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Claude Brain

Portable memory in a single .mv2 file with no database dependencies. Rust-based core with sub-millisecond operations, git-committable and shareable

memoryportablerustcontextcommunity
By memvid
49447Updated 3 months agoTypeScriptMIT

Installation

/plugin marketplace add memvid/claude-brain && /plugin install mind@memvid

Commands

brain:saveSave current context to the .mv2 memory file
brain:loadLoad context from the .mv2 memory file
brain:searchSearch stored memories semantically

How to install

  1. Open Claude Code in your terminal
  2. Run the installation command above
  3. The plugin will be enabled automatically
  4. Use the plugin's features in your Claude Code sessions

README

View on GitHub
<div align="center"> <img src="logo.png" alt="Claude Brain" width="320" />

Give Claude Code photographic memory.

GitHub stars License: MIT

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https://github.com/user-attachments/assets/b57cb3db-576b-4c1f-af92-95796ba3fb5b

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Install in 30 seconds · How it Works · Commands · Full Demo

</div> <br />

The Problem

You: "Remember that auth bug we fixed?"
Claude: "I don't have memory of previous conversations."
You: "We spent 3 hours on it yesterday"
Claude: "I'd be happy to help debug from scratch!"

200K context window. Zero memory between sessions.

You're paying for a goldfish with a PhD.

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The Fix

You: "What did we decide about auth?"
Claude: "We chose JWT over sessions for your microservices.
        The refresh token issue - here's exactly what we fixed..."

One file. Claude remembers everything.

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Installation

# One-time setup (if you haven't used GitHub plugins before)
git config --global url."https://github.com/".insteadOf "git@github.com:"
# In Claude Code
/plugin add marketplace memvid/claude-brain

Then: /plugins → Installed → mind Enable Plugin → Restart.

Done.

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How it Works

After install, Claude's memory lives in one file:

your-project/
└── .claude/
    └── mind.mv2   # Claude's brain. That's it.

No database. No cloud. No API keys.

What gets captured:

  • Session context, decisions, bugs, solutions
  • Auto-injected at session start
  • Searchable anytime

Why one file?

  • git commit → version control Claude's brain
  • scp → transfer anywhere
  • Send to teammate → instant onboarding
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Commands

In Claude Code:

/mind stats                       # memory statistics
/mind search "authentication"     # find past context
/mind ask "why did we choose X?"  # ask your memory
/mind recent                      # what happened lately

Or just ask naturally: "mind stats", "search my memory for auth bugs", etc.

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CLI (Optional)

For power users who want direct access to their memory file:

npm install -g memvid-cli
memvid stats .claude/mind.mv2           # view memory stats
memvid find .claude/mind.mv2 "auth"     # search memories
memvid ask .claude/mind.mv2 "why JWT?"  # ask questions
memvid timeline .claude/mind.mv2        # view timeline

Full CLI reference →

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FAQ

<details> <summary><b>How big is the file?</b></summary>

Empty: ~70KB. Grows ~1KB per memory. A year of use stays under 5MB.

</details> <details> <summary><b>Is it private?</b></summary>

100% local. Nothing leaves your machine. Ever.

</details> <details> <summary><b>How fast?</b></summary>

Sub-millisecond. Native Rust core. Searches 10K+ memories in <1ms.

</details> <details> <summary><b>Reset memory?</b></summary>

rm .claude/mind.mv2

</details> <br />
<div align="center">

Built on memvid - the single-file memory engine

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If this saved you time, star the repo

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Send me your .mv2 file and I'll tell you what's wrong with your code. No context needed - I already know everything.

</div>
View source on GitHub

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