AI-powered prompt refinement with adaptive questioning and multi-provider support (6+ LLM backends)
To add Promptheus to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 8 environment variables, listed below.
Install
uvx promptheus@0.3.1Environment variables
GOOGLE_API_KEYSet in your MCP configANTHROPIC_API_KEYSet in your MCP configOPENAI_API_KEYSet in your MCP configGROQ_API_KEYSet in your MCP configQWEN_API_KEYSet in your MCP configGLM_API_KEYSet in your MCP configPROMPTHEUS_PROVIDERSet in your MCP configPROMPTHEUS_MODELSet in your MCP configInstall with your client
claude mcp add promptheus --env GOOGLE_API_KEY=<YOUR_GOOGLE_API_KEY> --env ANTHROPIC_API_KEY=<YOUR_ANTHROPIC_API_KEY> --env OPENAI_API_KEY=<YOUR_OPENAI_API_KEY> --env GROQ_API_KEY=<YOUR_GROQ_API_KEY> --env QWEN_API_KEY=<YOUR_QWEN_API_KEY> --env GLM_API_KEY=<YOUR_GLM_API_KEY> --env PROMPTHEUS_PROVIDER=<YOUR_PROMPTHEUS_PROVIDER> --env PROMPTHEUS_MODEL=<YOUR_PROMPTHEUS_MODEL> -- uvx promptheus@0.3.1
Run this in a terminal to add the server to Claude Code.
What this does
Promptheus exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
GOOGLE_API_KEY ANTHROPIC_API_KEY OPENAI_API_KEY GROQ_API_KEY QWEN_API_KEY GLM_API_KEY PROMPTHEUS_PROVIDER PROMPTHEUS_MODEL
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install Promptheus?
Run the Claude Code command in the install section to add Promptheus to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with Promptheus?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to Promptheus as well.
Does Promptheus need an API key?
Yes. Before it can run, set these environment variables: GOOGLE_API_KEY, ANTHROPIC_API_KEY, OPENAI_API_KEY, GROQ_API_KEY, QWEN_API_KEY, GLM_API_KEY, PROMPTHEUS_PROVIDER, PROMPTHEUS_MODEL. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
Is this your MCP server?
Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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