Plain-markdown second brain for you and your AI: notes, projects, tasks, search, links.
Connect Runs on your machine
claude mcp add big-brain -e BIG_BRAIN_VAULT=<BIG_BRAIN_VAULT> -- npx -y @jzhao234/[email protected]{
"mcpServers": {
"big-brain": {
"command": "npx",
"args": [
"-y",
"@jzhao234/[email protected]"
],
"env": {
"BIG_BRAIN_VAULT": "<BIG_BRAIN_VAULT>"
}
}
}
}{
"mcpServers": {
"big-brain": {
"command": "npx",
"args": [
"-y",
"@jzhao234/[email protected]"
],
"env": {
"BIG_BRAIN_VAULT": "<BIG_BRAIN_VAULT>"
}
}
}
}{
"servers": {
"big-brain": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@jzhao234/[email protected]"
],
"env": {
"BIG_BRAIN_VAULT": "<BIG_BRAIN_VAULT>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
BIG_BRAIN_VAULTRequired | Folder of your vault (an existing Obsidian vault works, or run `big-brain init` first) |
Details
| Package | @jzhao234/[email protected] (NPM, stdio) |
| First published | 15 Oct 2026 |
| Last updated | 15 Oct 2026 |
| Registry name | io.github.jzhao234/big-brain |
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