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/

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

Tool	Description
search_knowledge	Search across all 6 knowledge databases
browse_library	Browse knowledge structure by area
get_document	Retrieve full page content
ask_question	RAG-style Q&A with confidence scoring
list_content_areas	List all knowledge domains

Knowledge Domains

Domain	Content
Enterprise Platform	Platform overview, 5 pillars, modules, architecture
Value Propositions	Per-persona value props (CFO/COO/CHRO/CTO/CEO)
Integration Guide	200+ integrations by category
Competitive Positioning	Battle cards, win/loss analysis
RFP Responses	Pre-drafted RFP answers
FAQ & Product Q&A	Common product questions

Environment Variables

See .env.example for all required variables.