AI agents use debug_publish_content to create or update resources in Xhs Kit — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Xhs Kit environment.
Although framed as a debug/validation tool that does not actually publish, it is intrinsically linked to the publish_content operation and interacts with content creation systems. The tool performs verification of publishing workflows, which is a Write operation (content modification/creation pathway). However, because it operates in debug mode and does not actually publish, the severity is medium rather than high.
From the tool's definition Tool description states 'Debug 模式:验证发布内容而不实际发布' (Debug mode: verify publishing content without actually publishing). The tool name is 'debug_publish_content' and description explicitly mentions content validation in a debug context.
Attacks that exploit this kind of access
Debug 模式:验证发布内容而不实际发布. It is categorised as a Write tool in the Xhs Kit MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Xhs Kit MCP server in PolicyLayer and add a rule for debug_publish_content: 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 Xhs Kit. Nothing to install.
debug_publish_content is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the debug_publish_content 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 debug_publish_content. 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.
debug_publish_content is provided by the Xhs Kit MCP server (luweizheng/xhs-kit). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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