Update README.md

README.md

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----
-title: MetamorphicPhoenix
-emoji: 📉
-colorFrom: green
-colorTo: gray
+title: Prompt Engineering Toolkit
+emoji: ⚡
+colorFrom: yellow
+colorTo: green
 sdk: gradio
-sdk_version: 6.9.0
+sdk_version: "4.44.0"
 app_file: app.py
 pinned: false
-license: mit
-short_description: ' New space'
----
-
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+⚡ Prompt Engineering Toolkit
+An interactive demo of 4 battle-tested prompt engineering techniques, powered by Claude.
+Techniques Covered
+#
+Technique
+Core Idea
+01
+Perspective-Shifting Prompts
+Be X who does Y using Z metaphors
+02
+Constrained Creativity Boosters
+Limitations force innovation
+03
+Meta-Prompts for Precision
+Make the AI critique its own output
+04
+Chain-of-Thought Templates
+Force systematic step-by-step reasoning
+Setup
+Fork / duplicate this Space
+Go to Settings → Variables and Secrets
+Add a secret named ANTHROPIC_API_KEY with your Anthropic API key
+The Space will restart and be ready to use
+Local Development
+pip install -r requirements.txt
+export ANTHROPIC_API_KEY=sk-ant-...
+python app.py