Runprompt – run .prompt files from the command line
I built a single-file Python script that lets you run LLM prompts from the command line with templating, structured outputs, and the ability to chain prompts together. When I discovered Google's Dotprompt format (frontmatter + Handlebars templates), I realized it was perfect for something I'd been wanting: treating prompts as first-class programs you can pipe together Unix-style. Google uses Dotprompt in Firebase Genkit and I wanted something simpler - just run a .prompt file directly on the command line. Here's what it looks like: --- model: anthropic/claude-sonnet-4-20250514 output:…
Runprompt – run .prompt files from the command line launched on November 27, 2025 with 134 votes, #220 of 9,796 launches that month and more than 95% of that year's launches.
In plain words
Runprompt is a Python command-line tool that lets users run LLM prompts stored as .prompt files, using Google's Dotprompt format with frontmatter configuration and Handlebars templating. It supports structured JSON outputs, prompt chaining, and Unix-style piping, allowing prompts to be treated as reusable programs. Designed for developers who want a lightweight alternative to Firebase Genkit, it enables straightforward integration of language model calls into shell workflows.
written from the facts on this page · September 2026
From the sources
Run LLM prompts from your shell. Contribute to chr15m/runprompt development by creating an account on GitHub.
In the maker’s words, at launch
I built a single-file Python script that lets you run LLM prompts from the command line with templating, structured outputs, and the ability to chain prompts together. When I discovered Google's Dotprompt format (frontmatter + Handlebars templates), I realized it was perfect for something I'd been wanting: treating…
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