Tools · Knowledge Base QA
Best MCP servers for knowledge base QA
504 MCP servers in the Official MCP Registry do knowledge base QA. 239 can be used as a hosted endpoint, with nothing to install, and 382 publish their source code.
| # | Tool | Relevance | Connect | Code | Seen |
|---|---|---|---|---|---|
| 301 | RFP.ai Draft cited RFP and security questionnaire answers from your knowledge base, with human review | In description knowledge base | HOSTEDLOCAL | — | 3d ago |
| 302 | Picsha AI AI-native digital asset management: semantic search, generative image edits, and CDN delivery. | In description semantic search | HOSTEDLOCAL | — | 3d ago |
| 303 | Metabind Docs Search and read the Metabind documentation: MCP Apps, BindJS, the SDKs, the CLI, and the APIs. | In description docs search | HOSTEDLOCAL | — | 3d ago |
| 304 | noveum Trace, evaluate, and optimize your LLM, RAG, and agent apps with Noveum observability. | In description rag | HOSTEDLOCAL | — | 3d ago |
| 305 | Husverket – Swedish Prefab Houses Husverket AB knowledge base: 350 Q&A on attefallshus, prices and building permits in Sweden. | In description knowledge base | HOSTEDLOCAL | — | 3d ago |
| 306 | inbrix AI-native helpdesk hosted in Germany: tickets, replies, KPIs and knowledge base over MCP. | In description knowledge base | HOSTEDLOCAL | — | 3d ago |
| 307 | Divinci AI Release management and QA for custom AI assistants: RAG, releases, scored QA, signed TrustBench runs | In description rag | HOSTEDLOCAL | — | 3d ago |
| 308 | ColdState — Deterministic Knowledge Infrastructure Deterministic knowledge for AI agents: search, fetch, cite and verify a 48M-entry knowledge base. | In description knowledge base | HOSTEDLOCAL | — | 3d ago |
| 309 | brainattic The knowledge base your AI reads and writes, under your rules — over MCP, EU-hosted. | In description knowledge base | HOSTEDLOCAL | — | 3d ago |
| 310 | prompt-injection-scanner Scans RAG content/scraped pages for indirect prompt injection | In description rag | HOSTEDLOCAL | Open | 55m ago |
| 311 | Semurg agent memory Self-hosted memory for AI agents over MCP: knowledge graph, vectors, graph RAG, cited answers. | In description rag | HOSTEDLOCAL | Open | 1h ago |
| 312 | Exomem Local Markdown/Obsidian knowledge substrate for MCP agents with governed memory and hybrid search. | In description obsidian | HOSTEDLOCAL | Open | 12h ago |
| 313 | Freshdesk MCP server for Freshdesk — tickets, contacts, companies, agents, groups, and knowledge base. | In description knowledge base | HOSTEDLOCAL | Open | 20h ago |
| 314 | lain High-performance knowledge graph MCP server for AI coding agents with semantic search. | In description semantic search | HOSTEDLOCAL | Open | 22h ago |
| 315 | memors Local, explainable knowledge base for AI agents: hybrid search with provenance over SQLite. | In description knowledge base | HOSTEDLOCAL | Open | 1d ago |
| 316 | mcp-atlassian-extended MCP server for Jira and Confluence — sprints, agile boards, attachments, versions, calendars. | In description confluence | HOSTEDLOCAL | Open | 1d ago |
| 317 | Zammad MCP Every Zammad ticket, article, and Knowledge Base operation as one CLI and MCP server - plus a | In description knowledge base | HOSTEDLOCAL | Open | 1d ago |
| 318 | Memory Fabric File-first, local-first MCP memory for AI coding assistants: Markdown + YAML, no vector DB. | In description vector db | HOSTEDLOCAL | Open | 1d ago |
| 319 | gosidian Self-hosted Obsidian-compatible markdown vault with a web UI and a 57-tool MCP server for AI agents | In description obsidian | HOSTEDLOCAL | Open | 1d ago |
| 320 | vector-store-scanner Probes vector-database endpoints for unauthenticated exposure of embeddings/RAG data | In description rag | HOSTEDLOCAL | Open | 2d ago |
| 321 | seekstone Filesystem-direct Obsidian MCP server — search and edit your vault with low context-tax. | In description obsidian | HOSTEDLOCAL | Open | 2d ago |
| 322 | Octri API Docs Search an Octri project's API docs and call its endpoints as tools, shaped by its SDK Studio config. | In description docs search | HOSTEDLOCAL | Open | 2d ago |
| 323 | Nexus MCP Search Notion and Supabase through one safety-focused MCP server. | In description notion | HOSTEDLOCAL | Open | 2d ago |
| 324 | gitlab-docs Search and browse 2,900+ official GitLab documentation pages via MCP | In description docs search | HOSTEDLOCAL | Open | 3d ago |
| 325 | Cartographer Governance MCP server for agent-maintained knowledge bases (OKF): git-backed writes, search, lint. | In description knowledge bases | HOSTEDLOCAL | Open | 3d ago |
| 326 | marm-mcp-server Universal MCP Server with advanced AI memory capabilities and semantic search. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 327 | Hatchdoor Self-host your Obsidian vaults: a web UI for you, MCP for your AI agents. No Obsidian, no plugins. | In description obsidian | HOSTEDLOCAL | Open | 3d ago |
| 328 | Linear Project Scope-gated Linear project administration with optional GitHub and Obsidian evidence adapters | In description obsidian | HOSTEDLOCAL | Open | 3d ago |
| 329 | taskforge Local MCP server for tasks and notes in any Markdown folder or Obsidian vault. No account needed. | In description obsidian | HOSTEDLOCAL | Open | 3d ago |
| 330 | yuque-mcp MCP server for Yuque — expose your knowledge base to AI assistants. | In description knowledge base | HOSTEDLOCAL | Open | 3d ago |
| 331 | obelisk Comment on a passage of an Obsidian note, and propose suggested edits. | In description obsidian | HOSTEDLOCAL | Open | 3d ago |
| 332 | WebScraping.AI Web scraping tools with Chromium JS rendering, rotating proxies, and AI question answering. | In description question answering | HOSTEDLOCAL | Open | 3d ago |
| 333 | Vouch Git-native, review-gated knowledge base for LLM agents. Cited retrieval, audited writes. | In description knowledge base | HOSTEDLOCAL | Open | 3d ago |
| 334 | voidfeed-mcp Knowledge API for AI agents — content, agent directory, model benchmarks, semantic search. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 335 | shodh-memory Cognitive memory for AI agents — semantic search, Hebbian learning, knowledge graphs. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 336 | mem-context Temporal memory MCP server with LanceDB vector search, weight-decay scoring, and LLM consolidation | In description vector search | HOSTEDLOCAL | Open | 3d ago |
| 337 | mnemograph Event-sourced knowledge graph memory for AI coding agents with semantic search | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 338 | github-repo-mcp MCP server for GitHub repo health, commit summaries, issue triage, and RAG Q&A. | In description rag | HOSTEDLOCAL | Open | 3d ago |
| 339 | vex Local code search for agents: symbols, usages, call graph, AST patterns, grep and semantic search | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 340 | garnet-mcp RAG memory for LLM agents over Garnet Vector Sets: store text as embeddings, recall by meaning. | In description rag | HOSTEDLOCAL | Open | 3d ago |
| 341 | synapbus MCP-native agent-to-agent messaging hub with channels, DMs, and semantic search | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 342 | Koma Core MCP Protected RAG storage — agents discover public metadata, content only by access token. | In description rag | HOSTEDLOCAL | Open | 3d ago |
| 343 | swiss-truth-mcp Verified knowledge base for AI agents — stop hallucinations with certified facts. | In description knowledge base | HOSTEDLOCAL | Open | 3d ago |
| 344 | adam-framework Persistent memory tools for Claude Desktop. Search your vault or Obsidian notes mid-conversation. | In description obsidian | HOSTEDLOCAL | Open | 3d ago |
| 345 | Local Memory Persistent local AI memory. SQLite + FTS5 + vector search, knowledge graph. No cloud, no API keys. | In description vector search | HOSTEDLOCAL | Open | 3d ago |
| 346 | ZKshare ZKshare stdio MCP: store/prove/share, semantic search, sandbox proxy to HTTPS /api/v1/context. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 347 | Black Window weave Semantic search over local folders of code and docs, with a code-search encoder running on your CPU. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
| 348 | openinsurance-wiki Open, source-cited knowledge base of Belgian insurance products: search, compare, verify, overlaps. | In description knowledge base | HOSTEDLOCAL | Open | 3d ago |
| 349 | SeekLink Local read-only semantic search for Markdown vaults through MCP. | In description semantic search | HOSTEDLOCAL | Open | 3d ago |
FAQ
How many MCP servers are there for knowledge base QA?
Electra Index lists 504 active MCP servers for knowledge base QA from the Official MCP Registry. 239 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. RFP.ai, Picsha AI and Metabind Docs 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 its description covers more aspects of the use case, 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.