Nexus Catalyst

by nexus-catalyst.com · com.nexus-catalyst/nexus-catalyst

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

Online, needs sign-inRemote
Website
Category
Knowledge and memory
Connection
Remote (HTTP)
Tools
Shown after sign-in
Status
Online, needs sign-in

Connect it to your AI

Claude Code

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

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://mcp.nexus-catalyst.com/

Cursor, VS Code and other apps (mcp.json)

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

Questions

What is the Nexus Catalyst MCP server?

Cross-tool persistent memory and context for AI assistants over MCP. It is made by nexus-catalyst.com and listed in the official MCP Registry as com.nexus-catalyst/nexus-catalyst. MCP (Model Context Protocol) is the open standard that lets AI apps like Claude, ChatGPT and Cursor use outside tools.

How do I add Nexus Catalyst to Claude?

In the Claude app or claude.ai, open Settings, then Connectors, choose "Add custom connector" and paste https://mcp.nexus-catalyst.com/. In Claude Code, run: claude mcp add --transport http nexus-catalyst https://mcp.nexus-catalyst.com/

How do I add Nexus Catalyst to ChatGPT?

ChatGPT can use remote MCP servers as connectors. In ChatGPT settings, under Apps and Connectors, turn on developer mode if asked, create a new connector and paste https://mcp.nexus-catalyst.com/.

How do I add Nexus Catalyst to Cursor?

Open Cursor settings, go to MCP, choose "Add new MCP server" (or edit ~/.cursor/mcp.json) and add: { "mcpServers": { "nexus-catalyst": { "url": "https://mcp.nexus-catalyst.com/" } } }

Does Nexus Catalyst work right now?

It is online and asks you to sign in before it lists its tools, which is normal for servers tied to an account.

Is this your server? Get the badge for your README
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Markdown (GitHub README)

[![Listed on chen.media/mcp](https://chen.media/mcp/badge/com-nexus-catalyst-nexus-catalyst.svg)](https://chen.media/mcp/com-nexus-catalyst-nexus-catalyst)

HTML (switches to dark mode on its own)

<a href="https://chen.media/mcp/com-nexus-catalyst-nexus-catalyst"><picture><source media="(prefers-color-scheme: dark)" srcset="https://chen.media/mcp/badge/com-nexus-catalyst-nexus-catalyst.svg?theme=dark"><img src="https://chen.media/mcp/badge/com-nexus-catalyst-nexus-catalyst.svg" alt="Listed on chen.media/mcp" height="40"></picture></a>

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