Brain MCP Server
MCP server exposing Brain service operations as tools via FastMCP.
Tools
save_to_brain- Save thought with full metadataquick_capture- Quick capture with auto-classificationsearch_brain- Search thoughts by text querylist_recent- List recent entries with filtersget_entry- Fetch specific entry by ID
Transports
- stdio - Local development (default)
- SSE - Remote access via HTTP (with OAuth 2.0 support)
For OAuth configuration and remote access setup, see OAUTH_SETUP.md.
Local Development
# Install dependencies
pip install -r requirements.txt
# Run with stdio transport
python brain_mcp_server.py
# Run with SSE transport
MCP_PORT=8084 MCP_TRANSPORT=sse python brain_mcp_server.py
# Test with MCP inspector
mcp dev brain_mcp_server.py
Docker Deployment
docker compose up -d
Builds from GitHub and runs with SSE transport on port 8084.
Environment Variables
| Variable | Default | Description |
|---|---|---|
| BRAIN_API_BASE | https://n8n.gregslab.org/webhook | n8n Brain webhooks URL |
| BRAIN_API_TIMEOUT | 30.0 | API timeout in seconds |
| MCP_TRANSPORT | stdio | Transport mode (stdio/sse) |
| MCP_PORT | 8084 | SSE server port |
| MCP_HOST | 0.0.0.0 | SSE server host |
| BASE_URL | http://{MCP_HOST}:{MCP_PORT} | Base URL for OAuth metadata |
| OAUTH_ENABLED | false | Enable OAuth (advisory flag) |