkpoint-postgres

Build resilient agents.

llama-index-core

LlamaIndex is the document processing platform for AI

fastembed

Fast, Accurate, Lightweight Python library to make State of the Art Embedding

llama-index-instrumentation

LlamaIndex is the document processing platform for AI

pinecone

Official Python SDK for the Pinecone vector database

html-to-markdown

High performance and CommonMark compliant HTML to Markdown converter. Maintained by the Kreuzberg team. Kreuzberg is a fast, polyglot document intelligence engine with a Rust core. It extracts structured data from 98+ document formats using streaming parsers and built-in OCR.

langgraph-checkpoint-sqlite

Build resilient agents.

llama-index

LlamaIndex is the document processing platform for AI

langgraph-cli

Build resilient agents.

langchain-ollama

The agent engineering platform.

graphifyy

Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.

chonkie

🦛 CHONK docs with Chonkie ✨ — The lightweight ingestion library for fast, efficient and robust RAG pipelines

bm25s

Fast BM25 search in Python, powered by Numpy and Numba