> ## Documentation Index
> Fetch the complete documentation index at: https://ikun.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# HackerNews 团队

此示例展示了如何创建一个 HackerNews 团队，该团队可以聚合、整理和讨论来自 HackerNews 的热门话题。

## 代码

```python hackernews_team.py theme={null}
from typing import List

from agno.agent import Agent
from agno.models.openai import OpenAIChat
from agno.team import Team
from agno.tools.duckduckgo import DuckDuckGoTools
from agno.tools.hackernews import HackerNewsTools
from agno.tools.newspaper4k import Newspaper4kTools
from pydantic import BaseModel


class Article(BaseModel):
    title: str
    summary: str
    reference_links: List[str]


hn_researcher = Agent(
    name="HackerNews Researcher",
    model=OpenAIChat("gpt-4o"),
    role="Gets top stories from hackernews.",
    tools=[HackerNewsTools()],
)

web_searcher = Agent(
    name="Web Searcher",
    model=OpenAIChat("gpt-4o"),
    role="Searches the web for information on a topic",
    tools=[DuckDuckGoTools()],
    add_datetime_to_instructions=True,
)

article_reader = Agent(
    name="Article Reader",
    role="Reads articles from URLs.",
    tools=[Newspaper4kTools()],
)


hn_team = Team(
    name="HackerNews Team",
    mode="coordinate",
    model=OpenAIChat("gpt-4o"),
    members=[hn_researcher, web_searcher, article_reader],
    instructions=[
        "First, search hackernews for what the user is asking about.",
        "Then, ask the article reader to read the links for the stories to get more information.",
        "Important: you must provide the article reader with the links to read.",
        "Then, ask the web searcher to search for each story to get more information.",
        "Finally, provide a thoughtful and engaging summary.",
    ],
    response_model=Article,
    show_tool_calls=True,
    markdown=True,
    debug_mode=True,
    show_members_responses=True,
)

hn_team.print_response("Write an article about the top 2 stories on hackernews")
```

## 用法

<Steps>
  <Snippet file="create-venv-step.mdx" />

  <Step title="安装所需的库">
    ```bash theme={null}
    pip install openai duckduckgo-search newspaper4k lxml_html_clean
    ```
  </Step>

  <Step title="设置环境变量">
    ```bash theme={null}
    export OPENAI_API_KEY=****
    ```
  </Step>

  <Step title="运行代理">
    ```bash theme={null}
    python hackernews_team.py
    ```
  </Step>
</Steps>