RAG Systems
Tools and platforms for Retrieval-Augmented Generation (RAG), integrating external data sources with language models. Enables context retrieval, relevant document fetching, hybrid search, and dynamic knowledge injection into AI/LLM workflows.
MCP ServersBrowse all →
- AlicenseAqualityAmaintenanceArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.Last updated210903Apache 2.0
- AlicenseAqualityBmaintenanceRecord development decisions as structured JSON, embed them as vectors via Gemini, and search semantically over MCP. Works with Claude Code, Cursor, Windsurf, and any MCP client.Last updated292538MIT
- AlicenseAqualityAmaintenanceSemantic search over Nordic economic data — market announcements, quarterly reports (162 companies), macro data (NO/SE/DK/FI), commodity prices, and press releases. 180,000+ vectors.Last updated426MIT
- MIT
- AlicenseBqualityCmaintenanceA Model Context Protocol server that provides knowledge graph-based persistent memory for LLMs, allowing them to store, retrieve, and reason about information across multiple conversations and sessions.Last updated29224,3402MIT
- AlicenseBqualityDmaintenanceAn MCP server for searching and downloading academic papers from multiple sources including arXiv, PubMed, bioRxiv, and Sci-Hub, designed for seamless integration with large language models like Claude Desktop.Last updated2571,476MIT
- AlicenseAqualityBmaintenanceDescription: Persistent memory for AI agents with rollback, audit trails, semantic search, and knowledge graph. Zero-config local SQLite or cloud API. 23 tools, 6 resources, 3 prompts.Last updated2341MIT

graphite-mcpofficial
AlicenseAqualityBmaintenanceMCP server for the Graphite Financial Knowledge Graph, enabling natural language queries about companies, supply chains, executives, regulations, and patents via MCP-compatible clients.Last updated7MIT
Leadpipe MCPofficial
AlicenseBqualityCmaintenanceProvides access to Leadpipe's intent and data APIs for topic discovery, audience management, and visitor data lookup. It enables agents to automate lead generation workflows, analyze website topics, and manage tracking pixels through natural language.Last updated2511MIT- AlicenseAqualityCmaintenanceShrink the web for your local LLMs! Provides web research capabilities to low resource models and environments.Last updated2146MIT
- AlicenseAqualityCmaintenanceConnect AI assistants to Manticore Search. Execute SQL queries, list tables, get schemas, and fetch documentation. Perfect for building RAG applications and search-powered AI agents.Last updated53Apache 2.0

Baidu Vector Database MCPofficial
AlicenseBqualityCmaintenanceA server that provides access to Baidu Cloud Vector Database functionality through the Model Context Protocol, enabling LLM applications to perform vector searches and database operations via natural language.Last updated142Apache 2.0
Tavily MCP Serverofficial
AlicenseAqualityFmaintenanceThis server enables AI systems to integrate with Tavily's search and data extraction tools, providing real-time web information access and domain-specific searches.Last updated437,2872,019MIT- AlicenseAqualityBmaintenanceEnables GitHub Copilot and other LLMs to execute read-only SQL queries against Oracle databases with secure connection pooling and schema introspection capabilities.Last updated221153ISC
- Apache 2.0
- AlicenseAqualityBmaintenanceMCP server for Obsidian vaults — search, memory, link graph, 23 tools, OAuth-protected. Runs locally via Docker or remotely with Obsidian Sync + OAuth 2.1.Last updated6231MIT
- AlicenseAqualityBmaintenanceA Model Context Protocol server that fetches up-to-date, version-specific documentation and code examples from libraries directly into LLM prompts, helping developers get accurate answers without outdated or hallucinated information.Last updated1821,444,13856,111
- AlicenseBqualityCmaintenanceGet access to real-time SEO data, including: keyword insights, backlink data, traffic estimates and more. Allow AI tools and Large Language Models (LLMs) to tap into the real-time SEO Review Tools API with natural language commands.Last updated835MIT
- AlicenseAqualityBmaintenanceContextLattice is an HTTP-first, MCP-compatible memory/context/task orchestrator that persists writes and returns fused recall from specialized stores with local-first defaults. Primary URL: https://contextlattice.io/ Install: https://contextlattice.io/installation.html Troubleshooting: https://contextlattice.io/troubleshooting.htmlLast updated73108
- AlicenseAquality-maintenanceA server that enables LLMs to interact with web pages through structured accessibility snapshots without needing screenshots or visually-tuned models.Last updated4244,159,2591

YDB MCPofficial
AlicenseBqualityCmaintenanceModel Context Protocol server for YDB databases that enables AI-powered database operations and natural language interactions with YDB instances from any LLM that supports MCP.Last updated725Apache 2.0
mcp-server-qdrantofficial
AlicenseBqualityCmaintenanceThis repository is an example of how to create a MCP server for Qdrant, a vector search engine.Last updated21,406Apache 2.0
Adb MySQL MCP Serverofficial
AlicenseBqualityCmaintenanceA universal interface that enables AI Agents to seamlessly communicate with Adb MySQL databases, allowing them to retrieve database metadata and execute SQL operations.Last updated331Apache 2.0
deepset-mcpofficial
AlicenseAqualityBmaintenanceEnables AI agents to build and debug pipelines on the Haystack Enterprise AI platform through 30+ specialized tools, and provides a Python SDK for programmatic access.Last updated423Apache 2.0- AlicenseBqualityCmaintenanceA Model Context Protocol server that provides real-time hot trending topics from major Chinese social platforms and news sites.Last updated12,400196MIT
- AlicenseAqualityDmaintenanceA production-ready Model Context Protocol server that enables language models to leverage AI-powered web scraping capabilities, offering tools for transforming webpages to markdown, extracting structured data, and executing AI-powered web searches.Last updated872MIT
- AlicenseBqualityCmaintenanceAn agent-neutral MCP server providing SQLite key/value storage, Postgres knowledge base, and Kart task queue functionality. Features SAP/1.0 authorization on every tool call for secure multi-application access.Last updated1111MIT
- AlicenseAqualityCmaintenanceAdds persistent memory to AI assistants by connecting to the Memphora cloud platform, allowing them to store and recall facts across conversations. It enables tools for searching memories, extracting insights, and maintaining long-term user context and preferences.Last updated53MIT
- AlicenseAqualityAmaintenanceGives your AI persistent memory across conversations. Stores facts automatically, finds them by meaning using hybrid search with query expansion, and organizes everything into topics without manual tagging.Last updated18MIT
MCP ConnectorsBrowse all →
Collective memory for AI agents. One agent solves a bug — every agent gets the fix instantly.
Structured knowledge base for AI agent solutions. Search, explore, and retrieve build logs.
Search and retrieve cryptographically-verified compliance nodes. 3,000+ nodes across 31 pillars AI Governance, Banking & Global Finance, Cybersecurity, Medical & Healthcare, Legal & IP Sovereignty, ESG and more. Zero hallucination: every node traces to primary legal sources with avg 7 citations.
Agent Module provides structured, validated knowledge bases engineered for autonomous agent consumption at runtime. Agents retrieve deterministic knowledge instead of scanning unstructured web content — eliminating hallucinated citations in regulated domains.
Deterministic compliance and vertical knowledge bases for autonomous agents. Free 24hr trial.
**ColdState Knowledge Search MCP Server** https://github.com/daniel-coldstate/coldstate-mcp Semantic search over 64.6M knowledge entries — the structured alternative to web search APIs and web scraping for LLM agents. No crawling, no rate limits, sub-3s responses. Cloud-hosted at services.coldstate.ai
Shared knowledge base for AI agents. Semantic search across agents, no setup required — just a URL.
Shared knowledge base for AI agents. Semantic search across agents, no setup required — just a URL.
AI web extraction: send URLs + a JSON Schema, get clean structured data. Pay-per-use via x402.
AI-native art catalogue. Catalogue works, parse provenance, and generate signed RAIs.
CareerProof MCP gives AI agents direct access to a professional-grade career and workforce intelligence platform. Two namespaces: atlas_* for HR/TA teams (candidate evaluation, batch shortlisting, competency scoring, interview generation, JD analysis, custom eval frameworks, research reports) and ceevee_* for professionals (CV optimization, career positioning, salary intelligence, market reports). Backed by RAG knowledge from 50+ premium research sources (McKinsey, BCG, HBR, Gartner, WEF)
Direct access to 40+ scraping and search tools. Extract structured data from Google (Search, Maps, Trends), Amazon, Airbnb, Social Media, and any web page directly into your AI agent.
Brave Search MCP — independent web index (no Google/Bing dependency)
LLM caching proxy (x402 USDC on Base) - exact + semantic cache. Free health.
AI-verified knowledge base with trust scoring, temporal facts, and skill cards.
Semantic search across 50,000+ food recipes with hybrid retrieval and reranking.
Korean crypto × AI media MCP — channel stance, daily briefs, RAG, canonical store, AI personas.
Knowledge Base von designare.at – Michael Kanda, Web & KI aus Wien. Semantische Suche über RAG.
AI-first file sharing and collaboration. 251 tools give agents a full workspace: file storage, branded shares, comments, workflows, and built-in RAG. 50GB free, no credit card.
Connect to Hugging Face Hub and thousands of Gradio AI Applications