Personal wiki and memory for AI assistants: store, search, and recall structured notes.
To add brains to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 8 environment variables, listed below.
Install
npx -y brains-mcp@1.101.0Environment variables
WIKI_DIRSet in your MCP configSTORAGE_BACKENDSet in your MCP configGOOGLE_CLIENT_IDSet in your MCP configGOOGLE_CLIENT_SECRETSet in your MCP configGOOGLE_REFRESH_TOKENSet in your MCP configDRIVE_FOLDER_IDSet in your MCP configSUPABASE_URLSet in your MCP configSUPABASE_SERVICE_ROLE_KEYSet in your MCP configInstall with your client
claude mcp add brains --env WIKI_DIR=<YOUR_WIKI_DIR> --env STORAGE_BACKEND=<YOUR_STORAGE_BACKEND> --env GOOGLE_CLIENT_ID=<YOUR_GOOGLE_CLIENT_ID> --env GOOGLE_CLIENT_SECRET=<YOUR_GOOGLE_CLIENT_SECRET> --env GOOGLE_REFRESH_TOKEN=<YOUR_GOOGLE_REFRESH_TOKEN> --env DRIVE_FOLDER_ID=<YOUR_DRIVE_FOLDER_ID> --env SUPABASE_URL=<YOUR_SUPABASE_URL> --env SUPABASE_SERVICE_ROLE_KEY=<YOUR_SUPABASE_SERVICE_ROLE_KEY> -- npx -y brains-mcp@1.101.0
Run this in a terminal to add the server to Claude Code.
What this does
brains exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
WIKI_DIR STORAGE_BACKEND GOOGLE_CLIENT_ID GOOGLE_CLIENT_SECRET GOOGLE_REFRESH_TOKEN DRIVE_FOLDER_ID SUPABASE_URL SUPABASE_SERVICE_ROLE_KEY
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install brains?
Run the Claude Code command in the install section to add brains to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with brains?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to brains as well.
Does brains need an API key?
Yes. Before it can run, set these environment variables: WIKI_DIR, STORAGE_BACKEND, GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, GOOGLE_REFRESH_TOKEN, DRIVE_FOLDER_ID, SUPABASE_URL, SUPABASE_SERVICE_ROLE_KEY. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
Is this your MCP server?
Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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