Databases, analytics, SQL, BigQuery, ETL.
Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发
The fastest path to AI-powered full stack observability, even for lean teams.
A Claude Code plugin that automatically captures everything Claude does during your coding sessions, compresses it with AI (using Claude's agent-sdk), and injects relevant context back into future sessions.
The highest-scoring AI memory system ever benchmarked. And it's free.
Query Engine for AI Analytics: Build self-reasoning agents across all your live data
🕷️ An adaptive Web Scraping framework that handles everything from a single request to a full-scale crawl!
Open-source text-to-SQL and text-to-chart GenBI agent with a semantic layer. Ask your database questions in natural language — get accurate SQL, charts, and BI insights. Supports 12+ data sources (PostgreSQL, BigQuery, Snowflake, etc.) and any LLM (OpenAI, Claude, Gemini, Ollama).
MCP Toolbox for Databases is an open source MCP server for databases.
A 100% free modern JS SaaS boilerplate (React, NodeJS, Prisma). Full-featured: Auth (email, google, github, slack, MS), Email sending, Background jobs, Landing page, Payments (Stripe, Polar.sh), Shadcn UI, S3 file upload. AI-ready with tailored AGENTS.md, skills, and Claude Code plugin. One cmd deploy. Powered by Wasp full-stack framework.
LangChain4j is an open-source Java library that simplifies the integration of LLMs into Java applications through a unified API, providing access to popular LLMs and vector databases. It makes implementing RAG, tool calling (including support for MCP), and agents easy. LangChain4j integrates seamlessly with various enterprise Java frameworks.
CRS-自建Claude Code镜像，一站式开源中转服务，让 Claude、OpenAI、Gemini、Droid 订阅统一接入，支持拼车共享，更高效分摊成本，原生工具无缝使用。
小红书（XiaoHongShu、RedNote）链接提取/作品采集工具：提取账号发布、收藏、点赞、专辑作品链接；提取搜索结果作品、用户链接；采集小红书作品信息；提取小红书作品下载地址；下载小红书作品文件
OpenMetadata is a unified metadata platform for data discovery, data observability, and data governance powered by a central metadata repository, in-depth column level lineage, and seamless team collaboration.
Official MCP Servers for AWS
Open-source, self-hosted CMS platform on AWS serverless (Lambda, DynamoDB, S3). TypeScript framework with multi-tenancy, lifecycle hooks, GraphQL API, and AI-assisted development via MCP server. Built for developers at large organizations.
Real-time Claude Code usage monitor with predictions and warnings
A lightweight next-gen data explorer - Postgres, MySQL, SQLite, MongoDB, Redis, MariaDB, Elastic Search, and Clickhouse with Chat interface
Learn Agentic AI using Dapr Agentic Cloud Ascent (DACA) Design Pattern and Agent-Native Cloud Technologies: OpenAI Agents SDK, Memory, MCP, A2A, Knowledge Graphs, Dapr, Rancher Desktop, and Kubernetes.
Self-hosted AI agent orchestration platform: dispatch tasks, run multi-agent workflows, monitor spend, and govern operations from one mission control dashboard.
GoClaw - GoClaw is OpenClaw rebuilt in Go — with multi-tenant isolation, 5-layer security, and native concurrency. Deploy AI agent teams at scale without compromising on safety.
Connect Supabase to your AI assistants
Zero-dependency, token-efficient database MCP server for Postgres, MySQL, SQL Server, MariaDB, SQLite.
Postgres MCP Pro provides configurable read/write access and performance analysis for you and your AI agents.
Fulling is an AI-powered Full-stack Engineer Agent. Built with Next.js, Claude, shadcn/ui, and PostgreSQL. Use kubernetes as infra.
Aix-DB 基于 LangChain/LangGraph 框架，结合 MCP Skills 多智能体协作架构，实现自然语言到数据洞察的端到端转换。
superglue (YC W25) builds integrations and tools from natural language. Get production-grade tools for long tail and enterprise systems.
Asynchronous coordination layer for AI coding agents: identities, inboxes, searchable threads, and advisory file leases over FastMCP + Git + SQLite
Open-source credential vault, give your AI agents access to services without exposing keys.
High-performance AI pipeline engine with a C++ core and 50+ Python-extensible nodes. Build, debug, and scale LLM workflows with 13+ model providers, 8+ vector databases, and agent orchestration, all from your IDE. Includes VS Code extension, TypeScript/Python SDKs, and Docker deployment.
MCP server and Claude plugin for Postgres skills and documentation. Helps AI coding tools generate better PostgreSQL code.
Open-source persistent memory for AI agent pipelines (LangGraph, CrewAI, AutoGen) and Claude. REST API + knowledge graph + autonomous consolidation.
Query anything (GitHub, Notion, +40 more) with SQL and let LLMs (ChatGPT, Claude) connect to using MCP
A Model Context Protocol server that provides read-only access to MySQL databases. This server enables LLMs to inspect database schemas and execute read-only queries.
High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 66 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.
Open Brain — The infrastructure layer for your thinking. One database, one AI gateway, one chat channel — any AI plugs in. No middleware, no SaaS.
An official Qdrant Model Context Protocol (MCP) server implementation
The python library for research and development in NLP, multimodal LLMs, Agents, ML, Knowledge Graphs, and more.
A Model Context Protocol (MCP) server that enables secure interaction with MySQL databases
Local first codebase intelligence
🔒 Enterprise-grade API gateway that helps you monitor and impose cost or rate limits per API key. Get fine-grained access control and monitoring per user, application, or environment. Supports OpenAI, Azure OpenAI, Anthropic, vLLM, and open-source LLMs.
Codebase intelligence for AI-assisted engineering teams — auto-generated docs, git analytics, dead code detection, and architectural decisions via MCP.
A lightweight, cross-platform database client for developers. Supports MySQL, PostgreSQL and SQLite. Hackable with plugins. Built for speed, security, and aesthetics.
Route, manage, and analyze your LLM requests across multiple providers with a unified API interface.
Selfhosted notes app. Single golang binary, notes stored as markdown within SQLite, full-text search, very low resource usage
AI agent expert in PostgreSQL
On-premises conversational RAG with configurable containers
A Model Context Protocol server to connect to MongoDB databases and MongoDB Atlas Clusters.
CloudBase MCP - Connect CloudBase to your AI Agent. Go from AI prompt to live app.
A lightweight, rollbackable, and visual Long-Term Memory Server for MCP Agents. Say goodbye to Vector RAG and amnesia. Empower your AI with persistent, graph-like structured memory across any model, session, or tool. Drop-in replacement for OpenClaw.
Enterprise-grade (40m+ lines) codebase intelligence in a zero-setup, private and local Plugin/Skill or MCP: managed indexing, hybrid semantic search, polyglot code dependency graphs, cross-project/repo & branch-aware search, and DB/API/infra knowledge. Benchmark: 61% less tokens, 84% fewer calls, 37x faster than standard AI grep.
Shareable data apps for AI agents
Query MCP enables end-to-end management of Supabase via chat interface: read & write query executions, management API support, automatic migration versioning, access to logs and much more.
🤖 24/7 AI agent that maximizes Claude Code Pro usage via Slack. Auto-processes tasks, manages isolated workspaces, creates Git commits/PRs, and optimizes day/night usage thresholds.
A Python library powered by Language Models (LLMs) for conversational data discovery and analysis.
Connect ClickHouse to your AI assistants.
AI agent skills for App Store Optimization (ASO) and app marketing. Built for indie developers, app marketers, and growth teams who want Cursor, Claude Code, or any Agent Skills-compatible AI assistant to help with keyword research, metadata optimization, competitor analysis, and app growth.
AutoMem is a graph-vector memory service that gives AI assistants durable, relational memory:
Querying local documents, powered by LLM
AgentChat 是一个基于 LLM 的智能体交流平台，内置默认 Agent 并支持用户自定义 Agent。通过多轮对话和任务协作，Agent 可以理解并协助完成复杂任务。项目集成 LangChain、Function Call、MCP 协议、RAG、Memory、HITL、Skill、Milvus 和 ElasticSearch 等技术，实现高效的知识检索与工具调用，使用 FastAPI 构建高性能后端服务。
The open context engine for AI agents support 15+ data sources. Built on Rust and Apache DataFusion.
phpMyFAQ - Open Source FAQ web application for PHP 8.3+ and MySQL, PostgreSQL and other databases
Enterprise-ready MCP Gateway & Registry that centralizes AI development tools with secure OAuth authentication, dynamic tool discovery, and unified access for both autonomous AI agents and AI coding assistants. Transform scattered MCP server chaos into governed, auditable tool access with Keycloak/Entra integration.
Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW search, graph traversal, and writes. Using Neo4j Bolt/Cypher and qdrant's gRPC means you can switch with no changes. Then, adding intelligent features like schemas, managed embeddings, LLM reranking+inferrence, GPU accel, Auto-TLP, Memory Decay, and MCP server.
An MCP tool that connects Google Ads with Claude AI/Cursor and others, allowing you to analyze your advertising data through natural language conversations. This integration gives you access to campaign information, performance metrics, keyword analytics, and ad management—all through simple chat with Claude, Cursor or Windsurf.
A MCP (Model Context Protocol) server for interacting with dbt.
A Model Context Protocol (MCP) server implementation that provides database capabilities for Chroma
An MCP server to query any Postgres database in natural language.
Universal MCP-Server for your Databases optimized for LLMs and AI-Agents.
MCP Server for YouTube API, enabling video management, Shorts creation, and advanced analytics
The official Redis MCP Server is a natural language interface designed for agentic applications to manage and search data in Redis efficiently
Cognitive memory for AI agents — FSRS-6 spaced repetition, 29 brain modules, 3D dashboard, single 22MB Rust binary. MCP server for Claude, Cursor, VS Code, Xcode, JetBrains.
Local MCP server for DuckDB and MotherDuck
This is the public release of MIRA OS. Discrete memories decay through momentum loss, tools auto-configure when dropped into tools/ folder, and the system prompt composes from modular trinkets. I would like to think I've made an elegant brain-in-box. You load it and send cURL requests - it talks back, learns, and uses tools. Contributions welcome.
A MCP (model context protocol) server that gives the LLM access to and knowledge about relational databases like SQLite, Postgresql, MySQL & MariaDB, Oracle, and MS-SQL.
Redis Vector Library (RedisVL) -- the AI-native Python client for Redis.
Context-Engine MCP - Agentic Context Compression Suite
Daymon puts your favorite AI to work 24/7. It schedules, remembers, and orchestrates your own virtual team. Free.
Open Source Implementation of Karpathy's LLM Wiki. Upload documents, connect your Claude account via MCP, and have it write your wiki !
Give Claude Code photographic memory in ONE portable file. No database, no SQLite, no ChromaDB - just a single .mv2 file you can git commit, scp, or share. Native Rust core with sub-ms operations.
MCP Database Server is a new MCP Server which helps connect with Sqlite, SqlServer and Posgresql Databases
A Model Context Protocol (MCP) server for Microsoft SQL Server that enables secure database interactions through a controlled interface. Allows AI assistants to safely list tables, read data, and execute SQL queries while maintaining security and structure.
A PostgreSQL-backed archive generator that creates browsable HTML archives from link aggregator platforms including Reddit, Voat, and Ruqqus.
Code from tutorials presented on the "Code AI with Rok" YouTube channel
A CLI tool for logging and analyzing Claude Code and Cursor ai-driven coding session.
Free, open-source SQL Server performance monitoring — 32 collectors, real-time alerts, graphical plan viewer, MCP server for AI analysis. Supports SQL 2016-2025, Azure SQL, AWS RDS.
Multi-agent orchestration middleware that coordinates between users, AI agents (LLMs), and business systems. It provides intelligent routing, conversation management, and API orchestration for building sophisticated AI-powered applications.
A Model Context Protocol Server for MongoDB
MCP Server for Snowflake including Cortex AI, object management, SQL orchestration, semantic view consumption, and more
Notate is a desktop chat application that takes AI conversations to the next level. It combines the simplicity of chat with advanced features like document analysis, vector search, and multi-model AI support - all while keeping your data private.
Local-first persistent agentic memory powered by Recursive Memory Harness (RMH). Open source must win.
Model Context Protocol (MCP) server that supports secure interaction with MySQL databases and has anomaly analysis capabilities.更加牛逼！更加好用！不仅止于mysql的增删改查功能； 还包含了数据库异常分析能力；且便于开发者们进行个性化的工具扩展
One API for 20+ LLM providers, your databases, and your files — self-hosted, open-source AI gateway with RAG, voice, and guardrails.
MCP server for Google Ads, Meta Ads & GA4 — works with ChatGPT, Claude, Cursor, n8n, Windsurf & more. 250+ tools for campaign management, analytics & optimization.
Tableau's official MCP Server. Helping Agents see and understand data.
A Model Context Protocol (MCP) server that enables natural language queries to databases
The MCP Engine is a Power BI tool that lets AI assistants like Claude interact with your Power BI models programmatically: read your model structure, run DAX queries, create and modify measures, manage relationships, and perform advanced analytics - all through natural conversation.
A persistent local memory for AI, LLMs, or Copilot in VS Code.
Amazon Bedrock Foundation models with Amazon Opensearch Serverless as a Vector DB
