Agentic Investing inside Claude and ChatGPT

Claude (web and desktop)

1. 1
   Open Customize, then Connectors.
2. 2
   Click + Add, then Add custom connector.
3. 3
   Name it Acubic, paste the server URL and click Continue.
4. 4
   Keep the detected sign-in settings and click Add.
5. 5
   In a chat, click +, open Connectors and switch Acubic on. Sign in with your Acubic account when Claude asks.

On Team and Enterprise plans an owner adds the connector first, under Organization settings, Connectors. Free accounts can add one custom connector.

ChatGPT

1. 1
   Open Plugins (chatgpt.com/plugins).
2. 2
   Select +, then Add custom MCP server.
3. 3
   Name it Acubic and paste the server URL under Connection.
4. 4
   Choose OAuth sign-in, read the warning and confirm, then select Create as a plugin.
5. 5
   Review the tools ChatGPT found, then sign in with your Acubic account when asked.

Custom MCP servers depend on your ChatGPT plan, and a workspace admin may need to allow them.

Claude Code

1. 1
   Run this command in your terminal:

   claude mcp add --transport http acubic https://mcp.acubic.ai/mcpCopy
2. 2
   Start Claude Code, type /mcp, choose acubic and sign in in your browser.

Cursor

1. 1
   Add Acubic to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (one project):

   {
     "mcpServers": {
       "acubic": {
         "url": "https://mcp.acubic.ai/mcp"
       }
     }
   }

   Copy
2. 2
   Cursor opens the Acubic sign-in when the server first needs it.