MCP Server Directory

modelcontextprotocol/memory

Knowledge graph-based persistent memory system.

topoteretes/cognee/cognee-mcp

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

mastra-ai/mastra

Provides AI assistants with direct access to Mastra.ai's complete knowledge base.

yusufkaraaslan/Skill_Seekers

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

awslabs/mcp

Query Amazon Bedrock Knowledge Bases using natural language to retrieve relevant information from your data sources.

makenotion/notion-mcp-server

Notion official MCP server

gamosoft/NoteDiscovery

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

fabio-rovai/open-ontologies

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

atomicstrata/llm-wiki-compiler

Compile documents into a cited knowledge wiki. Retrieve evidence, query, and review via local MCP.

doobidoo/mcp-memory-service

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

iwe-org/iwe

Markdown knowledge base as agent memory. Runs against the notes directory it is started in.

relaticle/relaticle

Open-source CRM your AI agents can write to: companies, people, opportunities, tasks and notes.

vshulcz/deja-vu

Local memory over session histories from Claude Code, Codex CLI and opencode: lexical search, session-start auto-recall, secret redaction and SSH sync.

Intuition-Lab/personal-model

Local-first personal memory and model server for trusted MCP agents on macOS.

chunxiaoxx/nautilus-compass

Local-first long-term memory for AI agents, with byte-recomputable signed verification receipts.

shinpr/mcp-local-rag

Local document search: semantic search over PDF, DOCX, TXT and Markdown files with LanceDB vector storage and local embeddings.

chatmcp/mcp-server-chatsum

Query and summarize your chat messages with AI prompts.

CodeAbra/iai-personal-memory-engine

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

AVIDS2/memorix

Local-first project memory with legacy MCP and 2026 discovery compatibility.

riponcm/projectmem

Local-first memory for coding agents: records issues, failed attempts, fixes and decisions, re-injects them and warns at git commit before a repeated mistake.

chenxiachan/thoughtdag

Search local AI-agent conversation history by file or exact phrase and recall original source turns through four read-only tools.

samvallad33/vestige

Local-first cognitive agent memory with FSRS-6 scheduling, smart ingest, SQLite storage, portable sync, an embedded dashboard and optional hooks.

docsagent/docsagent

Instant, private access to your knowledge base: Zotero, Obsidian, Apple Notes (macOS).

MaxFreedomPollard/Compartment

Durable agentic memory, encrypted at rest. Fully offline: no network, no API key, no cloud.

Ikalus1988/MisakaNet

Agent failure memory: search verified debugging lessons from real engineering sessions.

ankimcp/anki-mcp-server

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

juyterman1000/entroly

Context control layer for coding agents: compression, prompt-prefix stabilization for caching, cheaper-model routing, local hallucination checks and memory.

Graphicle-AI/graphicle

Code graph and project memory for coding agents, cited to exact files and lines, on your machine.

Beever-AI/beever-atlas

Team knowledge base turning Slack, Discord, Teams and Mattermost chats into a knowledge graph and wiki with cited answers, semantic search and expert finding.

RafalWilinski/mcp-apple-notes

Talk with your Apple Notes

VectifyAI/pageindex-mcp

Reasoning-based RAG system for chatting with long PDFs. Supports local and online files.

CheMiguel23/MemoryMesh

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

dcostenco/prism-coder

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

varun29ankuS/shodh-memory

Cognitive agent memory with Hebbian learning, a three-tier architecture and knowledge graphs, running offline on edge devices.

plur-ai/plur

Open, local-first engram memory for AI agents: read, correct, delete; shared over MCP.

timgordontg/engrim

Cross-model, local-first episodic memory engine for Claude Code, Cursor, Codex, and Antigravity. SQLite FTS5 (BM25) + 8MB static model2vec CPU embeddings via Reciprocal Rank Fusion; stdio MCP server for durable decisions, budget-capped boot context, and hybrid recall. Zero cloud, zero telemetry.

yuque/yuque-mcp-server

MCP server for Yuque — expose your knowledge base to AI assistants.

ohad6k/emulo

Loads a personal profile mined from your local Claude Code, Codex and OpenCode logs so agents work the way you do.

lyonzin/knowledge-rag

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

1105216375-alt/resimind

Exact polynomial checks, sparse expansion and verified rule memory. Local MCP tools, no model key.

jinzcdev/markmap-mcp-server

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

oleksiijko/pmb

Local-first persistent memory for AI coding agents.

sachitrafa/YourMemory

Persistent agent memory with Ebbinghaus-style decay, hybrid BM25/vector retrieval, entity graph for multi-hop reasoning, auto-pruning and a browser dashboard.

qualixar/superlocalmemory

Local-first memory for AI agents: recall with sources, answer checks, documents, mesh, governance.

ZipengWu365/TOMC

CPU task-specific context preparation and explicitly saved local project notes through MCP.

l33tdawg/sage

Local institutional memory for agents where BFT consensus among validators approves every memory before it is committed.

nhadaututtheky/neural-memory

Persistent memory for AI agents — 55 MCP tools, spreading activation recall.

omega-memory/omega-memory

Local-first persistent memory for coding agents with semantic search, auto-capture, cross-session learning and intelligent forgetting.