Update README.md

README.md

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-title: Template Final Assignment
-emoji: 🕵🏻‍♂️
-colorFrom: indigo
-colorTo: indigo
-sdk: gradio
-sdk_version: 5.25.2
-app_file: app.py
-pinned: false
-hf_oauth: true
-# optional, default duration is 8 hours/480 minutes. Max duration is 30 days/43200 minutes.
-hf_oauth_expiration_minutes: 480
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+# ShrewdAgent
+
+This is an AI assistant powered by LangChain, LangGraph, and GPT-4o. It uses tool-calling to answer user questions via various plugins (Wikipedia, YouTube transcript, Python code execution, Excel parsing, etc.).
+
+## How to Use
+
+Type a question into the input field and click "Submit". The agent will select the best tool and return a concise answer.
+
+Examples:
+- "Sort these words: orange, banana, apple"
+- "Get the transcript of YouTube video ID `dQw4w9WgXcQ`"
+- "Add 7 and 5"
+
+## Powered By
+
+- OpenAI GPT-4o
+- LangChain
+- LangGraph
+- Tavily Search
+- Gradio
 
 Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference