How do I install Nexus Catalyst?

Copy the http config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does Nexus Catalyst need an API key?

No required environment variable is listed on this record.

What transport does Nexus Catalyst use?

Nexus Catalyst is reached over HTTP.

When was Nexus Catalyst last checked?

Last checked 2026-10-16. Cross-tool persistent memory and context for AI assistants over MCP.

Nexus Catalyst

by com.nexus-catalyst

Cross-tool persistent memory and context for AI assistants over MCP.

Power your agent

Add this server

The publisher's own URL. Not a PlugMCP endpoint.

Server URL

https://mcp.nexus-catalyst.com

Provider

Add in Claude

Claude opens with the name and URL filled in. You still confirm it there.

Claude Code

claude mcp add --transport http com.nexus-catalyst-nexus-catalyst https://mcp.nexus-catalyst.com

Run in a terminal.

Claude Desktop

{
  "mcpServers": {
    "com.nexus-catalyst-nexus-catalyst": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://mcp.nexus-catalyst.com"
      ]
    }
  }
}

claude_desktop_config.json

Step-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

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