prompt-xDesigned from the craft.
prompt-x exists to give prompt engineers and AI builders a proper workspace — structured, versioned, and compilable.
Why does prompt-x exist?
After years of watching great prompts get buried in Notion docs and Slack threads, I built the tool I needed: a place to store, refine, and reuse the context that makes AI work reliably.
Prompts were getting lost. After a few Notion and vibe coding prototypes, I decided to go all in — building the workspace I needed to store, reuse, and improve them. Then the AI, compilation, evaluation engines followed naturally to make all the pre-work there.
prompt-x's thesis is based on the primitives of human-machine communication with structured trained prompt templates, reinforcing authoring to account collaboration, variables to communicate at scale, and versioning to keep track of doc's changes.
What principles drive prompt-x?
Prompts are like code
They deserve structure, version control, quality metrics, and deployment workflows. Not a text box with a send button.
Creation before observation
Most tools monitor prompts in production. We think the harder problem is creating good prompts in the first place, then monitoring.
Invisible intelligence
AI features surface when they add value — we call it invisible intelligence, it doesn't need to announce it.
Platform-agnostic by design
Prompts should compile to whatever platform you need. Locking prompt quality to one provider's format is a design failure, and we fix it.
Who built prompt-x?
Mariano is a former product leader in early-stage ventures with experience launching +15 products for customers from scratch to first sales to scale-up.
Currently focused in building free artifacts for the product community and proprietary products in AI's productivity space like prompt-x or democrito.design; and helping small organizations define and build smart internal and commercial tools with AI-native platforms and product sense.
Frequently asked questions
Modern prompt engineering starts here.
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