Skip to Main Content
AI Prompt Architect

🚀 Quick Start

Build your first STCO prompt in 2 minutes.Skip to builder →

🧱

Step 1: What's STCO?

STCO stands for Situation, Task, Constraints, Output — a four-part framework that structures your AI prompts for consistent results. Instead of guessing what to write, you fill in four clear sections.

Using XML tags to isolate user content from system instructions reduces cross-context contamination attacks by 60% in A.—Anthropic, 'Mitigating Prompt Injection' security …