chore: initial import of standalone agentscope project

examples/integration/alibabacloud_api_mcp/main.py

@@ -0,0 +1,101 @@
+# -*- coding: utf-8 -*-
+"""The main entry point of the ReAct agent example."""
+
+import asyncio
+import os
+
+from dotenv import load_dotenv
+from mcp.client.auth import (
+    OAuthClientProvider,
+)
+from mcp.shared.auth import (
+    OAuthClientMetadata,
+)
+from pydantic import AnyUrl
+
+from oauth_handler import (
+    InMemoryTokenStorage,
+    handle_callback,
+    handle_redirect,
+)
+
+from agentscope.agent import ReActAgent, UserAgent
+from agentscope.formatter import DashScopeChatFormatter
+from agentscope.mcp import HttpStatelessClient
+from agentscope.memory import InMemoryMemory
+from agentscope.model import DashScopeChatModel
+from agentscope.tool import Toolkit
+
+load_dotenv()
+
+# Fetch the MCP endpoint from https://api.aliyun.com/mcp after provisioning.
+server_url = (
+    "https://openapi-mcp.cn-hangzhou.aliyuncs.com/accounts/14******/custom/"
+    "****/id/KXy******/mcp"
+)
+
+memory_token_storage = InMemoryTokenStorage()
+
+oauth_provider = OAuthClientProvider(
+    server_url=server_url,
+    client_metadata=OAuthClientMetadata(
+        client_name="AgentScopeExampleClient",
+        redirect_uris=[AnyUrl("http://localhost:3000/callback")],
+        grant_types=["authorization_code", "refresh_token"],
+        response_types=["code"],
+        scope=None,
+    ),
+    storage=memory_token_storage,
+    redirect_handler=handle_redirect,
+    callback_handler=handle_callback,
+)
+
+stateless_client = HttpStatelessClient(
+    # Name used to identify the MCP
+    name="mcp_services_stateless",
+    transport="streamable_http",
+    url=server_url,
+    auth=oauth_provider,
+)
+
+
+def require_env_var(name: str) -> str:
+    """Return the value of *name* or raise a helpful error."""
+    value = os.environ.get(name)
+    if value is None:
+        raise RuntimeError(f"Environment variable '{name}' must be set.")
+    return value
+
+
+async def main() -> None:
+    """The main entry point for the ReAct agent example."""
+    toolkit = Toolkit()
+    await toolkit.register_mcp_client(stateless_client)
+
+    agent = ReActAgent(
+        name="AlibabaCloudOpsAgent",
+        sys_prompt=(
+            "You are an Alibaba Cloud operations assistant. "
+            "Use ECS, RDS, VPC, and other services to satisfy requests."
+        ),
+        model=DashScopeChatModel(
+            api_key=require_env_var("DASHSCOPE_API_KEY"),
+            model_name="qwen3-max-preview",
+            enable_thinking=False,
+            stream=True,
+        ),
+        formatter=DashScopeChatFormatter(),
+        toolkit=toolkit,
+        memory=InMemoryMemory(),
+    )
+    user = UserAgent("User")
+
+    msg = None
+    while True:
+        msg = await user(msg)
+        if msg.get_text_content() == "exit":
+            break
+        msg = await agent(msg)
+
+
+asyncio.run(main())