Brain3

Verified Integration

Author: @storing•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect Brain3 to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "brain3": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-brain3"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Integrate personal markdown notes with AI assistants for seamless retrieval and storage.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Brain3

Brain3 is a productivity tool that integrates your personal, local markdown notes with popular AI assistants like ChatGPT and Claude. It allows you to seamlessly retrieve and store information from your notes directly within your AI conversations.

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