RAG and search, page 2

A project-based course repository for developing AI agents using LangChain v1+ and LangGraph: search agents, RAG systems, reflection agents, and code interpreters.

1,774 stars+14 this week

Local-first code intelligence for AI assistants. Turns your codebase into a knowledge graph your AI can query, navigate, and remember. 25 MCP tools.

218 stars+1 this week

Local-first AI job intelligence workbench for scraping roles, ranking fit, and generating tailored application materials.

2,274 stars+4 this week

Embeddable RAG library for Elixir/Phoenix with agentic pipelines and dashboard

344 stars0 this week

A vector index built on TurboQuant, written in Rust with Python bindings

17,481 stars+30 this week

RapidFire AI: Rapid AI Customization from RAG to Fine-Tuning

176 stars+1 this week

A cognition aware database engine for AI agent memory. Purpose built in Rust with WAL, HNSW, knowledge graphs, and speculative context pre assembly. Not a wrapper, a ground up storage engine that thinks.

124 stars0 this week

A lightweight embedded database engine that natively fuses vector search, graph, and document-oriented metadata within a single storage kernel — ready to use the moment data is written.

190 stars+6 this week

Highly Performant, Modular, Memory Safe and Production-ready Inference, Ingestion and Indexing built in Rust 🦀

1,322 stars0 this week

A native macOS app that turns GitHub Stars into a searchable, organized, AI-powered personal knowledge base.

216 stars+2 this week

A personal knowledge base that builds and maintains itself. Drop in sources — Claude (or Codex/Gemini) reads them, extracts knowledge, and maintains a persistent interlinked wiki. Works with Claude Code, Codex, OpenCode, Gemini CLI. No API key needed.

3,685 stars+14 this week

Local code search combining BM25, vector similarity, and cross-encoder reranking. Parses 60+ languages with tree-sitter, runs entirely offline, and returns structured results with file paths, line ranges, and symbol metadata. Built in Rust.

123 stars+1 this week

RushDB is a self-describing, graph-native database that helps AI agents reason over data with confidence: progressively introspect what's queryable—without guesswork.

327 stars0 this week

Visual document analysis studio powered by Docling — configure the extraction pipeline, inspect text, tables and bounding boxes in the browser, then chunk, embed and index into OpenSearch and Neo4j.

271 stars+4 this week

A local, open-source visual workspace for RAG document preparation: inspect PDF conversion, refine Markdown, compare chunking strategies, and enrich chunks before indexing.

209 stars+15 this week

AdalFlow: The library to build & auto-optimize LLM applications.

4,227 stars+3 this week

NuGet package designed to make LLMs, RAG, and Agents first-class citizens in .NET

200 stars0 this week

Give your AI agents persistent, collective memory — with deduplicating absorb, supersession lineage, semantic search, and a graph UI. Speaks MCP.

747 stars+1 this week

ApeRAG: Production-ready GraphRAG with multi-modal indexing, AI agents, MCP support, and scalable K8s deployment

1,319 stars+1 this week

MongoDB's Generative AI Showcase: an exhaustive collection of examples and sample applications covering Retrieval-Augmented Generation (RAG), AI agents, and industry-specific use cases.

4,266 stars0 this week

Neo4j graph construction from unstructured data using LLMs

5,301 stars+10 this week

A handy lib for smooth interaction with large language models (LLMs) and crafting AI apps.

108 stars0 this week

Self-hosted alternative to Google's NotebookLM: import PDFs, web pages and YouTube transcripts, then get answers with citations back to the source. Hybrid dense + BM25 retrieval over a local SQLite database, with Claude, any OpenAI-compatible provider, or a model on your own machine.

123 stars+11 this week

The open source Meme Search Engine and Finder. Free and built to self-host locally with Python, Ruby, and Docker.

770 stars+2 this week

Shared memory for AI coding tools: hybrid search, cited Q&A, harness memory discovery and a built-in Web console. Local index, MCP + HTTP.

101 stars0 this week

Full AI context and content layer for coding agents over one MCP server — tree-sitter code-map, document RAG, shared memory, multi-agent comms, web crawl, git history + blame. 300+ languages, 10+ agent harnesses, pure Rust.

117 stars+2 this week

Not another ChatGPT wrapper. This is a local-first tool that turns your notes, web pages, PDFs and audio/video into a personal knowledge graph — running entirely on your own machine.

200 stars+1 this week

Shared Single-file memory layer for all your agents, sub mili-second RAG over text, photo and video on Apple Silicon.. No Server. No API. One File. Pure Swift

809 stars+3 this week

Turn your own PDF textbooks into an AI-searchable knowledge base and structured, fully-cited notes — figures included. Local-first, token-frugal.

110 stars+1 this week

Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.

1,145 stars+3 this week

The local-first LLM Wiki: open-source knowledge graph builder, RAG knowledge base, and agent memory store. Built on Andrej Karpathy's pattern. An Obsidian alternative for personal knowledge management, AI second brain, and durable Claude Code / Codex / OpenClaw memory.

733 stars+2 this week

ID-based RAG FastAPI: Integration with Langchain and PostgreSQL/pgvector

921 stars+4 this week

Pure Rust PDF library for AI/RAG: structure-aware chunking, no ML, no C deps.

194 stars+1 this week

Open CLI for integrating AI search, recommendation, and conversational retrieval into agent systems and business systems

1,191 stars+1 this week

AWS Generative AI CDK Constructs are sample implementations of AWS CDK for common generative AI patterns.

543 stars0 this week

Local AI-powered document search and editing with first-in-class hybrid retrieval, LLM answers, WebUI, REST API and MCP support for AI clients.

117 stars0 this week

Agentic Optimizer and Toolkit for experimentation using the Oracle AI Database

103 stars+1 this week

The official TypeScript/Node client for the Pinecone vector database

279 stars0 this week

Turn your Claude Code session history into a searchable local knowledge base — 13 MCP tools, pure stdlib, nothing leaves your machine

306 stars0 this week

Open-source video processing core and CLI. Search and annotate local videos with your own model endpoints.

166 stars0 this week

Local-first AI daemon for Logseq OG: background semantic indexing, link hygiene, and agent-ready CLI/MCP — edits Markdown on disk (no cloud, no Logseq API). Karpathy LLM-Wiki inspired.

102 stars+1 this week

Persistent memory for LLMs and apps. Content-addressed storage with dedupe, compression, full-text and vector search.

372 stars0 this week

World's fastest and most compact embedded vector database: exact by default, multimodal, local-first, and GPU-accelerated

104 stars0 this week

The open-source RAG platform: built-in citations, deep research, 22+ file formats, partitions, MCP server, and more.

2,123 stars+2 this week

Summarize and query from a lot of heterogeneous documents. Any LLM provider, any filetype, advanced RAG, advanced summaries, scriptable, etc

549 stars0 this week

Open-source AI real estate assistant: RAG + vector search over your own listings, 16 LLM providers, FastAPI + Next.js. Run it on your own server with Docker, or try the live demo.

321 stars0 this week

AI Engineering Specially Topics- Agentic AI & GenAI Explanation

181 stars+3 this week

Andrej Karpathy's LLM Wiki pattern as a skill & Claude Code plugin — turn accumulated sources into a self-maintaining, scalable markdown knowledge base.

123 stars0 this week

Jupyter Notebooks to help you get hands-on with Pinecone vector databases

3,049 stars0 this week

Java 8+ agentic SDK: unified LLM access (OpenAI/Anthropic/DashScope/Doubao/DeepSeek...),unified AI service(image/video/audio...), Tool Calling, MCP, RAG, SKILLS,Agent Runtime, A2A, agent blueprint, agent harness, and a built-in Coding Agent CLI/TUI/ACP.

439 stars+2 this week

《大模型与智能体》电子书与 6 个编程任务：Transformer、mini-GPT、SFT/DPO、RAG、工具调用与编程智能体。

6,869 stars+14 this week

Make AI agents and AI workflows measurably reliable. Epistemic measurement, Noetic RAG, Sentinel gating, and grounded calibration for Claude Code and beyond

255 stars0 this week

Buddhist Digital Text Platform — 10,500+ texts, 613 sources, trilingual cross-canon, AI Q&A (RAG), knowledge graph, full-text search

359 stars+4 this week

Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.

17,390 stars+35 this week

Turn scattered notes, docs and transcripts into a queryable Markdown wiki — an LLM knowledge-base compiler with MCP access, no embeddings, self-hosted.

153 stars0 this week

Semantic cache for LLMs. Fully integrated with LangChain and llama_index.

8,222 stars+3 this week

一个本地优先的AI知识库系统（RAG），用于把本地文档接入辅导搜索与大模型对话流程。目前支持md、txt、pdf（文本）、xlsx、cvs类型。支持mcp服务

386 stars+2 this week

ИИкона — AI-коннектор для 1С:Предприятие 8.3: LLM-провайдеры, агентская петля (function calling), RAG, MCP-сервер, мониторинг ошибок с ИИ-анализом, генератор диаграмм

108 stars+1 this week

AI equity research agent with resilient workflows, evidence-grounded RAG, versioned reports, and automated quality evaluation.

560 stars+2 this week

A self-hosted knowledge platform for humans and AI agents — publish wikis, blogs, and portable Agent Skills.

154 stars0 this week

GraphRAG, RAG, LlamaIndex, LangChain, 15 Prop Graph, 4 RDF, 10 Vector, 3 Search DBs. 14 data srcs, auto sync, Alfresco, Nuxeo, SharePoint, Box, CMIS, S3,GCS,Azure, web. KG auto-bld, Ontologies, 13 LLM providers, Docling, LlamaParse, LiteParse, Hybrid Search, AI Chat. TypeScript React, Vue, Angular, Python, REST, MCP, OpenArch, Langflow, CocoIndex.

197 stars+1 this week

Open Source Deep Research Alternative to Reason and Search on Private Data. Written in Python.

8,387 stars+22 this week

The EMBL-EBI Ontology Lookup Service (OLS)

108 stars+1 this week

Local-first RAG memory for AI agents: hybrid + GraphRAG search, MCP server with OAuth 2.1, plugin for Claude Code / OpenCode / Codex.

120 stars+1 this week

开源、本地优先的 AI 长篇小说创作引擎：多智能体世界推演、按弧规划、RAG 长程记忆、逐章审核与断点恢复 | Open-source AI novel generator for long-form fiction.

156 stars+4 this week

Self-hosted AI gateway for private RAG, natural-language data access, and tool-calling agents.

361 stars+2 this week

デジタル庁のガバメントAI「源内(GENAI)」を完全ローカル(ローカルLLM/OpenAI互換)で動かす非公式プロジェクト。SAML認証(Keycloak)・RAG(Qdrant)・文字起こし(Whisper)・画像生成(SD)・チーム単位ナレッジをローカル完結。

139 stars0 this week

Find, connect, rediscover your notes — a local-first second brain for Obsidian. Semantic search with strong Chinese/CJK, relation graphs and semantic paths for connections you never drew, Hot/Cold rediscovery of forgotten notes. Desktop builds the index; phones and tablets search it. No API keys.

163 stars+2 this week

Generative AI reference workflows optimized for accelerated infrastructure and microservice architecture.

4,224 stars+3 this week

This repository provides an advanced Retrieval-Augmented Generation (RAG) solution for complex question answering. It uses sophisticated graph based algorithm to handle the tasks.

1,630 stars+3 this week

The memory your AI should have had from the start. Automatic capture, automatic recall, 100% local. One SQLite file, zero cloud. Works with Claude Code, Claude CLI, Cursor, Codex CLI, Gemini CLI.

385 stars+1 this week

RAFT, or Retrieval-Augmented Fine-Tuning, is a method comprising of a fine-tuning and a RAG-based retrieval phase. It is particularly suited for the creation of agents that realistically emulate a specific human target.

178 stars+1 this week

LangChat 是Java&LangChain4j生态的开源 AI Agent 应用平台，支持多模型、Agent、知识库 RAG、Skills、MCP 与智能问数。

1,328 stars+6 this week

RAG evaluation without the need for "golden answers"

422 stars+3 this week

Universal AI Agent using Amazon Bedrock, capable of customize to create/edit files, execute commands, search the web, use knowledge base, use multi-agents, generative images and more.

486 stars0 this week

RAGLight is a modular framework for Retrieval-Augmented Generation (RAG). It makes it easy to plug in different LLMs, embeddings, and vector stores, and now includes seamless MCP integration to connect external tools and data sources.

672 stars0 this week

Ingest files for retrieval augmented generation (RAG) with open-source Large Language Models (LLMs), all without 3rd parties or sensitive data leaving your network.

765 stars0 this week

Self-hosted AI RAG + MCP Platform

211 stars0 this week

[ICML'26] SimpleMem: Efficient Lifelong Memory for LLM Agents — Text & Multimodal

3,872 stars+9 this week

The collaborative spreadsheet for AI. Chain cells into powerful pipelines, experiment with prompts and models, and evaluate LLM responses in real-time. Work together seamlessly to build and iterate on AI applications.

1,104 stars0 this week

A modern desktop application for exploring, managing, and analyzing vector databases

275 stars+2 this week

🥤 RAGLite is a Python toolkit for Retrieval-Augmented Generation (RAG) with DuckDB or PostgreSQL

1,211 stars0 this week

AI chat, workflow automation, semantic search (RAG), LLM Wiki (OKF) powered by Google Gemini. Works on both desktop and mobile.

118 stars0 this week

High-performance AI memory retrieval for local agent history — a Rust search core (SDK / API / JSON CLI) plus a desktop GUI. Tantivy + Jieba keyword search, optional semantic recall, stable Turn/Run/Session/Project IDs.

361 stars0 this week

The AI Operating System for Delphi. 100% native framework with RAG 2.0, autonomous agents, MCP protocol, and universal LLM connector. Supports OpenAI, Claude, Gemini, Ollama, and more. Delphi 10.4+ (limited), full support from Delphi 12 Athens.

217 stars+2 this week

Cut LLM costs by up to 80% and unlock sub-millisecond responses with intelligent semantic caching.A drop-in, provider-agnostic LLM proxy written in Go with sub-millisecond response

427 stars+1 this week

An open-source RAG-based tool for chatting with your documents.

25,892 stars+47 this week

Swift-based vector database for on-device RAG using MLTensor and MLX Embedders

327 stars+1 this week

自然语言处理、知识图谱、大语言模型，Agent等技术的前沿追踪、研究与应用。

1,776 stars+3 this week

Transparent Python RAG reference with FAISS + BM25 hybrid retrieval, reranking, Gradio UI, and FastAPI.

959 stars+1 this week

eShopLite is a set of reference .NET applications implementing an eCommerce site with features like Semantic Search, MCP, Reasoning models and more.

169 stars0 this week

赛博医生项目——”赛博华佗“，基于多模态大模型的多功能智能体，一键搭建本地多模态大模型。接入医疗健康相关的知识图谱和知识库后可以进行疾病初诊，病历分析，专业知识问答等功能，成为你的私人医生。赛博华佗项目能帮助实现医疗资源的跨地域传播，让更多人借助大模型改善健康水平。"Cyber ​​Huatuo" - Easy to build a personal doctor agent based on LLM and Knowledge Graph/Knowledge Database.

515 stars+3 this week

[EMNLP 2026] Modular GraphRAG framework

144 stars+1 this week

基于 Spring AI 2.0 的生产级 ERP 智能助手｜Production-ready ERP AI assistant with RAG, Tool Calling, chat memory, dynamic SQL tools, multi-tenancy and ECharts.

103 stars0 this week

CookHero是一个基于 LLM + RAG + Agent + 多模态的智能饮食与烹饪管理平台，支持智能菜谱查询、个性化饮食计划、AI 饮食记录、营养分析、Web 搜索增强，以及可扩展的 ReAct Agent / Subagent 工具体系，帮助厨房新手轻松成为“烹饪英雄”。

626 stars+3 this week

pingcap/autoflow is a Graph RAG based and conversational knowledge base tool built with TiDB Serverless Vector Storage. Demo: https://tidb.ai

2,982 stars+2 this week

Ask questions across your Markdown notes using a fully local Graph RAG engine. Built for Obsidian vaults, works with any folder of Markdown files. Extracts entity-relation triples from wikilinks & YAML frontmatter, retrieves answers via hybrid search (vector + BM25 + temporal). Multilingual. No cloud. Runs on Ollama.

610 stars0 this week

The Retail Shopping Assistant is an AI-powered blueprint that provides a comprehensive interface for an intelligent retail shopping advisor. Built with LangGraph for agent orchestration, it features multi-agent architecture, real-time streaming responses, image-based search, and intelligent shopping cart management.

108 stars+3 this week

Embeddable vector database for Go with Chroma-like interface and zero third-party dependencies. In-memory with optional persistence.

1,075 stars+2 this week

Samples showing how to build Java applications powered by Generative AI and LLMs using Spring AI and Spring Boot.

786 stars-1 this week