One membership. Three agents. A daily digest. A private community. All quietly working inside your Obsidian vault.
Three agents, each with a distinct personality and purpose. They write to your vault — you never leave Obsidian.
The Thoughtful Reviewer
Clara reads what you write and reflects it back with depth. She remembers your recurring themes, tracks how your thinking evolves, and notices patterns you might miss. The longer you work together, the better she knows you.
The Idea Generator
Nova is your brainstorming partner. She takes your thoughts and runs with them — proposing novel angles, unexpected connections, and creative possibilities. She doesn't review; she expands.
The Business Advisor
Alex helps you think through projects, side gigs, and entrepreneurial ideas. He brings a practical lens — strategy, feasibility, next steps when you're stuck.
Your membership includes more than just the three sidekicks.
Wake up to a summary of your own thinking — yesterday's highlights, patterns Clara noticed, goal reminders, and inspiration from Nova.
Have a specific request? Write naturally in the Inbox file — 'Can you research decision fatigue?' — and Clara or Nova will respond. No syntax, no commands.
Your journal stays yours. The agents write only in their own folders — separate, organized, easy to ignore when you want to.
A private community for people who think in writing, build with intention, and want better tools for reflection and clarity. Monthly calls, peer support, and shared exploration.
Sidian membership includes access to a private circle for people who think in writing, build with intention, and want better tools for reflection and clarity.
Get help using Sidian more effectively in your real workflow.
Share how you think, plan, and reflect — and learn from how others do the same.
Help shape what Clara, Nova, and Alex become.
Join monthly calls and meetups with people who think for a living.
Writers, researchers, PMs, founders, and other thoughtful builders creating a second brain with intention.
Everything above, included in your annual membership.
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30-day money-back guarantee. If Sidian doesn't transform how you think, we'll refund you.
Price increases as more members join. Lock in the lowest rate by joining early.
