企业微信应用号-发送图片消息
wework_app_send_imageSend image notifications through WeChat Work applications to specified users or groups using image URLs.
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:131-135 (handler)The main handler function for the 'wework_app_send_image' tool. It takes a URL and optional touser, then delegates to the shared wework_send_media helper function specifying media type 'image'.
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:127-130 (registration)The @mcp.tool decorator registers the wework_app_send_image function as an MCP tool with title and description.
@mcp.tool( title="企业微信应用号-发送图片消息", description="通过企业微信应用号发送发送图片消息", ) - mcp_notify/wework.py:167-200 (helper)Core helper function that downloads media from URL, uploads it to WeWork media API, and sends it via the app message API. Determines media type based on URL extension or provided msgtype. Used by wework_app_send_image and similar tools.
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/wework.py:95-102 (helper)Cached helper function to fetch WeWork application access token using corp ID and secret from environment variables.
@cached(TTLCache(maxsize=1, ttl=3600)) def get_access_token(): res = requests.get( f"{WEWORK_BASE_URL}/cgi-bin/gettoken", params={"corpid": WEWORK_APP_CORPID, "corpsecret": WEWORK_APP_SECRET}, timeout=60, ) return res.json().get("access_token") - mcp_notify/__init__.py:19-19 (registration)Top-level call to add_tools from wework module, which registers all WeWork tools including wework_app_send_image to the main MCP instance.
wework.add_tools(mcp)