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Install in ChatGPT

Works on ChatGPT Desktop (macOS / Windows) and ChatGPT web for Plus, Pro, Business, and Enterprise plans.

1. Open ChatGPT → Settings → Connectors → Advanced settings.
2. Toggle Developer mode ON.
3. Back to Settings → Connectors → click Create.
4. Fill in the form:
   NameThe Big Whale
   MCP Server URLhttps://mcp.thebigwhale.io/mcp
   AuthenticationCustom headers
   Header nameX-API-Key
   Header value__KEY__
5. Click Trust the connector. The 11 TBW tools will load.
6. In a new chat, click + (bottom-left) → Use connectors → enable The Big Whale.

Install in Copilot Studio

Requires a Microsoft Power Platform environment with a Copilot Studio licence.

1. Open (or create) your assistant in Copilot Studio (copilotstudio.microsoft.com) first — the MCP tool is added inside an assistant, not on its own.
2. Inside that assistant, open the Tools tab → Add a tool → New tool → Model Context Protocol.
3. In the wizard, enter the server details — the API key value is NOT entered here (you set it when you create the connection, step 5):
   Server nameThe Big Whale
   DescriptionTBW crypto & digital-asset intelligence (editorial, MiCA regulation, market data, directory)
   Server URLhttps://mcp.thebigwhale.io/mcp
   AuthenticationAPI key
   API key locationHeader
   Header nameX-API-Key
   then click Create (this creates the connector).
4. Add the tool to your assistant. Copilot Studio then prompts you to Create connection.
5. In the connection dialog, paste your API key into the X-API-Key field:
   API key (X-API-Key)__KEY__
6. Create / Test connection → on success the 11 tools import and your assistant can call them.
7. To make it usable in Copilot Chat (and Teams): open the assistant → Channels → publish to Microsoft 365 Copilot. Users then select your assistant inside Copilot Chat to use the tools — the MCP tool is scoped to this assistant, it is not added to the base Copilot Chat automatically.

Gemini CLI & other MCP clients

Most MCP clients support either the SSE or Streamable HTTP transport. Pick the format your client expects:

Gemini CLI

Add to ~/.gemini/settings.json:

Copy{
  "mcpServers": {
    "thebigwhale": {
      "httpUrl": "https://mcp.thebigwhale.io/mcp",
      "headers": {
        "X-API-Key": "__KEY__"
      }
    }
  }
}

Generic SSE client (Cursor, Windsurf, etc.)

Generic HTTP client