Knowledge & Memory MCP Servers

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

D

DocSentinel

Knowledge & Memory

Automate cybersecurity assessment of documents, questionnaires and reports to surface risks, compliance gaps and remediations, using a RAG…

★ 90 MCP Server
R

ragie-mcp-server

Knowledge & Memory

Retrieve context from your Ragie knowledge base, connected to sources like Google Drive, Notion and Jira.

★ 90 MCP Server
C

context-mcp

Knowledge & Memory

Self-hosted documentation indexer that serves docs from various sources to agents with semantic search.

★ 88 MCP Server
N

notebooklm-mcp-secure

Knowledge & Memory

Security-hardened NotebookLM MCP with post-quantum encryption

★ 88 MCP Server
A

aura-memory

Knowledge & Memory

Persistent, encrypted cognitive memory that works offline.

★ 85 MCP Server
D

DecisionNode

Knowledge & Memory

Record development decisions as structured JSON with Gemini embeddings and search them semantically from a local store shared across AI…

★ 82 MCP Server
K

kaeru

Knowledge & Memory

Memory for LLM agents: a local graph where the agent itself keeps decisions, tasks, hypotheses and reasoning between sessions, and gets a…

★ 82 MCP Server
C

codemem

Knowledge & Memory

Persistent coding memory across sessions, machines and teammates, with memory search, optional sync, project sharing and automatic capture.

★ 81 MCP Server
C

cdeust/cortex

Knowledge & Memory

Persistent memory for AI agents — 36 cited neuroscience mechanisms, local-first, hybrid retrieval.

★ 76 MCP Server
T

Total Agent Memory

Knowledge & Memory

Persistent local memory for coding agents: temporal knowledge graph, procedural and episodic recall

★ 76 MCP Server
A

agentcairn

Knowledge & Memory

Local-first agent memory: a Markdown Obsidian vault as source of truth plus a rebuildable DuckDB index for hybrid BM25, vector and graph…

★ 74 MCP Server
D

DocsMint

Knowledge & Memory

Cloud or self-hosted knowledge for AI agents: hybrid search, reranking, GraphRAG, scoped MCP tools.

★ 74 MCP Server Requires auth
S

scrivener-mcp

Knowledge & Memory

MCP server for Scrivener: read, write, analyze, and search your manuscripts with AI assistants.

★ 73 MCP Server
D

docx-mcp

Knowledge & Memory

Read and edit Word (.docx) documents with tracked changes, threaded comments, footnotes, OOXML-level validation and document auditing.

★ 68 MCP Server
M

Myco: Agent-First Cognitive Substrate

Knowledge & Memory

Agent-first cognitive substrate: 20 verbs + 50 lint dims over a self-validating graph.

★ 67 MCP Server
R

rms-memory-mcp

Knowledge & Memory

Local-first memory for coding agents: hybrid LanceDB/Tantivy search, Markdown and code indexes, per-project vaults and recall that…

★ 66 MCP Server
D

devrag

Knowledge & Memory

Lightweight local RAG MCP server. 40x token reduction.

★ 64 MCP Server
C

ChatCrystal

Knowledge & Memory

Local-first AI PKM memory for coding conversations.

★ 62 MCP Server
C

Context Awesome

Knowledge & Memory

MCP server for accessing curated awesome list documentation

★ 61 MCP Server
P

people-context

Knowledge & Memory

Local-first MCP server giving AI agents contextual knowledge about the people in your life

★ 60 MCP Server
R

roampal-core

Knowledge & Memory

Outcome-based persistent memory for Claude Code and OpenCode: memories that help get promoted, misleading ones get demoted.

★ 54 MCP Server
C

callimachus

Knowledge & Memory

MCP server for Callimachus: local index and search of your AI coding-agent threads

★ 47 MCP Server
M

mendeley-mcp

Knowledge & Memory

Search your Mendeley library, browse folders, get document metadata, search the global catalog and add papers to your collection.

★ 47 MCP Server
T

tstockham96/engram

Knowledge & Memory

Intelligent agent memory with automatic extraction, consolidation, and bi-temporal recall.

★ 47 MCP Server
C

ContextStream MCP Server

Knowledge & Memory

The context platform for AI agents: code search, team decisions, and grounded project context.

★ 46 MCP Server Requires auth
D

DollhouseMCP

Knowledge & Memory

OSS to create Personas, Skills, Templates, Agents, and Memories to customize your AI experience.

★ 46 MCP Server
W

Waggle-mcp

Knowledge & Memory

Persistent graph-backed conversational memory for AI agents.

★ 45 MCP Server
A

assistant-mcp

Knowledge & Memory
Official

Connect to your Pinecone Assistant and retrieve context from its knowledge engine.

★ 45 MCP Server
L

lean-memory

Knowledge & Memory

Embedded, local-first agent memory: one SQLite file per namespace, no server, no cloud.

★ 43 MCP Server
K

Kage

Knowledge & Memory

Verified memory for coding agents: claims cited against code, stale withheld, savings receipts.

★ 41 MCP Server
I

IHMT Memory

Knowledge & Memory

Long-term memory for AI coding agents, stored as a tree of plain local files.

★ 38 MCP Server
L

Lotus Wisdom

Knowledge & Memory

Contemplative reasoning with Lotus Sutra wisdom framework and ext-apps visualization.

★ 37 MCP Server Reachable
N

neotoma

Knowledge & Memory

Deterministic state layer for agents: versioned entities like contacts, tasks and decisions with immutable observations and provenance, in…

★ 37 MCP Server
V

Vault Cortex

Knowledge & Memory

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

★ 36 MCP Server
L

Local FAISS MCP Server

Knowledge & Memory

Local FAISS vector database for RAG with document ingestion, semantic search, and MCP prompts.

★ 36 MCP Server
T

tokenmizer

Knowledge & Memory

Graph-backed session memory for LLMs: checkpoint, resume, file analysis, token-savings stats.

★ 35 MCP Server
E

enquire-mcp

Knowledge & Memory

Long-term memory for AI agents — your Obsidian vault as searchable persistent memory.

★ 34 MCP Server
O

obsidian-mcp-pro

Knowledge & Memory

Obsidian vault access: full-text search, note CRUD, frontmatter queries, tags, backlinks, graph traversal, orphan and broken link…

★ 34 MCP Server
R

remem

Knowledge & Memory

Local-first automatic memory for Claude Code and Codex: capture, distill, recall from SQLite.

★ 33 MCP Server
M

memem

Knowledge & Memory

Claude Code memory plugin that mines past sessions for decisions, conventions and bug fixes, stores them in an Obsidian vault and briefs…

★ 32 MCP Server
G

GEML — a plain-text document format built to be edited in place, one section at a time

Knowledge & Memory

One section in, one section out — on Markdown/GEML files, bad writes refused.

★ 31 MCP Server Reachable
G

Gnosis MCP

Knowledge & Memory

Zero-config MCP server for searchable documentation. SQLite or PostgreSQL.

★ 31 MCP Server
M

MCP-Context-Provider

Knowledge & Memory

Static server providing persistent tool-specific context and rules to AI models.

★ 30 MCP Server
T

ThumbGate — PreToolUse Agent Firewall

Development

Sub-ms PreToolUse firewall, feedback memory, and single-use permits for AI coding agents.

★ 30 MCP Server
D

Data Olympus

Knowledge & Memory

Governance-grade knowledge-base format (OKF-compatible) plus CLI and single-writer MCP server

★ 30 MCP Server
Z

ZenBrain Memory

Knowledge & Memory

Agent memory: working, episodic, semantic, procedural and core layers. Local SQLite, no account.

★ 29 MCP Server
E

engram-rs

Knowledge & Memory

Hierarchical memory for AI agents. Three-layer (buffer/working/core) with decay and promotion.

★ 28 MCP Server
M

Mnemoverse Memory

Knowledge & Memory

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

★ 28 MCP Server Requires auth
R

RTFM

Knowledge & Memory

Local retrieval for AI agents: index code, docs, PDFs, data in SQLite; 24 parsers, served via MCP.

★ 27 MCP Server
R

RAGStack-Lambda

Knowledge & Memory

Search, chat, upload, and scrape a serverless RAGStack knowledge base on AWS.

★ 26 MCP Server
M

memo

Knowledge & Memory

Memory for AI agents — MLX (Apple Silicon) or CPU (Linux), sqlite-vec + BM25, zero cloud.

★ 26 MCP Server
F

Fidelis Memory

Knowledge & Memory

Recall locally stored agent memories through an MCP-compatible host.

★ 25 MCP Server
S

saravananjaichandar/world-model-mcp

Knowledge & Memory

Temporal knowledge graph for codebases with constraint enforcement at the edit boundary.

★ 24 MCP Server
N

Nouz

Knowledge & Memory

Semantic knowledge engine for Obsidian with auto-classification and DAG hierarchy

★ 24 MCP Server
S

SAME - Stateless Agent Memory Engine

Knowledge & Memory

Persistent memory for AI coding agents. Local-first SQLite + vector search. 17 MCP tools.

★ 24 MCP Server
J

jarvis-orb

Knowledge & Memory

Four-tier memory (episodic, semantic, project, procedural) with temporal scoring, contradiction detection, entity tracking and a desktop…

★ 24 MCP Server
J

jamesanz/memory-mcp

Knowledge & Memory

Store and retrieve conversation memories from multiple LLMs in MongoDB, with timestamps and LLM identification.

★ 23 MCP Server
M

MediaWiki

Knowledge & Memory

Search, read, and edit any MediaWiki wiki. Works with Wikipedia, Fandom, and more.

★ 23 MCP Server
S

s60yucca/mnemos

Knowledge & Memory

Persistent memory for coding agents storing architecture decisions, bug root causes and conventions, with full-text search and…

★ 23 MCP Server
C

celiums-memory

Knowledge & Memory

Cognitive memory engine with knowledge modules, circadian rhythm awareness, emotional state tracking, hybrid PostgreSQL/Qdrant search and…

★ 23 MCP Server