Update README.md

README.md

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   - mcp
   - agent
   - chess
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+---
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+### 🛠️ MCP Tools Used:
+1.  **Stockfish 16 Engine**: For depth calculation and optimal move generation (UCI Protocol).
+2.  **Lichess Opening Database**: For recognizing 2M+ opening variations (TSV Lookup).
+3.  **Tactical Analyzer**: Custom Python tool for semantic detection of pins, checks, and material imbalance.
+4.  **OpenAI TTS-1**: For real-time voice synthesis.