add mcp server

src/mcp/server.py

@@ -0,0 +1,37 @@
+from fastmcp import FastMCP
+
+from src.cache.redis_cache import fetch_plans, get_plan_by_id
+
+mcp = FastMCP(
+    name="LollyInsurancePlans",
+    instructions="""
+    You are a helpful assistant that can fetch insurance plans from the Lolly API.
+    You can fetch the plan id list by using get_plan_list() tool.
+    You can fetch the particular plan information by using get_plan_by_id() tool.
+    """
+)
+
+
+@mcp.tool()
+async def get_plan_by_id(plan_id: int) -> dict:
+    plan = await get_plan_by_id(plan_id)
+    return plan
+
+@mcp.tool()
+async def get_plan_list() -> list[dict]:
+    plans = await fetch_plans()
+    return [
+        {
+            "id": p["id"],
+            "name": p["name"],
+            "category": p["category"],
+        } for p in plans
+    ]
+
+if __name__ == "__main__":
+    mcp.run(
+        "http",
+        host="0.0.0.0",
+        port=8000,
+        path="/mcp",
+    )