检查赛狐环境变量、token 状态和基础连通性，不拉业务数据。
AI agents call sellfox_health_check to retrieve information from Sellfox MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs diagnostic checks on system health and configuration without retrieving, modifying, or executing any business operations. It only reads status information about the connection and environment.
From the tool's definition Tool description states it 'checks environment variables, token status and basic connectivity' and explicitly states '不拉业务数据' (does not pull business data).
Attacks that exploit this kind of access
检查赛狐环境变量、token 状态和基础连通性，不拉业务数据。. It is categorised as a Read tool in the Sellfox MCP MCP Server, which means it retrieves data without modifying state.
Register the Sellfox MCP server in PolicyLayer and add a rule for sellfox_health_check: 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 Sellfox MCP. Nothing to install.
sellfox_health_check 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 sellfox_health_check 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 sellfox_health_check. 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.
sellfox_health_check is provided by the Sellfox MCP server (shuolol/sellfox-mcp). 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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