Use the official PromptGPT Model Context Protocol (MCP) streamable connector to craft, optimize, expand, and shorten prompts natively inside Claude, ChatGPT, Cursor, and custom agents.
Optimize prompts for writing, Midjourney, and coding directly inside Anthropic Claude.
In Claude.ai, open Settings ➔ Plugins (or Customize), and click on Add Connector or Add Marketplace.
Paste the streamable MCP connector address:
https://promptgpt.io/mcp
In your chat, type: "Optimize this prompt using PromptGPT: 'Design a sleek mobile app login screen.'"
claude_desktop_config.json):
{
"mcpServers": {
"promptgpt": {
"type": "streamable-http",
"url": "https://promptgpt.io/mcp"
}
}
}
Use PromptGPT directly in your everyday ChatGPT conversations.
Search for "PromptGPT - Generate and Optimize Prompts" in the official OpenAI GPT Store and start chatting instantly.
If building your own Custom GPT, import our production OpenAPI schema at:
https://promptgpt.io/api/v1/openapi.json
Add the PromptGPT Agent Plugin directly with Streamable HTTP MCP support. Supports Google login authentication.
Let your coding AI generate robust, bug-free specifications, architecture prompts, and unit test requirements.
PromptGPTsse or streamable-httphttps://promptgpt.io/mcpAuthorization: Bearer YOUR_API_KEYExperience high-leverage prompt engineering without switching tabs or context.
Optimize and refine your prompts directly inside Claude or ChatGPT. No copying and pasting back and forth between multiple windows.
Automatically inject cinematic aspect ratios (--ar), lighting, lenses, negative prompts, and strict technical constraints into every generation.
Sign in with Google via OAuth 2.0 or use your private API Key. Credits sync seamlessly across Web, Chrome Extension, and MCP Connectors.
Create your PromptGPT account today and get welcome credits to start generating world-class prompts natively.