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m3-memory
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m3-memory

Active·★ 29·Apache-2.0·Updated 2026-10-19

M3 Memory provides persistent, local memory for MCP agents using SQLite, hybrid retrieval, and optional cross-device sync. It stores facts, decisions, and preferences across sessions, with contradiction handling and knowledge graph features. It works offline and integrates with Claude Code, Gemini CLI, and other MCP-compatible agents.

#agentic-memory#ai-agents#ai-memory#aider#claude-code#gdpr#gemini
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Guides
#gemini-cli
$ Install
$ curl -fsSL https://raw.githubusercontent.com/skynetcmd/m3-memory/main/install.sh | bash
↗ Visit site★ GitHub
01

Features

01Persistent memory across sessions
02Hybrid retrieval (FTS5 + vector + MMR)
03Contradiction detection and automatic supersession
04Knowledge graph with entity extraction
05Optional cross-device bi-directional sync
02

Compatibility

macOS
macOS
Verified via docs
Linux
Linux
Verified via docs
Windows
Windows
Verified via docs
03

Quick start

1
$ curl -fsSL https://raw.githubusercontent.com/skynetcmd/m3-memory/main/install.sh | bash
04

Use cases

↳Coding agents like Claude Code or Gemini CLI need persistent memory across sessions
↳Multi-agent teams sharing a local memory store with handoffs and scoping
↳Developers requiring local-first memory with optional sync across devices
05

Alternatives

⚡Top VS:
VSTrueMemory★382→VSiai-mcp★911→VSsuperlocalmemory★255→

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On this page
01Features02Compatibility03Quick start04Use cases05Alternatives
VS
ClawMem
★212
→
TrueMemory logo
TrueMemory★ 382
A living memory system that ingests long-horizon data to infer insights, enabling more decisive action, all while running on a single SQLite file locally.
VSCompare→
iai-mcp logo
iai-mcp★ 911
The best-benchmarked open-source memory system for AI coding assistants
VSCompare→
superlocalmemory logo
superlocalmemory★ 255
World's first local-only AI memory to break 74% retrieval and 60% zero-LLM on LoCoMo. No cloud, no APIs, no data leaves your machine. Additionally, mode C (LLM/Cloud) - 87.7% LoCoMo. Research-backed. arXiv: 2603.14588
VSCompare→
ClawMem logo
ClawMem★ 212
On-device context engine and memory for AI agents. Claude Code, Hermes and OpenClaw. Hooks + MCP server + hybrid RAG search.
VSCompare→
yantrikdb-server logo
yantrikdb-server★ 176
Cognitive memory database for AI agents — consolidates duplicates, detects contradictions, fades stale memories via temporal decay. Rust, AGPL, ships as library / MCP server / HTTP cluster.
VSCompare→
pensyve logo
pensyve★ 97
Universal memory runtime for AI agents
VSCompare→
nexo logo
nexo★ 27
NEXO Brain — Shared brain for AI agents. Persistent memory, semantic RAG, natural forgetting, metacognitive guard, trust scoring, 150+ MCP tools. Works with Claude Code, Codex, Claude Desktop & any MCP client. 100% local, open source, free.
VSCompare→
vir logo
vir★ 20
An LLM Wiki for Claude Code, in your Obsidian vault.
VSCompare→
See all alternatives →
skynetcmd /
m3-memory
↗

Local-first Agentic Memory Layer Framework for MCP Agents and Multiple Computers • Over 60 tools • Hybrid search (FTS5 + vector + MMR) • GDPR • 100% local

29Apache-2.0
Last commit4d ago
StatusActive
CategoryRAG / Knowledge Base
Links
Documentation↗Discussion↗Issues↗Releases↗
Cloud Infrastructure
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