second-brain MCP Server: Install & Setup

Install second-brain in Claude Code

Claude Code

claude mcp add ddmanyes-second-brain -- uvx mcp-second-brain

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "ddmanyes-second-brain": {
      "command": "uvx",
      "args": [
        "mcp-second-brain"
      ]
    }
  }
}

Self-maintaining knowledge vault: figure-level search, auto-wikilinks, and memory compression.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add ddmanyes-second-brain -- uvx mcp-second-brain

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