nucleus

About nucleus

Use nucleus with your agent

claude mcp add nucleus -- npx -y nucleus-mcp

{
  "mcpServers": {
    "nucleus": {
      "command": "npx",
      "args": [
        "-y",
        "nucleus-mcp"
      ]
    }
  }
}

Frequently asked questions

What is nucleus?

nucleus is an MCP (Model Context Protocol) server by eidetic-works in the Knowledge & Memory category. MCP server for persistent memory, execution verification, governance, and compliance.

How do I connect nucleus to Claude, Cursor, or another MCP client?

Install nucleus from its npm package (nucleus-mcp) and register it under "mcpServers" in your client's MCP configuration — for example claude_desktop_config.json or Cursor's mcp.json — then restart the client.

Is nucleus open source?

Yes — the source code is public at github.com/eidetic-works/nucleus-mcp, with 2 GitHub stars.

Can AI agents pay to use nucleus?

Not yet through Loomal — nucleus is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.