cipher813

Mnemon — AI skill for Claude Code

AI community

Self-hosted, cross-device long-term memory for AI agents via MCP — one vault shared across any MCP client (Claude, Cursor, Gemini CLI, and more).

How to install Mnemon

This entry records only its repository, not the path inside it, so there is no exact command to give. Open cipher813/mnemon and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Mnemon does

Self-hosted, cross-device long-term memory for AI agents via MCP — one vault shared across any MCP client (Claude, Cursor, Gemini CLI, and more). Hybrid semantic + keyword search, your keys, no third-party auth vendor. pip install mnemon-memory

Alternatives in AI

Hindsight — State-of-the-art long-term memory for AI agents by Vectorize 6.7k ★
Nocturne Memory — A lightweight, rollbackable, and visual Long-Term Memory Server for MCP Agents 1.3k ★
Codeseek — Rust-powered code intelligence CLI for AI coding agents 764 ★

README

mnemon

[![Status](https://img.shields.io/badge/status-alpha-orange.svg)](https://github.com/nousergon/mnemon/issues) [![Python](https://img.shields.io/badge/python-3.10+-blue.svg)](https://www.python.org/downloads/) [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](LICENSE) [![MCP](https://img.shields.io/badge/MCP-compatible-blueviolet.svg)](https://modelcontextprotocol.io) [![PyPI](https://img.shields.io/pypi/v/mnemon-memory.svg)](https://pypi.org/project/mnemon-memory/) [![Coverage](https://img.shields.io/badge/coverage-90%25-brightgreen.svg)](https://github.com/nousergon/mnemon/actions/workflows/ci.yml)

One memory vault. Every MCP client. Self-hosted.

**Status:** alpha — interfaces may change. [Issues](https://github.com/nousergon/mnemon/issues) and PRs welcome.

Claude Code, Cursor, claude.ai web/mobile/desktop, Claude Desktop, Gemini CLI — one vault shared across all of them.

mnemon is a [Model Context Protocol](https://modelcontextprotocol.io) server with hybrid BM25 + vector search. Your data stays on your machine or your own Fly app.

**Platforms:** Tested on macOS 14+. Linux should work. Windows untested.

Two product lanes: local and web

Capability	mnemon local	mnemon web
Claude Code (CLI)	✅	✅
Claude Desktop (Mac/Win app)	✅	✅
Cursor	✅	✅
Gemini CLI	✅	✅
Any local MCP client	✅	✅
claude.ai (web)	❌	✅
Claude mobile app	❌	✅
Memory shared across laptop + desktop	❌	✅
Durable off-machine backup	❌ (manual file copy)	✅ (S3)
External accounts required	none	Fly.io + AWS
Credit card required	no	yes (both free tiers)
First-install setup time	~2 min	~15 min
Ongoing cost	$0	~$0 on free tiers
Cold-start latency after idle	none	2–5s

mnemon local — one machine, one or more MCP clients. Zero external accounts. pip install mnemon-memory && mnemon setup.
mnemon web — memory across d