Best MCP servers for knowledge base QA
502 MCP servers in the Official MCP Registry do knowledge base QA. 237 can be used as a hosted endpoint, with nothing to install, and 382 publish their source code.
| # | Tool | Relevance | Connect | Code | Seen |
|---|---|---|---|---|---|
| 151 | remnus MCP-native open-source Notion alternative: read & write pages, databases and kanban boards. | In description notion | HOSTEDLOCAL | Open | 3d ago |
| 152 | PeopleMCP Semantic search for people, projects and AI agents by task, skills and collaboration needs. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 153 | MidOS - MCP Community Library Curated knowledge for AI agents — 19K chunks, 121 skills, semantic search via MCP | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 154 | AgentLore AI-verified knowledge base with trust scoring, temporal facts, and skill cards. | In description knowledge base | HOSTEDLOCAL | Open | 3d ago |
| 155 | IA-QA — 130+ QA & Dev Tools for AI Agents 130+ QA & dev tools for AI agents: prompt injection, RAG testing, VLM eval, guardrails. Free. | In description rag | HOSTEDLOCAL | Open | 3d ago |
| 156 | agentsearch-mcp LLM-ready web search + instant answers + URL-to-clean-text fetch for agents and RAG. | In description rag | HOSTEDLOCAL | Open | 3d ago |
| 157 | second-brain-bridge Search and reason over your Obsidian-style Markdown vault, right from ChatGPT. | In description obsidian | HOSTEDLOCAL | Open | 3d ago |
| 158 | strajkpolski-mcp Verified Polish open data for AI agents: debt, budget, 460 MPs, votings, judiciary search, RAG. | In description rag | HOSTEDLOCAL | Open | 3d ago |
| 159 | Ichimoku Signal Crypto signals for agents: free Ichimoku trend; confluence, levels and a market scan via x402. | In description confluence | HOSTEDLOCAL | Open | 3d ago |
| 160 | Lium Docs Search and read the Lium GPU rental docs: pods, CLI, SDK, REST API and agent guides. | In description docs search | HOSTEDLOCAL | Open | 3d ago |
| 161 | AiPayGen — 65+ AI Tools as an MCP Server 65+ AI tools as MCP: research, write, code, scrape, translate, RAG, agent memory, workflows | In description rag | HOSTEDLOCAL | Open | 3d ago |
| 162 | redm-mcp RedM / RDR3 docs MCP server: native lookups, semantic search, VORP, RSGCore, oxmysql. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 163 | ls-search Disposable private vector search + semantic RAG for AI agents. x402 pay-per-call, no account. | In description vector search | HOSTEDLOCAL | Open | 3d ago |
| 164 | Web Scraper to Markdown API Extract clean markdown from any URL. Removes boilerplate. For RAG pipelines. x402. | In description rag | HOSTEDLOCAL | Open | 3d ago |
| 165 | criterion Semantic search across 6,236 Quran verses and 12,416 authentic Hadiths for Islamic guidance. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 166 | Nordic Financial MCP Semantic search over Nordic filings, press releases, macro data and electricity prices. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 167 | food-recipe-mcp Semantic search across 50,000+ food recipes with hybrid retrieval and reranking. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 168 | prior Shared knowledge base for AI agents. Search and contribute solutions to technical problems. | In description knowledge base | HOSTEDLOCAL | Open | 3d ago |
| 169 | mcp-server Memory system for AI agents with semantic search. Store and recall memories with ease. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 170 | Leafmelt PDF, Word, Excel, CSV, HTML and XML to clean Markdown for LLMs and RAG, with token counts. | In description rag | HOSTEDLOCAL | Open | 3d ago |
| 171 | StitchAPI Docs Search and read the StitchAPI docs: search_docs finds relevant sections, get_doc reads a page. | In description docs search | HOSTEDLOCAL | Open | 3d ago |
| 172 | ClawLink MCP server connecting AI agents to 100+ apps (Gmail, Slack, Notion, GitHub) via one-click OAuth. | In description notion | HOSTEDLOCAL | Open | 3d ago |
| 173 | Agent Module Deterministic compliance and vertical knowledge bases for autonomous agents. Free 24hr trial. | In description knowledge bases | HOSTEDLOCAL | Open | 3d ago |
| 174 | ZelesIA Turn the LinkedIn posts you save into a knowledge base your assistant can search and cite. | In description knowledge base | HOSTEDLOCAL | Open | 3d ago |
| 175 | WoWSQL Managed Postgres MCP: projects, SQL, docs search, and storage buckets via OAuth. | In description docs search | HOSTEDLOCAL | Open | 3d ago |
| 176 | xNotepad AI Create, search, and update notes in an xNotepad AI notebook, with semantic search and AI Q&A. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 177 | docs Stimulsoft Reports & Dashboards docs MCP server. Semantic search for all platforms. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 178 | Prowlo — Reddit & X for AI agents Reddit & X data for AI agents over MCP. Semantic search, hosted, no Reddit API. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 179 | NexTool MCP for GLPI MCP server for GLPI: tickets, ITIL, assets, knowledge base. GLPI 10/11. Not affiliated with Teclib'. | In description knowledge base | HOSTEDLOCAL | Open | 3d ago |
| 180 | Magnificent Jobs Semantic search over 3.5M+ live US job postings pulled straight from company ATSes. Read-only. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 181 | MyAITwin A personal RAG database you build from chat, so AI creates work that sounds like you. | In description rag | HOSTEDLOCAL | Open | 3d ago |
| 182 | memory Persistent long-term memory for AI agents: semantic search, knowledge graph, and task canvas. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 183 | Gnosis Memory Persistent memory and vector search for AI agents. Hosted, OAuth-protected via Google sign-in. | In description vector search | HOSTEDLOCAL | Open | 3d ago |
| 184 | Guru Remote MCP Server Guru MCP Server - Connect AI tools to your Guru knowledge base | In description knowledge base | HOSTEDLOCAL | Open | 3d ago |
| 185 | Fold Laboratories Art Catalogue Original art from galleries and artists: semantic search, provenance, live availability. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 186 | Digitaltableteur Design system contracts, docs search, and usage validation for @digitaltableteur components. | In description docs search | HOSTEDLOCAL | Open | 3d ago |
| 187 | ByJG Open Source Docs Search the ByJG open source documentation: PHP, DevOps, Helm, JavaScript and AI projects. | In description docs search | HOSTEDLOCAL | Open | 3d ago |
| 188 | Atlassian Rovo MCP Server Connect to Atlassian Jira, Confluence, Loom, and more to search, create, and manage your work. | In description confluence | HOSTEDLOCAL | Open | 3d ago |
| 189 | Acorn Reply Read and edit your Acorn Reply knowledge base from any MCP client. | In description knowledge base | HOSTEDLOCAL | Open | 3d ago |
| 190 | knowledge Knowledge Base von designare.at – Michael Kanda, Web & KI aus Wien. Semantische Suche über RAG. | In description knowledge base | HOSTEDLOCAL | Open | 3d ago |
| 191 | atlas-mind Self-hosted git-native knowledge base with an MCP endpoint your AI reads, writes and rewinds | In description knowledge base | HOSTEDLOCAL | Open | 3d ago |
| 192 | Stompy – AI Memory for Claude & MCP Agents Persistent AI memory with semantic search, conflict detection, and ticketing. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 193 | Speko AI Manage Speko voice-AI agents, sessions, calls, phone numbers, knowledge bases, evals, and docs. | In description knowledge bases | HOSTEDLOCAL | Open | 3d ago |
| 194 | mitosis Mitosis agent-memory platform: pricing, docs search, platform status, agent skills. No auth. | In description docs search | HOSTEDLOCAL | Open | 3d ago |
| 195 | FinanceGenius.AI India's financial MCP — cards, loans, FDs, insurance, MFs; EMI/SIP/tax calcs; NAV lookup; RAG. | In description rag | HOSTEDLOCAL | Open | 3d ago |
| 196 | DarkFunnels documentation Search and read the DarkFunnels docs: WhatsApp AI sales agents connected by QR, no Meta Cloud API. | In description documentation search | HOSTEDLOCAL | Open | 3d ago |
| 197 | Cerebrium Docs Search the Cerebrium docs: deployment, cerebrium.toml, hardware, endpoints. Also sends feedback. | In description docs search | HOSTEDLOCAL | Open | 3d ago |
| 198 | Agentic News AI-powered news intelligence — 21 tools for personalized monitoring, briefings, and semantic search | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
FAQ
How many MCP servers are there for knowledge base QA?
Electra Index lists 502 active MCP servers for knowledge base QA from the Official MCP Registry. 237 offer a hosted endpoint and 382 publish their source code.
Is there a hosted MCP server for knowledge base QA, with nothing to install?
Yes. remnus, PeopleMCP and MidOS - MCP Community Library declare a remote endpoint you add to your assistant's MCP settings.
Is there a ready-made AI agent for knowledge base QA instead?
Yes. If you prefer a finished product to plugging tools into your own assistant, Jamie, Notion Agent and Fathom do this out of the box.
How this list is ordered: a tool comes first when the use case appears in its name rather than only in its description, then when it offers a hosted endpoint, then when its source code is public, then by how recently our robot saw it in the Official MCP Registry. The match to knowledge Base QA comes from the publisher's description (keyword method), not from a test of the tool. Only active tools with a real description are listed. No tool pays to appear here.