Nexus Catalyst MCP Server: Install & Setup

Install Nexus Catalyst in Claude Code

Claude Code

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

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

{
  "mcpServers": {
    "nexus-catalyst": {
      "url": "https://mcp.nexus-catalyst.com"
    }
  }
}

Frequently asked questions

What does the Nexus Catalyst MCP server do?

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

Is the Nexus Catalyst MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Nexus Catalyst run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Nexus Catalyst to Claude Code?

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

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