Cursor

Ephemeral for Cursor

al.ephemer/ephemeral

Run AI agent tasks in isolated sandboxes with a cost cap, saved workflows and scoped connections.

client:Cursor transport:streamable-http tools:19

Install Ephemeral in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

{
  "mcpServers": {
    "ephemeral": {
      "url": "https://app.ephemer.al/mcp"
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

What Cursor can do once it is connected

Ephemeral in other clients

Ephemeral MCP server