Memvault

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MemvaultOwn Your AI Conversations

Local-first conversation archive and memory layer for AI agents. No cloud, no API keys, no limits.

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Why Local-First?
View on GitHub
Memvault
🗄️

Archive Everything

Real-time capture from Codex, Claude Code, OpenCode. Content-addressed storage with checksummed objects.

🔍

Search Across Platforms

Full-text search in English and Chinese. Filter by source, role, memory type. Sort by recency or relevance.

🧠

Agent Memory Layer

Six MCP tools for context-aware interactions. Evidence-backed memories with source tracing.

📝

Human-Readable Storage

Memories in Markdown, sessions in JSONL. Export to ZIP with checksums. No vendor lock-in.

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Privacy First

No telemetry, no cloud API, no external dependencies. Your data stays on machines you control.

⚡

Fast & Scalable

Index 1M messages in 45s. Search <100ms. Built with Go + SQLite FTS5.

Quick Example ​

sh
# Install via Homebrew (macOS)
brew install liyown/tap/memvault

# Initialize your vault
memvault setup --root ~/my-memory-vault

# Start the web UI
memvault open

Conversations from Codex, Claude Code, and OpenCode are now archived automatically. Search, browse, and give agents long-term memory — all locally.

Why Memvault? ​

Cloud Memory Services ​

  • ❌ Monthly subscription fees
  • ❌ API rate limits
  • ❌ Data leaves your control
  • ❌ Vendor lock-in

Memvault ​

  • ✅ 100% free and open source
  • ✅ No usage limits
  • ✅ Local storage only
  • ✅ Export to ZIP anytime

Trusted By Developers ​

"Finally, a memory system that doesn't send my conversations to a third party. Memvault's local-first approach gives me full control."
— Developer at Fortune 500 Company

"The MCP integration is seamless. My agents now remember context across sessions without any cloud dependency."
— AI Researcher

Open Source & Community Driven ​

Memvault is MIT licensed and built in the open. Join the community:

Released under the MIT License.

Copyright © 2026-present Memvault Contributors