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 29 Oct 2026. https://modelsatlas.com/mcp/topic/memory/page/9
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
193–216 of 330 · ranked by trust score, then stars
Qdrant
mhalder/qdrant-mcp-server
MCP server for semantic search using local Qdrant vector database and OpenAI embeddings
open-memex
stoneskin/open-memex
Local-first memory layer for AI coding agents — Markdown as source of truth, MCP server + CLI, human-reviewed capture, team knowledge via git PRs.
Iai
codeabra/iai-mcp
A cyber brain for your AI. It never forgets a detail, remembers exactly what you said, and learns how you work over time. Free, local, works with Cursor, Claude Code, Codex, OpenClaw, Hermes and more. MIT.
Mengram
alibaizhanov/mengram
Human-like memory for AI agents — semantic, episodic & procedural. Experience-driven procedures that learn from failures. Free API, Python & JS SDKs, LangChain, CrewAI & OpenClaw integrations.
Kindex
jmcentire/kindex
Knowledge index that learns from your conversations
Synaptic Memory
plateerlab/synaptic-memory
Knowledge graph + MCP tool server for LLM agents with hybrid retrieval, live DB sync, Korean FTS, and memory feedback.
memtomem-stm
memtomem/memtomem-stm
Short-term memory proxy gateway with proactive memory surfacing for AI agents
obsidian-llm-wiki
Statutecontempt951/obsidian-llm-wiki
Convert your Obsidian markdown vault into a six-persona MCP team for local LLM tools to provide cited, accurate insights.
Memlab
facebook/memlab
A framework for finding JavaScript memory leaks and analyzing heap snapshots
YourMemory
sachitrafa/yourmemory
Agentic AI memory with Ebbinghaus forgetting curve decay. +16pp better recall than Mem0 on LoCoMo.
Mnemo Cortex
guymanndude/mnemo-cortex
Open-source cognitive coprocessor with active memory for AI agents — persistent recall, semantic search, overnight dreaming, verified facts, encrypted USB sync. MCP server; works with Claude, ChatGPT, and any local LLM. Built by one maker and his agents.
Gnosis
nicholasglazer/gnosis-mcp
Zero-config MCP server for searchable documentation (SQLite default, PostgreSQL optional)
wordcell
hraness/wordcell
Wordcell keeps decisions, plans, and sources as Markdown beside your code, so coding agents can find them from the file they are about to change.
iai Personal Memory Engine
codeabra/iai-personal-memory-engine
A cyber brain for your AI. It never forgets a detail, remembers exactly what you said, and learns how you work over time. Free, local, works with Cursor, Claude Code, Codex, OpenClaw, Hermes and more. MIT.
Ditto
ohad6k/ditto
Mine your Claude Code and Codex logs into a local you.md agent profile.
Emulo
ohad6k/emulo
Mine your Claude Code and Codex logs into a local you.md agent profile.
ClawMem
yoloshii/clawmem
On-device memory layer for AI agents. Claude Code, OpenClaw and Hermes. Hooks + MCP server + hybrid RAG search.
Sugar
cdnsteve/sugar
Persistent memory for AI coding agents. Local-first, cross-session context, global knowledge, and optional autonomous task execution.
Sugar
roboticforce/sugar
Persistent memory for AI coding agents. Local-first, cross-session context, global knowledge, and optional autonomous task execution.
Prism
dcostenco/prism-mcp
Persistent session memory for AI coding agents — local-first, with on-device inference, associative recall, and drift detection. Works with Claude Code, Cursor, and Codex.
Prism Coder
dcostenco/prism-coder
Persistent session memory for AI coding agents — local-first, with on-device inference, associative recall, and drift detection. Works with Claude Code, Cursor, and Codex.
Kage
kage-core/kage
Persistent, verified memory for coding agents — so they stop re-explaining your codebase and never act on stale knowledge. Every memory is checked against your actual code; lives in your repo as plain files, shared via git. No account, no DB. Install: npx -y @kage-core/kage-graph-mcp install
Engram Memory
engrammemory/engram-memory-community
The highest-scoring AI memory system ever benchmarked that isn't reliant on LLM reranking. And it's free & burns less tokens.
Engram Memory
engrammemory/engram-memory
The highest-scoring AI memory system ever benchmarked that isn't reliant on LLM reranking. And it's free & burns less tokens.
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