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README.md

@@ -1,13 +1,15 @@
 ---
-title: Chess
-emoji: 👀
-colorFrom: red
-colorTo: yellow
+title: Stockfish Chess Engine - MCP Server
+emoji: 🤖
+colorFrom: gray
+colorTo: gray
 sdk: gradio
 sdk_version: 6.0.1
 app_file: app.py
 pinned: false
 license: apache-2.0
----
-
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+short_description: Evaluates chess positions
+tags:
+- building-mcp-track-consumer
+- mcp-in-action-track-consumer
+---

app.py

@@ -0,0 +1,57 @@
+# References:
+
+# https://www.stockfish.online/docs.php (API)
+# https://www.stockfish.online/ (FEN to image)
+
+import gradio as gr
+import gradio.utils, requests
+from typing import Optional, List, Dict, Any
+
+# MCP server functions
+
+def position_evaluation(fen):
+    """Chess position evaluation. Get best move with continuation in UCI notation for chess position in FEN.
+
+    Args:
+        fen (str): Chess position in FEN
+        
+    Returns:
+        str: Best move with continuation in UCI notation
+    """
+    print("")
+    
+    print(f"🤖 Chess position_evaluation: fen={fen}")
+    
+    url = "https://stockfish.online/api/s/v2.php"
+    params = {"fen": fen, "depth": 12}
+    
+    try:
+        response = requests.get(url, params=params, timeout=10)
+        response.raise_for_status()
+        result = response.json()
+        
+        print(f"🤖 Chess position_evaluation: result={result}")
+        
+        return result, None
+    
+    except requests.exceptions.RequestException as e:
+        return None, str(e)
+
+# Helper functions
+
+def _noop(*args, **kwargs):
+    pass
+
+gradio.utils.watchfn_spaces = _noop
+
+# Graphical user interface
+
+mcp = gr.Interface(
+    fn=position_evaluation,
+    inputs =  [gr.Textbox(label = "Forsyth-Edwards Notation (FEN)", value = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1", lines=2)],
+    outputs = [gr.Textbox(label = "Evaluation", interactive = False, lines=2)],
+    title="Stockfish Chess Engine",
+    description="Chess position evaluation by top open source chess engine"
+)
+
+mcp.launch(mcp_server=True, ssr_mode=False)

requirements.txt

@@ -0,0 +1,2 @@
+
+gradio==6.0.0