2) Once you are clear about the topic or theme
please also review the Format and Example provided below.
Explore
99,039 skills indexed with the new KISS metadata standard.
please also review the Format and Example provided below.
required areas of expertise
This is the single reference for prompt engineering with Claude's latest models, including Claude Opus 4.6, Claude Sonnet 4.6, and Claude Haiku 4.5. It covers foundational techniques, output control, tool use, thinking, and agentic systems. Jump to the section that matches your situation.
2026)
{
tool use
data prep
including placeholders for iteration or error handling
suggest non-AI or hybrid alternatives (e.g.
bias checks)
mini variants) — usually lack depth/context/tool reliability
practical starter prompt
fast
very large context windows
writing quality
real-time knowledge via X
excellent for self-hosting
function calling
20% time savings
dependencies
recommend which AI engines are best suited and why.
open behavior
always tailor to the process):
then issue your verdict with clear reasoning.