从抖音分享链接提取视频中的文本内容 参数: - share_link: 抖音分享链接或包含链接的文本 - model: 语音识别模型（可选，默认使用paraformer-v2） 返回: - 提取的文本内容 注意: 需要设置环境变量 API_KEY
AI agents call extract_douyin_text to retrieve information from Douyin without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a retrieval/parsing tool that reads video metadata and performs audio-to-text conversion. While it requires an API_KEY environment variable, the operation itself is purely informational—it queries existing video data and extracts text. No creation, modification, deletion, or financial operations are involved.
From the tool's definition Tool extracts and retrieves text content from Douyin (TikTok) videos via sharing links. Performs speech recognition to convert audio to text. No data modification, deletion, or external execution occurs.
Documented attack patterns abuse exactly the kind of access extract_douyin_text gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Douyin, and nothing reaches the server without passing your rules. This is the rule we recommend for extract_douyin_text:
{
"version": "1",
"default": "deny",
"tools": {
"extract_douyin_text": {}
}
}extract_douyin_text is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
从抖音分享链接提取视频中的文本内容 参数: - share_link: 抖音分享链接或包含链接的文本 - model: 语音识别模型（可选，默认使用paraformer-v2） 返回: - 提取的文本内容 注意: 需要设置环境变量 API_KEY. It is categorised as a Read tool in the Douyin MCP Server, which means it retrieves data without modifying state.
Register the Douyin MCP server in PolicyLayer and add a rule for extract_douyin_text: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Douyin. Nothing to install.
extract_douyin_text is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the extract_douyin_text rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for extract_douyin_text. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
extract_douyin_text is provided by the Douyin MCP server (yzfly/douyin-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 3 Douyin tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
3 Douyin tools catalogued and risk-classified — across an index of 42,500+ MCP servers.