企业微信群机器人-发送图片消息
wework_send_imageSend image notifications to WeChat Work group chats using a bot. Provide an image URL to automatically share visual updates or alerts with team members.
Instructions
通过企业微信群机器人发送图片消息
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| url | Yes | 图片url | |
| bot_key | No | 企业微信群机器人key，uuid格式，默认从环境变量获取 |
Implementation Reference
- mcp_notify/wework.py:44-61 (handler)The core handler function for the 'wework_send_image' tool. It fetches the image from the provided URL, base64-encodes it, computes its MD5 hash, and sends it as an image message via the WeWork group robot webhook API.
@mcp.tool( title="企业微信群机器人-发送图片消息", description="通过企业微信群机器人发送图片消息", ) def wework_send_image( url: str = Field(description="图片url"), bot_key: str = FIELD_BOT_KEY, ): res = requests.get(url, timeout=120) res.raise_for_status() b64str = base64.b64encode(res.content).decode() md5str = hashlib.md5(res.content).hexdigest() res = requests.post( f"{WEWORK_BASE_URL}/cgi-bin/webhook/send?key={bot_key or WEWORK_BOT_KEY}", json={"msgtype": "image", "image": {"base64": b64str, "md5": md5str}}, timeout=120, ) return res.json() - mcp_notify/__init__.py:19-19 (registration)Registers all tools from the wework module, including 'wework_send_image', by calling its add_tools function on the FastMCP instance.
wework.add_tools(mcp) - mcp_notify/wework.py:20-21 (schema)Pydantic Field definitions used as default parameters for tool schemas, including bot_key for wework_send_image.
FIELD_BOT_KEY = Field("", description="企业微信群机器人key，uuid格式，默认从环境变量获取") FIELD_TO_USER = Field("", description="接收消息的成员ID，多个用`|`分隔，为`@all`时向该企业应用全部成员发送，默认从环境变量获取")