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Plain-markdown second brain for you and your AI: notes, projects, tasks, search, links.
npx @getmcp/cli add io.github.jzhao234/big-brainRequires Node.js 18+. Community-contributed server. Review source before installing.
BIG_BRAIN_VAULTFolder of your vault (an existing Obsidian vault works, or run `big-brain init` first)
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.github.jzhao234/big-brain": {
"command": "npx",
"args": [
"-y",
"@jzhao234/big-brain",
"mcp"
],
"env": {
"BIG_BRAIN_VAULT": ""
}
}
}
}Reasonbook: decisions that survive the session, in a local record AI agents keep.
Start Claude Code and Codex agents the person can watch, wait for them and read their answers.
Turn any idea, URL, doc, or PDF into on-brand visuals: 100+ formats, native in 150+ languages
Turn footage into finished video: reframing, captions behind the subject, motion graphics, renders.