MCP servers · by job
Memory & knowledge MCP servers
330 MCP servers that give an agent long-term memory, notes and a knowledge base. 69 are SAFE, 83 CAUTION and 178 BLOCK. Ranked by trust score; each card opens the full audit.
Cite
Cite this page
ModelsAtlas. “Memory & knowledge MCP servers”. Retrieved 28 Oct 2026. https://modelsatlas.com/mcp/topic/memory
Verdicts · 330 servers
Transports
- stdio, runs locally239
- Streamable HTTP, remote142
- SSE, legacy remote21
- Not declared47
A server can list more than one transport.
Tool risk
108
servers expose at least one destructive tool: delete, overwrite or run. The median server with a readable tool list exposes 10 tools.
Servers with no destructive tools →330 memory & knowledge servers
1–24 of 330 · ranked by trust score, then stars
Graphiti
getzep/graphiti
Build Real-Time Knowledge Graphs for AI Agents
Memory Bank
alioshr/memory-bank-mcp
A Model Context Protocol (MCP) server implementation for remote memory bank management, inspired by Cline Memory Bank.
Knowledge Graph Memory
shaneholloman/mcp-knowledge-graph
MCP server enabling persistent memory for Claude through a local knowledge graph - fork focused on local development
Axon
harshkedia177/axon
Graph-powered code intelligence engine — indexes codebases into a knowledge graph, exposed via MCP tools for AI agents and a CLI for developers.
MegaMemory
0xk3vin/megamemory
Persistent project knowledge graph for coding agents. MCP server with semantic search, in-process embeddings, and web explorer.
Corbell
corbell-ai/corbell
AI-powered spec generation and review using multi-repo code graph intelligence for backend teams that ship to production.
Memento
gannonh/memento-mcp
Memento MCP: A Knowledge Graph Memory System for LLMs
Apple Notes
rafalwilinski/mcp-apple-notes
Talk with your notes in Claude. RAG over your Apple Notes using Model Context Protocol.
mcp-local-rag
shinpr/mcp-local-rag
Local-first RAG server for developers. Semantic + keyword search for code and technical docs. Works with MCP or CLI. Fully private, zero setup.
Local RAG
shinpr/mcp-local-rag
Local-first RAG server for developers. Semantic + keyword search for code and technical docs. Works with MCP or CLI. Fully private, zero setup.
Documentation
andrea9293/mcp-documentation-server
MCP Documentation Server - Bridge the AI Knowledge Gap. ✨ Features: Document management • Gemini integration • AI-powered semantic search • File uploads • Smart chunking • Multilingual support • Zero-setup 🎯 Perfect for: New frameworks • API docs • Internal guides
Ori Mnemos
aayoawoyemi/ori-mnemos
Local-first persistent agentic memory powered by Recursive Memory Harness (RMH). Open source must win.
Ragdocs
hannesrudolph/mcp-ragdocs
An MCP server implementation that provides tools for retrieving and processing documentation through vector search, enabling AI assistants to augment their responses with relevant documentation context.
Vexor
scarletkc/vexor
A semantic search engine for files and code.
Meilisearch
meilisearch/meilisearch-mcp
A Model Context Protocol (MCP) server for interacting with Meilisearch through LLM interfaces.
Ourmem
ourmem/omem
Shared Memory That Never Forgets — persistent memory for AI agents with Space-based sharing across agents and teams. Plugins for OpenCode, Claude Code, OpenClaw, MCP Server.
Zettelkasten
entanglr/zettelkasten-mcp
A Model Context Protocol (MCP) server that implements the Zettelkasten knowledge management methodology, allowing you to create, link, explore and synthesize atomic notes through Claude and other MCP-compatible clients.
Ombre Brain
p0lar1zzz/ombre-brain
For Claude.
Local Rag
nkapila6/mcp-local-rag
"primitive" RAG-like web search model context protocol (MCP) server that runs locally. ✨ no APIs ✨
LangGraph AI
piyushagni5/langgraph-ai
A comprehensive collection of LangGraph implementations, tutorials, and advanced AI workflows covering Agentic RAG systems, MCP (Model Context Protocol) development, and practical AI application patterns.
Needle
needle-ai/needle-mcp
Needle MCP Server for easy RAG.Long-term memory for LLMs.
loci
IvenKooLab/loci
A queryable second brain over your scattered notes and docs - hybrid retrieval (vector + BM25), section-level citations, and an MCP server so AI agents can use it. ~300 lines, no LangChain.
Mem0
pinkpixel-dev/mem0-mcp
A memory system using mem0 for AI applications. Enables long-term memory for AI agents as a drop-in MCP server.
Claudex
kunwar-shah/claudex
MCP server with persistent memory + FTS5 search for Claude Code conversation history. Index your ~/.claude/projects/, expose 10 MCP tools, browse via web UI. MIT-licensed.
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