Manav Sethi

PromptForge - The ultimate prompt engineering workbench

AI prompt engineering workbench for crafting, testing, and systematically evaluating prompts with powerful analysis tools. - insaaniManav/prompt-forge

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Manav Sethi
Hey Product Hunt! I built PromptForge because I was tired of the endless trial-and-error cycle of prompt engineering. As someone who works with AI daily, I found myself constantly tweaking prompts, losing track of what worked, and having no systematic way to evaluate improvements. The problem: Most prompt tools are just fancy text editors. You write, you test, you hope for the best. But there's no real engineering discipline. What makes PromptForge different: Systematic evaluation - Generate comprehensive test suites automatically Built-in analytics - Track what actually works across different scenarios Variable testing - Test edge cases, robustness, and consistency Prompt library - Never lose a working prompt again Dual analysis - AI-powered feedback on your prompts before you even test them Why I built it: I wanted to bring the same rigor to prompt engineering that we have in software engineering - version control, testing, systematic improvement. Currently supporting Claude, GPT-4, and Azure OpenAI with more providers coming soon. Docker deployment makes it dead simple to get started. What would you want to see in a prompt engineering tool? Always looking for feedback from fellow AI builders!
Django vinci

@insaanimanav nice work. Good luck.

Smart name tag.

Manav Sethi

@django_vinci Haha thanks

Dan League

@insaanimanav  awesome idea, thanks for sharing. when will this be ready for actual use?

Manav Sethi

@the_league Its out right now you can clone the repository and use the setup instructions to start using it

Chris Messina
Ambassador

This is cool — would love to be able to run it locally and use @LM Studio or @Ollama for inference. Would that be possible? (I also have Docker installed but it'd be nice to avoid unnecessary $$ cloud bills)

Manav Sethi

@chrismessina Thanks, Love this feedback! Local inference is definitely on the roadmap!

The Docker setup already runs locally - you just need to plug in your API keys. But adding LM Studio/Ollama support would be AMAZING for cost-free local inference!

Would you prefer Ollama integration first? And what models are you running locally? Always looking to prioritize based on real usage!

Thanks for the great suggestion!

Adhil sha
Awesome 🚀. Congrats on the launch @insaanimanav
Manav Sethi

@adhil_sha Thanks Man

Nishant Arora

This is great! Congratulations on the launch @insaanimanav

Manav Sethi

@nshntarora Thanks

Manav Sethi

For everyone checking out the demo - what surprised you most?

And what feature should we prioritize next? Your feedback shapes our roadmap! 🚀

Khiêm

@insaanimanavNice one!! i've upvoted your product and try it out, awesome. We will launch our AI product soon, hope you'll upvote for us too!! 

Manav Sethi

@khiemlee Thank you! 🚀 It's been an incredible journey building this. I'll surely checkout what you are releasing . Btw what kind of prompts do you work with most? Code, creative writing, data analysis? Always looking to improve the tool based on real use cases! ✨

James Lau

@insaanimanav I played with this a little bit the UI is a bit confusing to me. After you generate the evals, I was expecting to be able to save the tests and re-run them but I couldn't figure out how to do that. Is that supported?

Sumit Goel
I can see the future where every second person tomorrow will be the prompt engineer. So product like promptforge is the need for today . I would be love to try and be a user for promptforge ❤️
Manav Sethi

@sumitgoel Love this perspective! You're absolutely right - prompt engineering is becoming a core skill across industries!

Just like how everyone learned Excel or basic coding, systematic prompt engineering will be essential. That's exactly why I wanted to make it accessible with AI assistance and structured testing - democratizing what's currently an art form!

Would love to have you as a user! Try the demo and let me know what you think - especially curious about your experience with the AI-guided prompt generation vs the testing features!

Thank you for the vision and support!

Peter Zhou

That's so cool! I had a comparison with other prompt-engineering tools for my coding. Gotta say, much better result and much faster :)

Manav Sethi

@peter_zhou_overflow That's exactly what I built PromptForge for! What other tools were you testing against? And what made the biggest difference - the AI-assisted generation, the speed, or something else?

Raagul Manoharan
Congratulations on the launch, this looks amazing. Curious if you built this yourself with AI?
Manav Sethi

@raagul_manoharan1 Thank you! And great question!

Yes, I built this myself with AI assistance for parts of the development - felt very meta using AI to build AI prompt engineering tools!

Used Cursor for some of the frontend components, but the core architecture, evaluation algorithms, and product vision were all human-designed. AI was more like a really smart pair programming partner!

The irony wasn't lost on me that I was prompting AI to help build a tool for better prompting!

What's your experience with AI-assisted development? Always curious how other builders are using it in their workflow!

Pulin Yu
Launching soon!

This product really highlights in the built-in analytics and ability to automatically generate test suites. It’s inspiring to bring real software engineering principles to AI prompts.

Manav Sethi

@pulin_yuuu Thank you! You totally nailed the core philosophy - treating prompts with the same rigor we use for code!

The automated test suite generation has been the biggest game-changer. Just like we wouldn't ship code without unit tests, why ship prompts without systematic validation? The analytics help you understand what's actually working vs just guessing!

Are you coming from a software engineering background? Would love to hear your thoughts on other SE principles we could apply to prompt development - version control, CI/CD for prompts, etc.!

Really appreciate the thoughtful feedback!

August Zhu

The auto - generated test suites and dual analysis in PromptForge are total game - changers, bringing real engineering discipline to prompt crafting! For folks doing complex multi - step prompt chaining, how does PromptForge help manage and evaluate the interplay between different prompt segments to ensure cohesive results?

Manav Sethi

@augustzhu  Excellent question! You're thinking exactly like a prompt engineering expert!

Current state: PromptForge focuses on individual prompt optimization with systematic testing and AI-generated evaluations.

Multi-step prompt chaining: This is honestly where we're heading next! Currently you'd need to test each segment individually, but the vision is:

🔄 Chain-aware evaluation - testing how prompts flow together

🔗 Dependency mapping - understanding segment relationships

📊 End-to-end analytics - measuring overall chain performance

🎯 Chain-specific test suites - scenarios that test the full workflow

Since you're clearly doing complex chaining - what's your current approach? Manual testing of the full chain, or breaking it down segment by segment?

Your workflow insights would be incredibly valuable for building this feature right!

Thanks for the thoughtful question - this is exactly the advanced use case that drives our roadmap!

People say prompt engineering is not needed since AI is smarter than ever but real users know it’s still a challenge Congrats on the launch!
Manav Sethi

@charlestehio Thanks , agreed on this there is still quite a fair bit of nuance needed to get the AI to do what we want it to

Manav Sethi

🔥 245 votes! The prompt engineering community is incredible!

Quick question: What's the FIRST prompt you'd generate if you had AI assistance?

- Code reviews?

- Creative writing?

- Data analysis?

- Marketing copy?

Drop your ideas below! 👇

Saurabh Srivastav
Launching soon!

Amazing product @insaanimanav - Congrats!

Manav Sethi

@saurabhsriv Thanks so much! 🔥

The response has been incredible - 300+ votes and climbing!

Quick question: what's your biggest prompt engineering challenge? Always curious to hear how different people approach it! 🤔

Vedika Anand

Amazing , great launch

Manav Sethi

@vedika_anand Thank you so much! The community response has been absolutely incredible - still can't believe we got here

Really appreciate the support!

E-commerce Ideas

This looks like a powerful tool for anyone working with AI prompts. The ability to craft, test, and evaluate prompts in a structured way—with built-in analysis tools—is incredibly valuable for improving accuracy and consistency. Great work on making prompt engineering more accessible and systematic! visit more

Manav Sethi

@e_commerce_ideas Really appreciate the thoughtful feedback!

You totally get the vision - moving prompt engineering from "art" to "science" with systematic testing and evaluation. The built-in analysis has been a game-changer for consistency across different models and use cases.

Sean Er

This is a super cool product! I can definitely relate to the pain point of having to prompt endlessly.

Manav Sethi

@sean_er  Yes! The endless prompt iteration cycle is SO frustrating!

That's exactly why I built the AI-assisted generation feature - instead of starting with a blank page every time, you tell it what you want and it crafts the initial prompt for you. Then the systematic testing helps you refine it properly!

What kind of prompting do you do most? Creative work, coding, analysis? Always curious about different use cases - helps me prioritize which features to build next!

Thanks for trying it out!

Sofia Grace

Congrats on the launch! Quick question. Does PromptForge support comparing performance between different prompt versions? Really looking forward to trying it out!

Manav Sethi

@iam_sofia Thanks Sofia for asking that . That sounds like an amazing addition adding to the roadmap right away thanks for the suggestion

Tim Meta

whats the long play here?

Manav Sethi

@tim_meta  Long term vision: become the standard platform for prompt engineering across industries.

Short term: nail the developer experience and systematic testing.

Medium term: expand to enterprise teams and multi-model orchestration.

Long term: every company using AI has PromptForge in their stack.

Think "GitHub for prompts" - essential infrastructure for the AI-powered world!

What's your take on where prompt engineering is heading?

Gin Tse

Congrats on launch! Brilliant solution to end prompt engineering trial-and-error chaos with systematic testing and analytics.

Manav Sethi

@gin_6078 Thank you Gin! Really appreciate that!

"Trial-and-error chaos" is exactly how I described it to myself when building this! The systematic testing approach has been a total game-changer - especially the automated evaluation suites that test for robustness, safety, and consistency.

Are you working with prompts professionally? Would love to know what systematic approach resonates most with your workflow - the analytics side or the generation assistance?

Thanks for the support!

Anh Nguyen

Huge congrats on the launch! 🎉

Just upvoted - this will definitely come in handy for our team's current project. Hoping to launch something soon as well, so I might be back here looking for support 😊 Keep building!

Manav Sethi

@ha_anh_nguyen Thank you so much! Really appreciate the upvote and support!

Love hearing it'll help your team's project - that's exactly why I built this! Would love to hear how it works for your use case once you try it

And absolutely - when you launch, I'll be here to support! The maker community has been incredible today, so always happy to pay it forward

Keep me posted on your launch - excited to see what you're building!