We’ve all been there. You craft a killer prompt that works perfectly, and then… where do you put it? A Google Doc? A random .txt file on your desktop? A Slack message to yourself that you’ll never find again? The prompt hoarding problem is real, and it only gets worse as your collection grows.
That’s exactly the itch that this Redditor set out to scratch. The creator behind PromptCard.ai built a dedicated prompt library tool because, well, none of the existing options felt right. Sometimes the best projects come from personal frustration, and this one fits that mold perfectly.
What PromptCard.ai Does
At its core, PromptCard.ai is a web-based prompt library. Think of it as a structured place to store, organize, and access your prompts. The author describes it as a work in progress, but the concept is straightforward and fills a gap that many prompt engineers and AI power users run into daily.
Here’s what stands out about the approach:
- Dedicated prompt storage rather than repurposing general note-taking tools
- Google SSO login for quick access without yet another password to manage
- Web-based interface so your prompts are accessible from anywhere
- Card-based organization (the name gives it away) for visual browsing
🔍 The Sign-In Question
The community feedback is worth noting here. The top-voted comment raised a fair concern about signing in with Google. This is a common friction point for indie tools. The original poster kept sign-in simple by using Google SSO, which means no separate account creation. But some users understandably hesitate to connect their Google account to a new, unfamiliar platform.
If you’re privacy-conscious, that’s a valid consideration. The creator seems open to feedback, so alternative auth methods might show up down the road.
🛠️ Where This Fits In the Landscape
There are a few ways people currently manage prompts:
- Plain text files or docs – zero structure, hard to search
- Notion or Obsidian databases – flexible but require manual setup
- Browser extensions – handy but platform-locked
- Built-in prompt libraries in tools like TypingMind or ChatGPT custom instructions
PromptCard.ai takes a different angle by being a standalone, purpose-built tool. It doesn’t try to be a note-taking app or a browser extension. It’s just a prompt library. That focused scope could be its biggest strength as it develops.
⚡ Quick Start
- Head to the PromptCard.ai site (linked in the original Reddit post)
- Sign in with your Google account
- Start building your prompt collection
That’s it. No complex setup, no API keys, no installation.
💡 Pro Tip
If you’re already sitting on a pile of prompts scattered across different tools, this might be the nudge to finally consolidate them. A prompt library gets more valuable the more you use it. Even a basic system beats the “I know I wrote that prompt somewhere” scramble.
Things to Keep in Mind
The author is upfront that this is still a work in progress. That means:
- Features may change or expand
- The tool is actively seeking user feedback
- It’s early-stage, so expect rough edges
- Currently only Google SSO for authentication
The fact that this savvy professional shipped it early and asked for community input is a good sign. Tools built with user feedback tend to evolve in the right direction.
If managing your growing prompt collection has been on your to-do list, this is worth a look. Check out the full discussion on r/PromptEngineering to share your own ideas with the creator or see what others are suggesting.
I needed a good prompt library, so I made one
by u/DarkSolarWarrior in PromptEngineering