将您的应用部署到云端

pip install langgraph-sdk

from langgraph_sdk import get_sync_client

client = get_sync_client(url="your-deployment-url", api_key="your-langsmith-api-key")

for chunk in client.runs.stream(
    None,  # 无线程运行
    "agent", # 助手名称。在 langgraph.json 中定义。
    input={
        "messages": [{
            "role": "human",
            "content": "What is LangGraph?",
        }],
    },
    stream_mode="updates",
):
    print(f"Receiving new event of type: {chunk.event}...")
    print(chunk.data)
    print("\n\n")

npm install @langchain/langgraph-sdk

const { Client } = await import("@langchain/langgraph-sdk");

const client = new Client({ apiUrl: "your-deployment-url", apiKey: "your-langsmith-api-key" });

const streamResponse = client.runs.stream(
    null, // 无线程运行
    "agent", // 助手 ID
    {
        input: {
            "messages": [
                { "role": "user", "content": "What is LangGraph?"}
            ]
        },
        streamMode: "messages",
    }
);

for await (const chunk of streamResponse) {
    console.log(`Receiving new event of type: ${chunk.event}...`);
    console.log(JSON.stringify(chunk.data));
    console.log("\n\n");
}