Promptster for Cursor

io.github.promptster-dev/promptster

Test and compare prompts across any AI provider. Bring your own keys.

client:Cursor transport:streamable-http

Install Promptster in Cursor

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

{
  "mcpServers": {
    "promptster": {
      "url": "https://www.promptster.dev/mcp"
    }
  }
}

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