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Brain MCP Server

Brain MCP Server

by greghughespdx
OverviewSchemaSourceRelated ServersDiscussionsAdmin
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)

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

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    Resources

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    • brain-assistant

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