Yesterday a free prompt library showed up on r/PromptEngineering. It has 220+ prompts for everyday tasks, development, writing, research and productivity. Step 2 is the twist.
The builder is u/Silentwolf99. The goal is simple: stop people from starting every prompt from a blank page. If you’ve ever stared at an empty chat box and typed “write me a…” before deleting it, you know the problem. The first draft of a prompt is the hardest one, and most of us never get past a vague request that produces a vague answer.
What’s new
The library has 220+ ready-to-use prompts with search and category navigation. You don’t need to register. You open the page and use it. No email wall, no “join the waitlist,” no trial that expires. For a free resource, that alone is worth a bookmark.
The categories cover the stuff most people actually do in a week: everyday tasks like planning and summarizing, development work like debugging and code review, writing, research, and productivity. So you can jump straight to the shelf you need instead of scrolling one giant list.
That part is nice, but plenty of prompt lists already exist.
The twist
This one isn’t only a list to copy from. It has three extras:
- Fill-in-the-blank templates, so you customize a prompt instead of rewriting it
- Curated prompt packs, so related prompts come grouped
- Multi-step prompt workflows, so one prompt hands off to the next
Most libraries stop at “here’s a prompt, good luck.” The templates and workflows are what turn a pile of text into something you can reuse on a Tuesday afternoon.
Here’s why the fill-in-the-blank part matters. A static prompt like “Summarize this article” gives you the same generic output everyone else gets. A template with blanks, like “Summarize this [document type] for [audience] in [number] bullet points, focusing on [goal],” forces you to supply the context the model needs. The structure comes pre-built. The specifics come from you. That’s the leverage: you borrow someone else’s skeleton and add your own muscle.
The multi-step workflows work the same way. Think of a research task. Step one gathers the key questions, step two answers each one, step three turns the answers into a short brief. Each prompt feeds the next, so you stop doing the handoff in your head.
Mini-workflow: how I’d use it
🔍 Search for your task or browse the category (dev, writing, research). If nothing matches exactly, try a neighboring category. A writing template often works for emails, and a research template often works for planning.
✏️ Pick a template and fill in the blanks with your real context. Don’t paste it raw. Add the audience, the format you want back, and one or two constraints like length or tone. Those three details usually do more than any clever wording.
🧩 If the task has several stages, grab a multi-step workflow and run it in order. Read each output before you move to the next prompt. If step one comes back weak, fix it there, because errors compound down the chain.
📦 Check the prompt packs when you’re starting a bigger project. Related prompts are already grouped, so you can run through a whole kit in one sitting instead of hunting for each piece.
Pro tips
- The comments had good ideas. One person suggested tags like #debug, #brainstorm and #story, so you can filter by use case without scrolling. Another suggested a “quick-use” flag for prompts you run daily. If you build your own library, steal both.
- One commenter said that for dev work, prompts for edge-case generation and refactoring legacy code get reused far more than generic boilerplate generators. Specific beats generic.
- Don’t just bookmark it. Copy the three prompts you use weekly into your own notes. A library only helps if you actually go back to it.
- After a prompt works well for you, save your filled-in version next to the original. Next time you’ll start from your version, with your audience and tone already baked in. That’s how a borrowed library becomes your own.
- Test a template on a task you already know the answer to. You’ll see fast whether the output quality holds up before you trust it on something that matters.
I haven’t tested every prompt in there, so treat it as a starting point and not gospel. But it’s free, it’s live, and the builder is asking for feedback right now.
Call to Action
🚀 Try it here: https://wsnh2022.github.io/prompts.html
Then leave the builder a suggestion in the Reddit thread. Which category is missing? What would make a prompt library worth coming back to? Tell me in the comments too. I’m curious what you’d add!
Frequently Asked Questions
Q: How should prompts be tagged so people can find them by use case?
Commenters asked for tags like #debug, #brainstorm, and #story so they can filter by task without scrolling. One user already tags prompts #dev, #writing, and #research and says adding #debug and #brainstorm would have saved a lot of time. Keeping a short set of six to eight use-case tags makes filtering useful without cluttering the library.
Q: Which developer prompts do people actually reuse?
One commenter found that prompts for edge-case generation and refactoring legacy code get reused far more than generic boilerplate generators. Those prompts need real code context, so they save more thinking than a template that produces a skeleton. If you’re browsing dev prompts, look for ones that tackle messy real-world work, like finding edge cases in a function or refactoring an old module step by step.
Q: Is a quick-use flag for daily prompts worth having?
One user suggested marking the prompts they run every day with a quick-use flag. That helps people who already know what they want skip the browsing step. A separate pinned or recently used list could cover the same need without changing how the library is organized.
220+ prompts library Looking for feedback and feature ideas!
by u/Silentwolf99 in PromptEngineering