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+# README.md
+# LangGraph Code Review Agent
+
+This repository implements a **LangGraph** agent that takes a Python function as input and produces a code review. The review is evaluated by a critic node that scores it on four criteria:
+
+1. **PEP8 compliance**
+2. **Type hints**
+3. **Edge case handling**
+4. **Naming conventions**
+
+If the critic returns **`needs_revision`** the rewrite node improves the weakest part of the review. The process repeats up to ``max_rounds`` times.
+
+The implementation uses only the technologies specified in the assignment: ``langgraph`` and ``langchain-ollama`` (or ``langchain-openai`` if you prefer). No vector database is used.
+
+## Installation
+
+```bash
+pip install -r requirements.txt
+```
+
+## Demo
+
+Run the demo with:
+
+```bash
+python main.py
+```
+
+It will review the example function ``sort_numbers`` and print the draft review, scores, and verdict.