github.com• Aug 9, 2026• 1 min read
Show HN: Sufleur - npm-style prompt registry with typed code-generationHi HN, I've built Sufleur, a prompt registry and companion CLI tool. The motivation was essentially the frustration that prompts are becoming more and more crucial parts of applications, but in the codebases I've seen, they just sit around as random strings, in-house templates with odd rules, and essentially no version control beyond git. I've felt pain in the past when prompts suddenly changed their schemas (either input for rendering or output expected by the LLM), having to read through the whole thing to figure out what I need to supply for the rendering to work, and spent hours trying to debug why the carefully written and evaluated prompt which worked wonders in a python notebook suddenly stopped working in a typescript codebase in prod...These are the main ideas:- Mustache templates for the prompts, since Mustache is a mature, logic-less templating language which already has packages in a lot of languages I would ever want to target.- Input schemas to render a prompt properly ar
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