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Brain MCP Server

by greghughespdx
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Python
Hybrid

Brain MCP Server

MCP server exposing Brain service operations as tools via FastMCP.

Tools

  • save_to_brain - Save thought with full metadata

  • quick_capture - Quick capture with auto-classification

  • search_brain - Search thoughts by text query

  • list_recent - List recent entries with filters

  • get_entry - Fetch specific entry by ID

Related MCP server: TheBrain MCP Server

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)

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

ActivityInactive
ResponsivenessNo issues

Resources

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