Fourth Brain
An MCP server that connects Claude.ai to a Notion-based marketing knowledge base, enabling search and retrieval across specialized domains like enterprise platforms and competitive positioning. It provides tools for RAG-style Q\\&A and content browsin
What is Fourth Brain?
Fourth Brain is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to mcp server that connects claude.ai to a notion-based marketing knowledge base, enabling search and retrieval across specialized domains like enterprise platforms and competitive positioning. it provid...
An MCP server that connects Claude.ai to a Notion-based marketing knowledge base, enabling search and retrieval across specialized domains like enterprise platforms and competitive positioning. It provides tools for RAG-style Q\\&A and content browsin
This server falls under the Knowledge & Memory category on MCPgee, the world's largest MCP server directory with 33,000+ servers.
Features
- An MCP server that connects Claude.ai to a Notion-based mark
Use Cases
Maintainer
Works with
Installation
Manual Installation
npx fourth-brain-demoConfiguration
Configuration Details
claude_desktop_config.json
Performance
Response Metrics
Resource Usage
Frequently Asked Questions about Fourth Brain
What is Fourth Brain?
Fourth Brain is a Model Context Protocol (MCP) server that mcp server that connects claude.ai to a notion-based marketing knowledge base, enabling search and retrieval across specialized domains like enterprise platforms and competitive positioning. it provides tools for rag-style q\\&a and content browsin It connects AI assistants to external tools and data sources through a standardized interface.
How do I install Fourth Brain?
Follow the installation instructions on the Fourth Brain GitHub repository. Clone the repo, install dependencies, and add the server config to your AI client.
Which AI clients work with Fourth Brain?
Fourth Brain works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.
Is Fourth Brain free to use?
Yes, Fourth Brain is open source and available under the MIT license. You can use it freely in both personal and commercial projects.
Fourth Brain Alternatives — Similar Knowledge & Memory Servers
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Memu
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MemOS
★ 9.3kMemOS (Memory Operating System) is a memory management operating system designed for AI applications. Its goal is: to enable your AI system to have long-term memory like a human, not only remembering what users have said but also actively invoking, u
Everos
★ 5.4kBuild, evaluate, and integrate long-term memory for self-evolving agents.
Browse More Knowledge & Memory MCP Servers
Explore all knowledge & memory servers available in the MCPgee directory. Each server includes setup guides for Claude, Cursor, and VS Code.
Set Up Fourth Brain in Your Editor
Choose your AI client for step-by-step setup instructions.
Quick Config Preview
Add this to your claude_desktop_config.json or .cursor/mcp.json
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