wework_send_image
Send image messages to WeChat Work group chats using a bot. Provide an image URL to share visual content with team members through automated notifications.
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 |
|---|---|---|---|
| bot_key | No | 企业微信群机器人key，uuid格式，默认从环境变量获取 | |
| url | Yes | 图片url |
Implementation Reference
- mcp_notify/wework.py:48-61 (handler)The handler function that implements the core logic of the 'wework_send_image' tool. It downloads the image from the given URL, base64-encodes the content, computes its MD5 hash, and sends it to the WeWork group robot webhook.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/wework.py:44-47 (registration)The @mcp.tool decorator registers the 'wework_send_image' tool with FastMCP, providing its title and description.@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", )
- mcp_notify/__init__.py:19-19 (registration)Top-level registration call that invokes add_tools on the wework module to register all its tools, including 'wework_send_image', to the main FastMCP instance.wework.add_tools(mcp)
- mcp_notify/wework.py:20-21 (schema)Pydantic Field definitions used for input schema validation of bot_key (and to_user in other tools). bot_key defaults from env var WEWORK_BOT_KEY.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")