PRODUCTIVITY & KNOWLEDGE · WORTH A LOOK
Obsidian
Free, flexible app for your private thoughts; widely used as a Claude 'second brain'.
What Obsidian does
Free, flexible app for your private thoughts; widely used as a Claude 'second brain'. Local markdown note app with sync/publish add-ons. Several saved posts show it with Claude skills for GTM and second-brain setups.
Good for
- Business/GTM knowledge vault for AI agents
- Personal second brain with Claude
Try this in 10 minutes
- Keep Claude Code's memories in an Obsidian vault rather than the default folder. (shown at 0:37 in the video)
- Consolidate fragmented memory files (he went from ~107 to 17). (shown at 1:24 in the video)
- Keep one master .md per project that wiki-links ([[Note]]) to every related note. (shown at 2:24 in the video)
From our fact-or-hype test list for “Claude Code + Obsidian: move your agent's memory into a vault (likely re-upload of @0xrux)”.
Honest take
No red flags in our notes so far
- Fact or hype verdict on Claude Code + Obsidian: move your agent's memory into a vault (likely re-upload of @0xrux): ignore the bait headline; the underlying idea (Claude Code's memory living in an Obsidian vault, with one master file per project, SOP notes for recurring jobs and daily logs) is simple and sensible. Source video
Our Hype or Fact? checks
Worth testing
Pricing
Free; Sync $4/user/mo (yearly; $5 monthly); Publish $8/site/mo (yearly; $10 monthly); Catalyst $25 one-time.
Prices as listed by the maker when we last checked (2026-10-18); usually in US dollars. Check the website for current prices.
Latest update
No major updates recorded since we added it.
Is Obsidian worth it? Quick answers
Is Obsidian worth it?
Obsidian is worth a look if it matches a job you already do (Productivity & knowledge). There is a free tier, so you can test it before paying.
How much does Obsidian cost?
Free; Sync $4/user/mo (yearly; $5 monthly); Publish $8/site/mo (yearly; $10 monthly); Catalyst $25 one-time.
What is Obsidian used for?
Free, flexible app for your private thoughts; widely used as a Claude 'second brain'. Typical uses: business/GTM knowledge vault for AI agents; personal second brain with Claude.