chore: import upstream snapshot with attribution

docs_src/subscriptions/tutorial001.py

@@ -0,0 +1,33 @@
+from mcp.server.mcpserver import Context, MCPServer
+
+mcp = MCPServer("Sprint Board")
+
+BOARDS = {
+    "sprint": {"design": False, "build": False, "ship": False},
+    "backlog": {"tidy docs": False},
+}
+
+
+@mcp.resource("board://{name}")
+def board(name: str) -> str:
+    tasks = BOARDS[name]
+    return "\n".join(f"[{'x' if done else ' '}] {task}" for task, done in tasks.items())
+
+
+@mcp.tool()
+async def complete_task(board: str, task: str, ctx: Context) -> str:
+    BOARDS[board][task] = True
+    await ctx.notify_resource_updated(f"board://{board}")
+    return f"{task}: done"
+
+
+def sprint_report() -> str:
+    done = sum(done for tasks in BOARDS.values() for done in tasks.values())
+    return f"{done} task(s) done"
+
+
+@mcp.tool()
+async def enable_reports(ctx: Context) -> str:
+    mcp.add_tool(sprint_report)
+    await ctx.notify_tools_changed()
+    return "reporting is live"