Second Brain Os MCP Server
An AI second brain that maintains itself. Full guide, starter vault, agent skills and scripts for a self-organizing knowledge base in Claude Code and Obsidian.
Second Brain Os is an open-source mcp server by undefined-ui, written mainly in HTML, with 1,169 GitHub stars and the MIT license. Its code was last updated Oct 14, 2026.
Second Brain Os alternatives
View more →Similar mcp servers in Learning Resources, ranked by GitHub stars. Compare licence, recent activity and scan status before you choose.
| Name | Stars | Licence | Last updated | Scan |
|---|---|---|---|---|
| Second Brain Os (this page) undefined-ui | 1.2k | MIT | Oct 14, 2026 | Scanned, no flagged issues |
| Dashboard Icons homarr-labs | 9k | Apache-2.0 | Oct 26, 2026 | Scanned, no flagged issues |
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| MCP Server Guide figma | 2.1k | None found | Oct 28, 2026 | Not scanned yet |
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| MCP MicrosoftDocs | 2k | CC-BY-4.0 | Oct 30, 2026 | Scanned, no flagged issues |