Knowledge & Memory MCP servers

Documentation, wikis, knowledge graphs, vector stores and persistent memory layers for AI.

114 of them are hosted endpoints you can connect to over HTTP without installing a package.

✨ New this week★ Best MCP Servers for Memory & Knowledge Bases (2026)

MMemory (Knowledge Graph)Featuredby modelcontextprotocolGives the model a persistent memory using a local knowledge graph so it can remember facts about you and your projects across sessions.

npm

Context7Featuredby upstashUp-to-date code docs for any prompt

npmmcpbStreamable HTTP

AAnki MCP Serverby ankimcpMCP server for Anki flashcards: adaptive review, notes, media, and deck management via AnkiConnect.

npm

bitHuman docsby bithumanThe bitHuman docs over MCP: two read-only tools, search and fetch; it needs no account and no key.

Streamable HTTP

EEmbedded Docsby byteaskPage-cited retrieval for embedded docs, datasheets, MISRA, CMSIS, and RTOS references.

Streamable HTTP

DDarkFunnels documentationby darkfunnelsSearch and read the DarkFunnels docs: WhatsApp AI sales agents connected by QR, no Meta Cloud API.

Streamable HTTP

FFinanceGenius.AIby financegeniusIndia's financial MCP — cards, loans, FDs, insurance, MFs; EMI/SIP/tax calcs; NAV lookup; RAG.

Streamable HTTP

GGiljo HQby giljoContext engineering for AI coding agents: product context, project missions, and 360 memory.

Streamable HTTP

RReverieby knowallGraph memory that dreams: Neo4j knowledge-graph memory for AI agents with hybrid search

npm

MMembaseby membaseLong-term memory for you and your AIs: search memories, read the profile, add facts and documents.

Streamable HTTP

Naumuby naumuSearch, extend, and act on your team's Naumu knowledge graph: notes, threads, and nodes.

npmStreamable HTTP

RRCLLby rcllSelf-hosted shared memory for a team of AI agents. Rooms, L0-L3 depth, no LLM on the read path.

npm

SSpeko AIby spekoManage Speko voice-AI agents, sessions, calls, phone numbers, knowledge bases, evals, and docs.

Streamable HTTP

ZZenBrain Memoryby zensationAgent memory: working, episodic, semantic, procedural and core layers. Local SQLite, no account.

npm

Pinto Notesby ambernotesSearch, read and edit your notes in Pinto Notes (formerly Amber Notes): checklists and tables.

Streamable HTTP

CCardogby cardogVIN decode, Canadian listings, market quotes, TC+NHTSA recalls. Full API: https://cardog.app/docs.md

Streamable HTTPSSE

Clean Notesby cleannotesKanban tasks and project notes for AI clients, with OAuth and per-project read or write grants.

Streamable HTTP

Engramby getengramPersistent, verbatim, searchable memory for AI assistants — one memory across every MCP client.

Streamable HTTP

AAgentwebmapby agentwebmapFind publisher documentation via llms.txt, with source links, evidence and check dates.

Streamable HTTP

Aai·rete·ragby ai-rete-ragAuthor rules from policy docs, then decide: a Rete engine gives the verdict, an LLM explains why.

PythonStreamable HTTP

AAiAkiv Memoryby aiakivShared long-term memory for AI agents: save and recall context as a searchable knowledge graph.

Streamable HTTP

NNetcafe Memoryby ainetcafeCross-session, cross-device memory for your agent: remember and recall notes. No key to start.

Streamable HTTP

ASR Memory (에사 AI) — Shared memory for AI toolsby asrmemoryShared memory for AI tools: save once, recall word for word from Claude, ChatGPT, Codex or Gemini.

Streamable HTTP

Avalara Developer Documentationby avalaraProvides access to Avalara developer documentation, integration guides, and code examples

Streamable HTTP

CCareer Riftby careerriftManage job applications — jobs, companies, boards, notes, and profile — from your AI client.

Streamable HTTP

NNexus Memoryby chibitekOwner-scoped Nexus memory: search, facts, captures, KYC. Not Mochii's work graph.

Streamable HTTP

WWikidata + Google Knowledge Graph MCPby dondegoRead-only Wikidata tools and identity evidence. Local optional Google KG; bounded public remote.

PythonStreamable HTTP

DdVeracity Semantic APIby dveracityNatural-language queries over a verified emissions knowledge graph, plus standards validation

npmStreamable HTTP

SSPM - Structured Project Memoryby getspmDurable, shareable and governed project memory with smart triage and explicit project composition.

Streamable HTTP

Roamer MCPby mathismeadowsHosted MCP server and Agent Skills for specs, engineering threads, and project memory.

npmStreamable HTTP

MMatraby matrajsThe Matra rich text editor's documentation as an MCP server: every extension, command and API.

npm

SSdkby mnemopayTrust OS for AI agents: governed memory, payments, reputation, approvals, and audit evidence.

npm

Nnlqdb — analytical memory for AI agentsby nlqdbAnalytical memory for AI agents: a real Postgres queried in plain English over MCP. One command.

Streamable HTTP

OOpen & Asyncby open-and-asyncDraft decision docs, turn meetings into async artifacts, and triage sync vs async in your editor.

npm

Pinto Notesby pintonotesSearch, read and edit your notes in Pinto Notes: folders, checklists, tables and trackers.

Streamable HTTP

Componecatby shaftwareSoftware component catalog: search your org's services, docs, APIs, dependencies, and ownership.

Streamable HTTP

Whimsicalby whimsicalCreate and edit flowcharts, mind maps, wireframes, and docs in Whimsical, or search your workspace.

Streamable HTTP

Aadrkit decision memoryby adrkitDeterministic, offline, read-only ADR decision memory for coding agents. No model or network calls.

npm

Cclassifier.dev docsby classifierclassifier.dev documentation as tools: list, read and search the reference, benchmark and guides.

Streamable HTTP

DDocmancerby docmancerLocal-only MCP server for source-attributed Markdown memory and documentation retrieval.

Python

FFarm.js Docsby farmjsSearch and read the Farm.js docs: pages, sections, code examples and config options.

Streamable HTTP

GGnosemby gnosemCross-vendor AI memory over MCP. One semantic store, readable and writeable from every MCP client.

Streamable HTTP

Svelte MCPby svelteThe official Svelte MCP server providing docs and autofixing tools for Svelte development

npmStreamable HTTP

Arc UIby uiarcReact components and blocks with motion. Search docs, props and shadcn install commands.

Streamable HTTP

Trailby usetrailIssue tracker and durable project memory for your coding agent, scoped to the folder you open.

npm

Leafmeltby workersPDF/Word/Excel/HTML to clean Markdown for LLMs and RAG. Keys $19/mo; 50 free calls a day.

Streamable HTTP

WWrapsby wrapsSearch the Wraps docs and estimate AWS SES costs. Public, read-only, no authentication.

Streamable HTTP

IIonic Framework Mcpby capawesomeUnofficial MCP server for the Ionic Framework documentation, components and blog.

npmStreamable HTTP

CCluesoby cluesoMake videos and docs with your AI agent — describe what you need, every output stays editable.

Streamable HTTP

ContextStreamby contextstreamPersistent memory and cross-session learning for AI coding assistants (hosted remote MCP).

Streamable HTTP

DecRecby decrecDecision memory for AI agents: record, revisit, and resolve consequential choices.

Streamable HTTP

NNotesby Abhishekkumar2021Local markdown notes: ranked + semantic search, tags, todos, and a wiki-link knowledge graph.

npm

coldstartby AkashGoenkaCodebase memory for AI agents: an AST index plus agent-written notes that self-stale.

npm

Hhmem — Humanlike Memory for AI Agentsby BumblebiberPersistent 5-level hierarchical memory for AI agents. SQLite-backed, lazy-loaded.

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CCodebase Memoryby DeusDataCodebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.

npmPythonmcpb

Fonto Docsby DrRataplanFonto (FontoXML) documentation for AI tools. Converts DITA XML to Markdown on demand.

Streamable HTTP

Mmwe-mcp — Memory Wiki Engineby Fr4nZ82Self-hosted multi-user memory for AI agents: a human-readable Markdown wiki with per-fragment ACL.

mcpb

GGctrlby GCTRL-TECHGoverned graph-native agent memory: knowledge extraction, fusion, hybrid RAG, scoped access tokens.

npm

RRE-call MCP Memory Serverby GiulioDERAgent memory on your own Postgres that flags superseded facts and abstains instead of guessing.

Python

EEngramby HBarefootLocal-first persistent memory for AI agents — SQLite + local embeddings, MCP-native, no cloud.

npm

AApple Notesby JonathanRReedInspect, search, create, edit, move, and organize notes in Apple Notes on macOS.

Pythonmcpb

MMemory for AIby LonelyTraderBayLocal codebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.

npmPythonmcpb

TToon Memoryby LuiggiVal08Offline persistent memory for AI coding agents — 35 tools, 80% fewer calls, no LLM

npm

Samsung Notesby Mhemd139Read Samsung Notes: typed text, tables, handwritten pages, photos and PDFs. Never changes a note.

npm

MMemory Vaultby MihaiBuildsLocal-first AI memory layer with hybrid search. Postgres + pgvector. Self-hosted, MIT.

Docker

OOctobrainby MuvonPersistent memory for AI assistants with semantic search and knowledge graph relationships.

npmmcpb

JMeter Docsby QAInsightsApache JMeter community documentation, conversion tools, linters, and calculators for AI agents.

Streamable HTTP

QQiskit Documentation MCP Serverby QiskitMCP server for querying and retrieving Qiskit documentation, guides, and API references

Python

TTiten Memoryby RamaAditya49Evidence-grounded agent memory with mandatory provenance, on local SQLite or Cloudflare D1

npm

RRag Vaultby RobThePCGuyLocal RAG MCP server with hybrid search, PDF/DOCX support, and zero-config setup

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SSprintraby Sprintra-ioThe project brain for AI coding agents — memory, decisions, sprints, knowledge base via MCP.

npmStreamable HTTP

SSynapse Layer — Zero-Knowledge Memoryby SynapseLayerZero-Knowledge Context™ & Neural Handover™ for AI Agents. The Trust Layer for AI Memory.

Python

LLLMSlim memoryby Thanatos9404Long-term memory and context fitting for agents, with no LLM in the loop. Local SQLite.

Python

emem, the verifiable memory protocol for the physical worldby Vortx-AIShared, verifiable memory for machines and AI. Encode where data lives; decode with any AI.

DockerStreamable HTTP

TTOMC Memoryby ZipengWu365CPU task-specific context preparation and explicitly saved local project notes through MCP.

mcpb

VVault Cortexby aliasunderStandalone MCP server for Obsidian vaults — hybrid search, notes & files, memory, tasks, OAuth 2.1

Docker

PPython Docs MCP Serverby ayhammoudaThe canonical Python stdlib oracle for AI coding agents — always free, always MIT, token-frugal.

Python

KkObsidianby bezataFilesystem-first MCP for Obsidian — an LLM-maintained wiki inspired by Karpathy's LLM Wiki.

npm

LLaravel MCP Companionby brianirishLaravel documentation aggregator: multi-version core docs, services, packages, learning paths.

Docker

CometChat Docsby cometchatCometChat docs search + implementation bundles: add chat, voice, video & moderation to your app.

Streamable HTTP

AApple Notesby connerkwardSemantic search + connection-discovery across your own Apple Notes (bridges, synthesis).

mcpb

DDocsAgent — Zotero, Obsidian & Apple Notes MCP Serverby docsagentInstant, private access to your knowledge base: Zotero, Obsidian, Apple Notes (macOS).

npmPython

DDodo Payments Docsby dodopaymentsSemantic search over the current Dodo Payments documentation. No authentication required.

Streamable HTTP

LLians Agent Memoryby ebeirneBitemporal memory for AI agents with point-in-time recall and tamper-evident audit history.

Python

EEngram: AI memory you can edit in Obsidianby engram-appShared memory for Claude, ChatGPT and any MCP client. Read and edit it in Obsidian or the web app.

Streamable HTTP

Hhaiku.ragby ggozadLocal-first agentic RAG with citations - hybrid search, reranking, multimodal document retrieval

Python

IINITE Brainby inite-aiLong-term memory for AI agents: a bitemporal knowledge graph with cited answers.

Streamable HTTP

RRootrby inspirio-coConnect your team's living knowledge base — docs, data, issues, CRM — to Claude and ChatGPT.

Streamable HTTP

IIWE (iwe.md)by iwe-orgMarkdown knowledge base as agent memory. Runs against the notes directory it is started in.

npm

RReverieby knowall-aiGraph memory that dreams: Neo4j knowledge-graph memory for AI agents with hybrid search

npm

PPensyveby major7appsUniversal memory runtime for AI agents — episodic, semantic, and procedural memory.

Docker

NnMEMORYby menot-youMemory your agent can trust — every answer carries its source; when it doesn't know, it says so.

mcpb

MMnemoverse Memoryby mnemoverseHosted agent memory that learns from outcomes, with shared rooms. No key: mcp.mnemoverse.com/mcp

npmStreamable HTTP

MMneme Memoryby modusensusCross-session memory for AI coding agents via six tools; local-first SQLite store.

npm

GGlobal Agent Memoryby ozankasikciShared, project-aware memory for Claude Code, Codex, and other agents with human review.

Python

pmndrs docsby pmndrsSearch and read the docs and examples of react-three-fiber, drei, zustand, jotai... from your agent

Streamable HTTP

CContinuumby pouyahasanamrejiShared memory + orchestration for your coding agents. Local-first MCP, vector RAG.

Docker

State Memory MCPby putervisionPersistent workflow graph server tracking tasks, decisions, spatial entities, and blockers.

npm

Visual Memory MCPby putervisionLocal visual UI cache for AI agents using perceptual hashing, CLIP, and 3D spatial grounding.

npm

Quipuby scbrownLocal knowledge graph memory for agents. SHACL rules refuse bad facts; SPARQL and time travel.

Docker

Directory total: 21,839 servers.