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Use Cursor when Fortress should be available to Cursor Agent in one project or across the editor.

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Choose scope

ScopeFile
Global~/.cursor/mcp.json
Project.cursor/mcp.json
Use global config for a personal Fortress token. Use project config only when you are sure the file will not be committed with secrets.

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Add Fortress

Generate a Cursor setup snippet in Fortress and paste it into the chosen mcp.json file: 
{
  "mcpServers": {
    "fortress-agent": {
      "url": "https://api.fortressproductivity.com/mcp?agent_id=<agent-id>",
      "headers": {
        "Authorization": "Bearer ft_<token>"
      }
    }
  }
}
Cursor also supports environment interpolation in url and headers, so you can move the token to your shell environment: 
{
  "mcpServers": {
    "fortress-agent": {
      "url": "https://api.fortressproductivity.com/mcp?agent_id=<agent-id>",
      "headers": {
        "Authorization": "Bearer ${env:FORTRESS_TOKEN_AGENT}"
      }
    }
  }
}

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Verify

Restart Cursor if the server does not appear, enable the Fortress tools, and ask the agent to read fortress://workspace/overview. See Cursor’s MCP documentation.