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550W AI去字幕去水印
cn.550wai/550w-ai-media-cn in the official MCP registry.
Endpoint https://www.550wai.cn/mcp/cn.
The registry describes it as: 图片去文字去水印、本地视频全屏去硬字幕及画面水印，支持抖音、快手、哔哩哔哩、微博等分享链接去平台水印。OAuth 授权；本地文件需宿主上传支持，否则到 qzm.550wai.cn 上传。
On 2026-10-22 this server asked for credentials before it would list its tools, so we could not read them. Nothing was checked: this is not a clean result.
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[](https://lazaretto.dev/mcp-registry/cn-550wai-550w-ai-media-cn)How this was checked
Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.
To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.