Fourth Brain Demo

Notion-backed MCP server for Fourth's marketing knowledge base. Connects Claude.ai to curated marketing content via the Model Context Protocol.

Quick Start

1. Set up Notion

1. Create a Notion Internal Integration at https://www.notion.so/my-integrations

2. Create a parent page and share it with the integration

3. Copy .env.example to .env, add your token and parent page ID

4. Populate the knowledge base:

pip install -r requirements.txt
python populate_notion.py --parent-page <page_id>

5. Copy the database IDs from the output into .env

2. Run locally

python server.py

Server starts at http://localhost:8000/mcp

3. Test with MCP Inspector

fastmcp dev server.py

4. Deploy to Railway

# Push to GitHub
git remote add origin https://github.com/Rev4nchist/fourth-brain-demo.git
git push -u origin main

# Railway auto-deploys from GitHub
# Set env vars in Railway dashboard

5. Connect Claude.ai

1. Go to Claude.ai > Settings > Integrations

2. Add Custom Connector: https://your-app.up.railway.app/mcp

3. Create a Project, upload skills files from skills/

Related MCP server: Claude AI Documentation Assistant

Architecture

Claude.ai  -->  MCP (Streamable HTTP)  -->  Notion API
                     |
              FastMCP Server
              - 5 tools (search, browse, get, ask, list)
              - 3 prompts (product_qa, rfp_draft, meeting_prep)
              - TTL cache (300s)

Tools

Knowledge Domains

Environment Variables

See .env.example for all required variables.