Enables Claude to recall context from a merged knowledge graph of your Obsidian vault and code projects, providing tools to search, find neighbors, and discover paths before editing files. Works offline by reading a local brain.json.
Not monetized yet
Turn c2b’s tool calls into revenue: one disclosed sponsored slot, 70% revenue share, fail-open by design.
Install c2b
For anyone using c2b — no Lulu account needed# stdio server — install per the repository README: https://github.com/dizeldz20-ux/claude-second-brain
Real-time weather for any city, built on the lulu-ads widget gallery. First-party, free forever.
View server →FAQ
c2b installs from source — follow the repository README.
Unrated out of 100, computed from cross-registry traction signals (installs, stars, registry presence) — never influenced by sponsorship.
Similar servers
Works well together
Your server?
This is for the person who owns c2b — adds Lulu Ads to your own code. Not the install steps above, those are for your users.
Copies a ready prompt: your coding agent installs the lulu-ads SDK, wires the slot, and applies the widget design guide.
or set up manually at getlulu.dev/publishers
Get verified so you can edit the page. Your badge is already live below — no claim needed for that.
Managed hosting with monetization built in — waitlist.
[](https://getlulu.dev/mcps/c2b)