Add MCP server

Dockerfile

@@ -0,0 +1,19 @@
+# Base image
+FROM python:3.10-slim
+
+# Set working directory
+WORKDIR /code
+
+# Install FastAPI and Uvicorn
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy app code
+COPY app.py .
+
+# Expose the port (Spaces default to 7860)
+EXPOSE 7860
+
+# Start the FastAPI app
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
+

app.py

@@ -0,0 +1,57 @@
+from fastapi import FastAPI, Request
+from fastapi.responses import JSONResponse
+from pydantic import BaseModel
+from typing import Dict
+
+app = FastAPI()
+
+
+class MCPMessage(BaseModel):
+    session: str
+    id: str
+    command: str
+    args: Dict[str, str]
+
+
+@app.post("/mcp")
+async def mcp_endpoint(message: MCPMessage, request: Request):
+    print(f"[MCP Server] Received: {message.command} | Args: {message.args}")
+
+    if message.command == "mcp-negotiate":
+        return {
+            "id": message.id,
+            "status": "ok",
+            "message": "Negotiation successful",
+            "session": message.session,
+            "version": message.args.get("version", "1.0"),
+        }
+
+    elif message.command == "mcp-message":
+        return {
+            "id": message.id,
+            "status": "ok",
+            "message": f"Delivered to {message.args.get('to')}",
+            "echo": message.args.get("body", ""),
+        }
+
+    elif message.command == "mcp-echo-upper":
+        original = message.args.get("body", "")
+        return {
+            "id": message.id,
+            "status": "ok",
+            "message": "Uppercase echo",
+            "original": original,
+            "upper": original.upper()
+        }
+
+    return JSONResponse(status_code=400, content={
+        "id": message.id,
+        "status": "error",
+        "message": f"Unknown command: {message.command}"
+    })
+
+
+@app.get("/")
+def root():
+    return {"message": "MCP Test Server is running"}
+

requirements.txt

@@ -0,0 +1,3 @@
+fastapi
+uvicorn
+