PromptMafia
A free, no-signup directory of 100+ real AI prompts from founders, each shown with its actual output and a link to the original source post.
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PromptMafia is the right first stop for a developer or indie founder who wants to copy a prompt that someone already shipped something with, not a prompt that sounds plausible in theory. The library tops out at 100 prompts for now, which is thin compared to larger repositories, and the model coverage skews heavily toward Claude and Midjourney with sparser entries for GPT, Sora, and Veo. If you need a personal prompt library you can save, organize, and version, look elsewhere.
What is PromptMafia?
PromptMafia is a free, web-based directory of AI prompts sourced from founders and developers who shared their work publicly on X. Each entry displays the prompt, the result it produced, the author's handle, and a link to the original post, so users can evaluate real outputs before copying anything. The directory spans multiple models including Claude, Midjourney, GPT, Gemini, Sora, Veo, Flux, and Cursor, with categories covering design, development, video and motion, content, productivity, and research.
The site requires no account or signup and is entirely free to use. It accepts community prompt submissions and displays per-prompt usage counts to surface what other users find most valuable. With 100 prompts in the current catalog, it is positioned as a curated starting point rather than an exhaustive repository, targeting builders who want proven, source-attributed prompts rather than generic template collections.
How we scored PromptMafia
Ease of use scores near the top because the site genuinely has zero friction: no account, no paywall, copy in one click. Value is similarly high because the tool is entirely free with no hidden tiers. Capability lands in the mid-teens because 100 prompts is a thin catalog, model coverage outside Claude and Midjourney is sparse, and there is no save, organize, or version functionality that would make it useful beyond a one-time lookup. Delivery drops sharply to 3 because no independent user reviews, third-party coverage, or verifiable usage data could be found during research; the only usage signal is the site's own counter, and the social search failed entirely, leaving the tool's real-world traction unverifiable. A directory with no external validation and no confirmed social presence cannot score higher on delivery regardless of how clean the concept is.
Pros and cons
What we liked
- Every prompt is source-attributed with a link to the original X post, so you can verify context and follow the author, not just copy blindly.
- Zero friction: no account, no signup, no paywall. Copy any of the 100 prompts in seconds.
- Usage counts per prompt (the top entry shows 241,400 uses) give a real signal of community validation without requiring reviews or ratings.
Where it falls short
- The catalog is capped at 100 prompts at launch, which is thin for anyone who needs coverage beyond Claude and Midjourney use cases; GPT, Sora, and Veo entries are sparse by comparison.
- No personal library, saving, tagging, or versioning. Once you copy a prompt, PromptMafia has no further role in your workflow, which limits its usefulness for repeat users who want to build on what they find.
- The entire catalog depends on founders sharing prompts publicly on X, so quality and coverage are hostage to what that specific community decides to post; there is no editorial process for prompt accuracy or reproducibility.
Key features
PromptMafia pricing
Fully free. No signup, no paid tiers, no credits system. Every prompt on the site is accessible without an account.
| Plan | Price | Who it is for |
|---|---|---|
| Free | Free | Full access to all 100+ prompts across all models and categories. No account required, no usage limits, no paid upgrade path currently listed on the site. |
Pricing reflects what we saw at time of review (2026-10). Always confirm current pricing on the tool's own site.
Who should use PromptMafia?
A solo developer building a SaaS landing page in an afternoon, a designer looking for a Midjourney recipe that someone already validated, or a founder who wants to see what Claude can actually produce for a specific task before committing time to prompt engineering. The source-attribution model means you can trace any prompt back to the person who used it, which is useful if you want to follow up or understand the context.
If you need to manage your own prompt library, share prompts with a team, or work across models beyond Claude and Midjourney at any depth, PromptMafia will leave you short. Notion AI is a better fit if your prompts live inside a broader workspace you already use for notes and docs. FutureStoreAI covers a wider surface area of AI tools and models if you want a single place to discover and experiment rather than just copy.
Skip it if: Anyone who needs to save, organize, or version their own prompt collection.
Frequently asked questions
Do I need to create an account to use PromptMafia?+
No. Every prompt on the site can be viewed and copied without signing up or providing an email address.
How many prompts are in the directory?+
The site currently lists 100 prompts. The catalog accepts community submissions, so the count is expected to grow over time.
Which AI models are covered?+
The directory includes prompts for Claude, Opus, GPT, Veo, Midjourney, Sora, Flux, Gemini, and Cursor. Claude and Midjourney have the most entries at launch.
What does it cost?+
Nothing. PromptMafia is entirely free with no paid tiers listed on the site as of October 2026.
Can I save prompts or build a personal library inside PromptMafia?+
No. The site has no save, tag, or personal library feature. You copy the prompt and manage it yourself from there.
How do I know a prompt actually works?+
Each entry shows the output the prompt produced and credits the original author with a link to their X post, so you can inspect the real result and trace it back to the person who ran it.
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