Can Claude alone work as a second brain?
may block MCP, which makes tool-based setups . The practical question is whether a personal knowledge system can be built with Claude alone, without adding other programs.
The proposed setup is simple: collect useful material from courses or articles, turn it into Markdown files, and use Claude as the manager of those files. The open issue is whether this can replace Obsidian-style , if the right is designed well enough.
Key points
- can block MCP access.
- The idea is to build a knowledge system without extra apps.
- Courses and articles would be distilled into Markdown files.
- Claude would act as the manager for those files.
- The main question is whether a good can replace an Obsidian-based setup.