Obsidian Codex Mcp vs Nucleus Mcp

Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.

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Obsidian Codex Mcp
dot-RealityTest
🧠 Knowledge & Memory
Nucleus Mcp
eidetic-works
🧠 Knowledge & Memory
SummaryLocal-first Obsidian vault MCP server for Codex, Claude Desktop, and other MCP clients. Works directly with markdown files, no Obsidian plugin, API key, cloud service, or running Obsidian app required. Includes read-only mode, backup-on-write, path isolation, and setup examples.Sovereign Agent OS — persistent memory, governance, and audit trails for AI agents. One brain for Cursor, Claude Code, Windsurf, and Gemini. Local-first .brain/ directory with engrams, hypervisor file protection, and optional remote sync. pip install nucleus-mcp or Streamable HTTP at relay.nucleusos.dev.
Quality signal25/100 (Emerging)24/100 (Emerging)
Install pathpip · highuvx · high
Engagement 0 0 0 9 0 0 0 4
ToolsNot listed yetNot listed yet
Verified / officialNoNo
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