Business

Writing prompts that hold up

• A Provider-Agnostic System Prompt: What to Abstract, What to Keep
• How to Write a Skill File for a Coding Agent Your Team Will Share
• Prompt Sections You Can Cut Without Breaking the Output
• How to Test Whether a Prompt Still Works After a Model Swap
• How to Turn Logged Support Failures into Prompt Fixes
• How to Write a Cost-Aware System Prompt That Routes Itself
• Structuring Prompt Output So Tests Can Assert on It
• What to Change in Prompts When a Model Swap Shifts Output
• When a Skill File Passes Review but the Agent Still Fails
• When the Human Version Is Better: Writing the Gap Note
• When the Prompt Survives a Swap but the Output Does Not
• Writing a Prompt That Tells the Model What to Leave Out
• Writing the System Prompt for One Step You Marked on the Map