企业微信应用号-发送图片消息
wework_app_send_imageSend an image message to WeChat Work users by providing a URL. Optionally specify target users or use @all to notify everyone.
Instructions
通过企业微信应用号发送发送图片消息
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| url | Yes | 图片URL | |
| touser | No | 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 |
Implementation Reference
- mcp_notify/wework.py:128-132 (handler)The 'wework_app_send_image' tool handler function. It downloads an image from a URL and delegates to 'wework_send_media' with msgtype='image'. Registered as an MCP tool via @mcp.tool decorator.
def wework_app_send_image( url: str = Field(description="图片URL"), touser: str = FIELD_TO_USER, ): return wework_send_media(touser, url, "image") - mcp_notify/wework.py:164-197 (helper)The 'wework_send_media' helper function called by 'wework_app_send_image'. Downloads media from a URL, uploads it to WeWork's media API, then sends it as an application message with the returned media_id.
def wework_send_media(touser, url: str, msgtype=None): if msgtype: pass elif '.jpg' in url.lower() or '.jpeg' in url.lower() or '.png' in url.lower(): msgtype = 'image' elif '.mp4' in url.lower(): msgtype = 'video' elif '.arm' in url.lower(): msgtype = 'voice' else: msgtype = 'file' res = requests.get(url, timeout=120) res.raise_for_status() file = io.BytesIO(res.content) mine = res.headers.get("content-type") or "application/octet-stream" res = requests.post( f"{WEWORK_BASE_URL}/cgi-bin/media/upload", params={"type": msgtype, "access_token": get_access_token()}, files={"media": ("filename", file, mine)}, timeout=120, ) media = res.json() or {} if not (media_id := media.get("media_id")): return media res = requests.post( f"{WEWORK_BASE_URL}/cgi-bin/message/send?access_token={get_access_token()}", json={ "touser": touser or WEWORK_APP_TOUSER, "agentid": WEWORK_APP_AGENTID, "msgtype": msgtype, msgtype: {"media_id": media_id}, }, ) return res.json() - mcp_notify/__init__.py:18-23 (registration)Registration point: 'wework.add_tools(mcp)' is called, which registers all WeWork tools including 'wework_app_send_image' via the @mcp.tool decorator inside the add_tools function.
mcp = FastMCP(name="mcp-notify", version="0.1.11") wework.add_tools(mcp) tgbot.add_tools(mcp) other.add_tools(mcp) hass.add_tools(mcp) util.add_tools(mcp) - mcp_notify/wework.py:17-19 (schema)Schema definition: The 'FIELD_TO_USER' constant is used as a default value for the 'touser' parameter in 'wework_app_send_image', defining its input schema.
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")