One memory for every AI assistant: plain-markdown notes, projects, and tasks, served over MCP. Works with your Obsidian vault.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add big-brain --env BIG_BRAIN_VAULT='<BIG_BRAIN_VAULT>' -- npx -y @jzhao234/big-brain~/.codex/config.toml
[mcp_servers.big-brain]
command = "npx"
args = ["-y", "@jzhao234/big-brain"]
env = { BIG_BRAIN_VAULT = "<BIG_BRAIN_VAULT>" }
# codex mcp add big-brain --env BIG_BRAIN_VAULT='<BIG_BRAIN_VAULT>' -- npx -y @jzhao234/big-brain~/.cursor/mcp.json
{
"mcpServers": {
"big-brain": {
"command": "npx",
"args": [
"-y",
"@jzhao234/big-brain"
],
"env": {
"BIG_BRAIN_VAULT": "<BIG_BRAIN_VAULT>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"big-brain": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@jzhao234/big-brain"
],
"env": {
"BIG_BRAIN_VAULT": "<BIG_BRAIN_VAULT>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"big-brain": {
"command": "npx",
"args": [
"-y",
"@jzhao234/big-brain"
],
"env": {
"BIG_BRAIN_VAULT": "<BIG_BRAIN_VAULT>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"big-brain": {
"command": "npx",
"args": [
"-y",
"@jzhao234/big-brain"
],
"env": {
"BIG_BRAIN_VAULT": "<BIG_BRAIN_VAULT>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"big-brain": {
"command": "npx",
"args": [
"-y",
"@jzhao234/big-brain"
],
"env": {
"BIG_BRAIN_VAULT": "<BIG_BRAIN_VAULT>"
}
}
}
}Environment variables
BIG_BRAIN_VAULT
Replace the placeholders with your own credentials and keep them out of version control.