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Alternatives

Products that do what Promptloop – create, run, and improve prompt evals from the terminal does

a CLI agent for prompt evaluation loopsw

  1. 1
    Reloop327

    Create winning ads without prompts or skills

    Feb 2026

  2. 2

    The command center for your AI prompts.

    Oct 2025

  3. 3

    Simplifying your path to AI interaction

    2024

  4. 4

    All your best prompts. One shortcut away.

    Feb 2026

  5. 5
    Preloop121

    The MCP Governance Layer

    Jan 2026

  6. 6

    Prompts organisation solution & AI prompt writing assistant

    2023

  7. 7PL

    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

  8. 8PC
  9. 9

    Free & fast chain of prompts generator

    2024

  10. 10

    Orchestrate every AI coding agent from one desktop

    Aug 2026 · promptops.it

  11. 11PR
  12. 12
    Prompt138

    A command line application to interact with ChatGPT's API

    2023

  13. 13PO

    Hey HN! We’re Kevin and Steve. We’re building PromptTools (https://github.com/hegelai/prompttools): open-source, self-hostable tools for experimenting with, testing, and evaluating LLMs, vector databases, and prompts. Evaluating prompts, LLMs, and vector databases is a painful, time-consuming but necessary part of the product engineering process. Our tools allow engineers to do this in a lot less time. By “evaluating” we mean checking the quality of a model's response for a given use case, which is a combination of testing and benchmarking. As examples: - For generated…

    2023 · github.com

  14. 14
    Prompter128

    Generate instant AI prompts based on your projects

    2025

  15. 15

    Instantly test and compare AI prompts results across models

    2025

  16. 16

    Open-source 'unit testing' stack for your prompts and data

    2023

  17. 17

    AI-Infused Apple Shortcuts. Endless Possibilities.

    2023

  18. 18

    Turn vague prompts into precision‑grade instructions.

    Jul 2026 · promptoptimizer.boomlac.com

  19. 19

    Build production-grade AI agents using natural language

    Oct 2025

  20. 20

    AI that builds you a deterministic evaluation in minutes

    2025

  21. 21

    Use AI instantly from website write emails, summarize pages

    2025

  22. 22

    Turn natural language into AI agents and automations

    Feb 2026

  23. 23

    One CLI. Ten agents. One perfect prompt.

    May 2026 · github.com

  24. 24

    Record and replay mouse and keyboard actions on macOS

    Dec 2025

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