Knowledge & Memory MCP Servers

Knowledge & Memory topic — 367 MCP servers, ranked by GitHub stars.

M

modelcontextprotocol/servers

File Systems

Direct local file system access.

★ 91,929 MCP Server
C

Context7

Knowledge & Memory
Official

Up-to-date docs for AI agents

★ 64,612 MCP Server
H

hindsight

Knowledge & Memory

Hindsight: long-term memory for AI agents modeled on human memory.

★ 60,483 MCP Server
C

cognee

Knowledge & Memory

Memory manager for AI apps and agents using graph and vector stores, with ingestion from many data sources.

★ 33,244 MCP Server
S

Skill_Seekers

Knowledge & Memory

Turn docs, GitHub repos, PDFs, videos, Confluence, Notion and Slack/Discord into AI skills and RAG knowledge, exportable to vector…

★ 15,299 MCP Server
B

basic-memory

Knowledge & Memory

Local-first knowledge management with bi-directional LLM sync via Markdown files.

★ 4,553 MCP Server
N

NoteDiscovery

Knowledge & Memory

Self-hosted Markdown knowledge base with a web UI: search, read, create, edit, tag and template notes.

★ 2,878 MCP Server
O

open-ontologies

Knowledge & Memory

Ontology engineering for OWL, RDF and SPARQL: validate, query, diff, lint, version and govern knowledge graphs on an Oxigraph triple store.

★ 2,871 MCP Server
M

Memanto

Knowledge & Memory

MCP server for Memanto - persistent semantic memory for any MCP-compatible agent

★ 2,363 MCP Server
M

mcp-memory-service

Knowledge & Memory

Memory service with semantic search, persistent storage and autonomous memory consolidation.

★ 2,114 MCP Server
M

mcpvault

Knowledge & Memory

Safe read/write access to Obsidian vaults: search, batch operations, tag management and frontmatter handling.

★ 1,722 MCP Server
D

deja-vu

Knowledge & Memory

deja-vu: local memory over the session histories of forty-three coding agents.

★ 1,512 MCP Server
A

ApeRAG

Knowledge & Memory

RAG platform combining Graph RAG, vector search and full-text search for building knowledge graphs and context engineering.

★ 1,319 MCP Server
M

mcp-server-chatsum

Knowledge & Memory

Query and summarize your chat messages with AI prompts.

★ 1,027 MCP Server
I

iai-personal-memory-engine

Knowledge & Memory

Local memory daemon with episodic, semantic and procedural tiers, SQLite and hnswlib storage, sleep-cycle consolidation and AES-256-GCM…

★ 923 MCP Server
P

projectmem

Knowledge & Memory

Coding agent memory — one local MCP server for every project. Warns before repeating failed fixes.

★ 880 MCP Server
T

ThoughtDAG

Knowledge & Memory

Search local AI conversations by file or phrase and recall source turns. Four read-only tools.

★ 774 MCP Server
M

memora

Knowledge & Memory

Persistent memory with knowledge graph visualization, semantic/hybrid search, cloud sync (S3/R2) and cross-session context management.

★ 749 MCP Server
V

Vestige

Knowledge & Memory

Causal Proof Engine for AI agents: signed log, zero vectors, failures traced to their cause.

★ 660 MCP Server
M

MisakaNet

Knowledge & Memory

Failure-memory layer for coding agents: search evidence-rated failure lessons by error text.

★ 558 MCP Server
T

telemem

Knowledge & Memory

Long-term and multimodal memory for AI agents - character-aware, mem0-compatible, fully-local option

★ 493 MCP Server
E

Entroly

Knowledge & Memory

Context Assurance for AI agents: context engineering, AI cost optimization, verification.

★ 485 MCP Server
B

beever-atlas

Knowledge & Memory

Open-source LLM knowledge base: team chat into a typed knowledge graph and auto-generated wiki.

★ 453 MCP Server
S

shinpr/mcp-local-rag

Knowledge & Memory

Easy-to-setup local RAG server with minimal configuration

★ 429 MCP Server
G

graphlit-mcp-server

Knowledge & Memory
Official

Ingest content from Slack, Discord, websites, Google Drive, Linear or GitHub into a Graphlit project, then search and retrieve relevant…

★ 379 MCP Server
A

AgentRecall-X

Knowledge & Memory

Correction-first agent memory. Precision KPI tracks if agents heed warnings. 5 layers, local-only.

★ 375 MCP Server
M

MemoryMesh

Knowledge & Memory

Graph-based memory focused on AI role-play and story generation.

★ 355 MCP Server
S

shodh-memory

Knowledge & Memory

Cognitive memory for AI agents — semantic search, Hebbian learning, knowledge graphs.

★ 323 MCP Server
K

knowledge-rag

Knowledge & Memory

Offline RAG for Claude Code with hybrid BM25 and semantic search, cross-encoder reranking, Markdown-aware chunking and query expansion.

★ 305 MCP Server
E

emulo

Knowledge & Memory

Mine your AI coding session logs into a you.md profile with dated receipts, for an agent to read.

★ 305 MCP Server
E

engrim

Knowledge & Memory

Cross-model, local-first episodic memory engine for Claude Code, Cursor, Codex, and Antigravity. SQLite FTS5 (BM25) + 8MB static model2vec…

★ 305 MCP Server
M

markmap-mcp-server

Knowledge & Memory

Convert Markdown into interactive markmap mind maps with PNG/JPG/SVG export and live browser preview.

★ 289 MCP Server
Y

YourMemory

Knowledge & Memory

Persistent memory for AI agents. Memories decay with time and strengthen on recall.

★ 272 MCP Server
S

sage

Knowledge & Memory

Persistent, consensus-validated institutional memory for AI agents. Runs locally.

★ 265 MCP Server
M

mcp-ragdocs

Knowledge & Memory

Retrieve and process documentation through vector search to augment responses with relevant documentation context.

★ 263 MCP Server
R

roomi-fields/notebooklm-mcp

Knowledge & Memory

Google Gemini Notebook (ex NotebookLM) over MCP + a local REST API — cited answers, Studio, history

★ 238 MCP Server
O

OMEGA Memory

Knowledge & Memory

Persistent memory, coordination, and learning for AI agents. Local-first, 25 MCP tools.

★ 225 MCP Server
M

mengram

Knowledge & Memory

Long-term memory for AI agents: semantic facts, episodic events, and procedural workflows

★ 207 MCP Server Requires auth
G

gistpad-mcp

Knowledge & Memory

Manage personal knowledge, daily notes and reusable prompts in GitHub Gists, as a companion to GistPad.

★ 207 MCP Server
I

In-Memoria

Knowledge & Memory

Cumulative memory and pattern learning for coding assistants, with local SQLite/SurrealDB storage for semantic codebase analysis.

★ 175 MCP Server
A

akb

Knowledge & Memory

Git-backed org memory for AI agents — hybrid search, tables, files & a URI graph over MCP.

★ 168 MCP Server
Z

zettelkasten-mcp

Knowledge & Memory

Zettelkasten knowledge management: create, link and search atomic notes.

★ 168 MCP Server
M

mcp-summarizer

Knowledge & Memory

Summarize plain text, web pages, PDF documents, EPUB books and HTML content.

★ 167 MCP Server
P

Piia Engram

Knowledge & Memory

Local-first AI identity for MCP coding tools. Lessons, decisions, and context you control.

★ 165 MCP Server
K

kaliaboi/mcp-zotero

Knowledge & Memory

Work with collections and sources in your Zotero Cloud library.

★ 163 MCP Server
P

prism-coder

Knowledge & Memory

Session memory for coding agents: local-first recall, drift detection, on-device inference.

★ 156 MCP Server
C

context-keeper

Knowledge & Memory

LLM-driven context and memory management: short- and long-term memory with vector, timeline and knowledge graph retrieval plus reranking.

★ 156 MCP Server
C

ContextLattice

Knowledge & Memory

Private-by-default, local-first memory/context/task orchestrator for MCP apps and agents.

★ 155 MCP Server
O

openzim-mcp

Knowledge & Memory

Offline MCP access to ZIM knowledge archives — Wikipedia, Wiktionary, Stack Exchange, Kiwix.

★ 151 MCP Server
A

Aelios

Knowledge & Memory

Self-hosted long-term memory gateway for AI clients: runs on your own Cloudflare account (Workers + D1 + Vectorize), captures…

★ 148 MCP Server
M

MediaWiki MCP Server

Knowledge & Memory

MCP server enabling AI clients to interact with any MediaWiki wiki through standard tools

★ 147 MCP Server
M

membase

Knowledge & Memory

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

★ 140 MCP Server Requires auth
M

memorylane

Knowledge & Memory

Desktop app that captures screen activity, stores AI summaries and OCR text locally, and exposes the history via semantic search and a…

★ 124 MCP Server
M

mem0-mcp-selfhosted

Knowledge & Memory

Self-hosted mem0 for Claude Code: Qdrant vector search, Neo4j knowledge graph, Ollama embeddings and session hooks for automatic…

★ 112 MCP Server
L

loci

Knowledge & Memory

Cross-session memory and hybrid RAG over your notes and docs. Local-first, with cited answers.

★ 101 MCP Server
C

claudex

Knowledge & Memory

Persistent memory + FTS5 search MCP server for Claude Code conversation history.

★ 97 MCP Server
T

tela

Knowledge & Memory

Self-hostable team wiki; agents read & write it via MCP; Atlas turns your repo into a cited wiki.

★ 95 MCP Server Requires auth
C

claude-soul

Knowledge & Memory

Learning engine for Claude Code: extracts signals from sessions, runs periodic reflections and promotes or retires behavioral frameworks…

★ 92 MCP Server
P

pond

Knowledge & Memory

Lossless archive and search for AI agent sessions across clients, exposed to agents over MCP.

★ 91 MCP Server
R

robrain

Knowledge & Memory

Self-hosted decision memory for AI coding agents; warns before re-proposing a rejected approach.

★ 90 MCP Server