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One brain, or two tools
Most setups give the person and the agent different homes for the same thinking. Here is the honest difference.
This page describes trade-offs, not verdicts. Obsidian, Notion and the cloud AI notebooks are good products; each is just built around a different idea of where your notes live and who gets to work on them.
| One brain, or two tools | Monet | Obsidian | Notion | Cloud AI notebook |
|---|---|---|---|---|
| Where the notes live | Plain .md files in your folder | Plain .md files in your folder | A proprietary cloud database | Someone else’s servers |
| Reading without the app | Any editor, any year | Any editor, any year | Export required | Export required |
| Agents drive the engine | Yes — CLI and MCP with schemas, first-class | Only through interface-driving plugins | Limited API | Chat-level only |
| Agent skills | Generated from the commands, always in sync | Community prompt packs | — | Prompts |
| Works offline | Fully | Fully | Partially | No |
| Interactive graph | Yes | Yes | Weak | — |
| Account required | No | No | Yes | Yes |
| Price | Free, MIT | Free (paid add-ons) | Freemium | Subscription |
The difference, in one line
Monet does not ask you to leave your files, your folder or your offline afternoon. It adds the other reader your notes deserve: an agent, working on the same brain, under the same rules.
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