TL;DR
Promptster is a Model Context Protocol (MCP) server. Test and compare prompts across any AI provider. Bring your own keys. Install with: Remote MCP: https://www.promptster.dev/mcp. Source: https://github.com/promptsterhq/promptster. It speaks the Model Context Protocol and works with any compatible client (Claude, Cursor, Cline, Windsurf, Warp and more).
Promptster
Test and compare prompts across any AI provider. Bring your own keys.
Install Command
Remote MCP: https://www.promptster.dev/mcpFrequently Asked Questions
Promptster is a Model Context Protocol server that Test and compare prompts across any AI provider. Bring your own keys.
You can install it by running the install command: `Remote MCP: https://www.promptster.dev/mcp`. It then becomes available to any MCP-compatible client such as Claude, Cursor, Cline, Windsurf.
The Promptster MCP Server is compatible with any client that speaks the Model Context Protocol — including Claude, Cursor, Cline, Windsurf.
Check the project license on its repository before use.
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- License
- Last Updated
- Aug 11, 2026
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Client Compatibility
Speaks the Model Context Protocol — works with any compatible client.