Vulcanus

by sunsatosolutions · Memory & Knowledge · ★ 5

Vulcanus is an MCP server by sunsatosolutions. Forge a second brain your AI agents can read — a CLI that generates and validates AI-readable memory vaults. A Sunsato product. It has 5 GitHub stars and ranks #899 of 1287 in Memory & Knowledge by stars.

Category: Memory & Knowledge
Author: sunsatosolutions
GitHub stars: 5
This week: Tracking since 19 Oct 2026
Weekly downloads: 71
Language: TypeScript
License: MIT (open source)
Last update: 2026-10-19 (5 days ago)
Links: Source Website npm

ai-agents
ai-memory
cli
knowledge-management
markdown
obsidian
obsidian-vault
second-brain
agent-memory
claude-code
codex
context-engineering
+4 more

How to install Vulcanus

Vulcanus is published on npm as @sunsato/vulcanus, and it is listed in the official MCP Registry. These steps assume it runs as a local stdio server, which is the usual setup.

Check the README. Confirm the start command and note any API keys or environment variables it needs (pass them with -e KEY=value or an env block). You need Node.js for npx.

Add it to Claude Code from a terminal:

claude mcp add Vulcanus -- npx -y @sunsato/vulcanus

Or add it to Cursor or Claude Desktop in .cursor/mcp.json or claude_desktop_config.json:

{
  "mcpServers": {
    "Vulcanus": {
      "command": "npx",
      "args": [
        "-y",
        "@sunsato/vulcanus"
      ]
    }
  }
}

Restart the client and check it. Run claude mcp list, or open the client's MCP settings, and confirm Vulcanus and its tools are listed. The install guide covers VS Code and Codex.

Also listed in

Maintain this project? Get it featured ($99/mo, pinned at the top of Memory & Knowledge) or see what featuring includes.

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Frequently asked questions

What is Vulcanus?

Vulcanus is an MCP server by sunsatosolutions in the Memory & Knowledge category. Forge a second brain your AI agents can read — a CLI that generates and validates AI-readable memory vaults. A Sunsato product. It has 5 GitHub stars and ranks #899 of 1287 in Memory & Knowledge by stars.

Is Vulcanus free and open source?

Yes. Vulcanus is published under the MIT license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.

What are the alternatives to Vulcanus?

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