io.github.promptster-dev/promptster icon
io.github.promptster-dev

promptster

Promptster

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

Hosted
Streamable HTTPofficialservice

Deployment

Hosted
streamable-httphttps://www.promptster.dev/mcp
Headers
AuthorizationRequired
Promptster API key (pk_live_...) from promptster.dev/developer/api-keys