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Test and compare prompts across any AI provider. Bring your own keys.
npx @getmcp/cli add io.github.promptster-dev/promptsterRequires Node.js 18+. Community-contributed server. Review source before installing.
AuthorizationPromptster API key (pk_live_...) from promptster.dev/developer/api-keys
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.github.promptster-dev/promptster": {
"url": "https://www.promptster.dev/mcp",
"transport": "streamable-http",
"headers": {
"Authorization": ""
}
}
}
}