Show HN: Prompt Engineering Templating Language and CLI Tool

06 Aug 2025

Hacker News Digest: AI, Prompt Engineering & Dev Trends

Welcome! This article summarizes high-impact discussions from Hacker News, focusing on AI, ChatGPT, prompt engineering, and developer tools.

Curated for clarity and relevance, each post offers a unique viewpoint worth exploring.

What’s Included:

  • Grouped insights from Hacker News on Prompt Engineering, AI Trends, Tools, and Use Cases
  • Summarized content in original words
  • Proper attribution: 'As posted by username'
  • Code snippets included where relevant
  • Direct link to each original Hacker News post
  • Clean HTML formatting only

Show HN: Prompt Engineering Templating Language and CLI Tool

As posted by: leroman  |  🔥 Points: 2

https://github.com/romansky/copa

Summary

CoPa: Prompt Engineering Templating Language and CLI Tool CoPa is a prompt engineering templating language and a lightweight CLI tool for generating structured prompts for Large Language Models (LLMs) by dynamically including content from local files and web pages. It helps you create complex, repeatable, and maintainable prompts for any code-related task.

🔧 Key Features

Templated Prompts: Use {{@path_or_url[:options]}} syntax to embed content.

Web Content Fetching: Directly include content from URLs with {{@https://...}} .

Ignore Syntax: Use {{! comment }} for comments and {{!IGNORE_BELOW}} to exclude sections of your template.

Directory Trees: Display folder structures with the :dir option.

Code Cleaning: Strip import / require...

Final Takeaways

These discussions reveal how developers think about emerging AI trends, tool usage, and practical innovation. Take inspiration from these community insights to level up your own development or prompt workflows.