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Products that do what I built PrompTessor – a tool to help people write better AI prompts does

After countless hours of solo coding, designing, and iterating, I’m both excited and nervous to share my first-ever product: PrompTessor — now live. As someone who constantly experiments with AI tools like ChatGPT and Midjourney, I often found myself stuck in a loop of trial-and-error. The issue wasn’t always the AI — it was often the prompt itself. That observation became the starting point for PrompTessor. This tool doesn’t just optimize your prompt — it analyzes it. It gives you: - A prompt score - A breakdown of strengths and weaknesses - A fully optimized version of your prompt - And…

  1. 1

    AI Prompt Generator, Optimizer & Library

    2025

  2. 2AS

    Any Ideas/Suggestions are welcome :)

    2024 · mitenmit.github.io

  3. 3

    AI Prompt Generator, Optimizer & Library

    Jun 2026 · promptessor.com

  4. 4

    Simplifying your path to AI interaction

    2024

  5. 5

    Your personal prompt engineer across all AI platforms

    2025

  6. 6
    Prompter128

    Generate instant AI prompts based on your projects

    2025

  7. 7

    Create and save your prompts, recipes and chats in Notion

    2023

  8. 8

    Free & fast chain of prompts generator

    2024

  9. 9PL

    Hi HN, I've been working on an experimental tool that helps you use GPT to work on your codebase. I'd love to improve the tool if there's interest. New ideas welcome! I think this could also be useful for experimenting with other types of recursive prompts. It’s a little bit Swiss Army knife and a little bit skynet: https://github.com/ferrislucas/promptr From the README: Promptr is a CLI tool for operating on your codebase using GPT. Promptr dynamically includes one or more files into your GPT prompts, and it can optionally parse and apply the changes that GPT suggests to…

    2023 · github.com

  10. 10
    Prompt138

    A command line application to interact with ChatGPT's API

    2023

  11. 11

    The context manager and skills library for marketing teams

    Apr 2026 · promptr.ai

  12. 12

    Prompt like an expert across any AI tool, in one click

    2025

  13. 13AF
  14. 14

    Transform Weak Prompts Into Powerful AI Instructions

    Jan 2026

  15. 15AT

    Hey HN! While writing prompts for a few projects recently, a couple of friends and I realised that writing prompts today is like writing code in a txt file - it sucks and there is no tooling to help you. So we decided to hack on a tool to help you fix this - https://optimist.varied.ai/ It is literally a hack rn but we already find it useful for writing prompts. That said we'd love to talk to folks who are writing serious prompts everyday and see how the product can be better. Also the only reason the waitlist is there, is running this is super expensive like $100/day for…

    2023 · optimist.varied.ai

  16. 16TO

    Hey HN Community, We're excited to announce the integration of the newly launched ChatGPT API into Promptly - a platform designed to make prompt management and sharing a breeze for developers. With Promptly, you can easily test out different prompts and model parameters for various providers, and quickly share prompt snippets together with parameters and generated output. It's like CodePen or JSFiddle, but for prompts! In addition to that, Promptly also allows you to create high-level endpoints on top of provider APIs (such as Open AI, DreamStudio, and more) with templated and versioned…

    2023 · trypromptly.com

  17. 17IM

    Hi Everyone!! Our team is made up of passionate AI enthusiasts with backgrounds in marketing, and engineering. We’re united by a shared belief that the future of AI should be collaborative, accessible, and community-driven. With experience building consumer products and scaling platforms, we’re focused on creating a space where anyone from hobbyists to professionals can discover, organize, and share the best AI prompts and workflows. Promptly is built with a community-first mindset, where user contributions, creativity, and learning are at the heart of the experience.

    2025 · searchpromptly.com

  18. 18

    Free master prompts for ChatGPT, Claude, Gemini & more

    Mar 2026 · understandingai.net

  19. 19

    "Better prompts. Better results. In seconds."

    Apr 2026 · promptmelo.com

  20. 20

    AI Prompt Manager

    Dec 2025

  21. 21PP

    We are excited to show Promptly (https://trypromptly.com), a prompt management platform for LLM apps that makes it easy to experiment, share and manage prompts in production. With Promptly, users can: - Try out different prompts and model parameters for various providers - Quickly share prompt snippets together with parameters and generated output. Think of it as CodePen or JSFiddle for prompts - Create high level endpoints on top of provider APIs (Open AI, DreamStudio etc) with templated and versioned prompts - Use built-in caching for endpoints that will help save on Open AI…

    2023 · trypromptly.com

  22. 22

    Turn rough ideas into perfect AI prompts in seconds

    Jun 2026 · aditsblogs.com

  23. 23

    Validate, Analyse and Score your Prompts

    Jul 2026 · thepromptlab.in

  24. 24

    Your prompt library across ChatGPT, Claude & Gemini

    Jul 2026

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