The Prompt Index
Overview
The Prompt Index centralizes 700+ curated prompts for GPT‑4, Claude 4, Gemini, offering tools like Prompt Generator, Optimizer, AI Humanizer, Skill Generator, and an AI Labs sandbox for testing 300+ models. It supports slide generation, CV building, and collaborative sharing.
From the official site
700+ curated AI prompts, 20 AI tools, and a community of 10,000+ prompt engineers. Everything you need to master AI in one place.
The text above is quoted from this tool’s official website — the vendor’s own words.
Key points from the official site
- Prompt Generator - Build prompts with guided frameworks NEW
- Skill Generator - Create SKILL.md bundles NEW
- FREE AI Music Generation
- Free Upscaler
- Signal Scope - AI signal analysis tool NEW
- PDF OCR - Extract text and images Free
The points above are quoted from this tool’s own website sections and feature lists — vendor copy, not our review.
How to use it
- Visit thepromptindex.com and open the search interface
- Describe the need in full sentences, the more specific the better
- Filter and sort the results to focus on the most relevant part
- Organise them into a list and export to begin using them
About CCAIClass
11,637 AI tools across 47 categories, organised by use case, free to browse.
11,637Tools listed
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4,074Free tools