解释某个项目内文件在微信小程序工程里的角色、上下游线索和小白下一步。
AI agents call miniapp_understand_file_role to retrieve information from Wechat Miniapp Engineering without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool inspects and explains file roles and relationships within a project structure. It retrieves information about dependencies and context ('上下游线索' = upstream/downstream clues) and provides guidance. There is no mention of modifying files, executing code, or triggering external operations.
From the tool's definition Tool name 'miniapp_understand_file_role' and description '解释某个项目内文件在微信小程序工程里的角色、上下文线索和小白下一步' (explain file role in WeChat mini-app project, context clues, and next steps) - indicates analysis and explanation of existing project structure without modification…
Attacks that exploit this kind of access
解释某个项目内文件在微信小程序工程里的角色、上下游线索和小白下一步。. It is categorised as a Read tool in the Wechat Miniapp Engineering MCP Server, which means it retrieves data without modifying state.
Register the Wechat Miniapp Engineering MCP server in PolicyLayer and add a rule for miniapp_understand_file_role: 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 Wechat Miniapp Engineering. Nothing to install.
miniapp_understand_file_role 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 miniapp_understand_file_role 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 miniapp_understand_file_role. 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.
miniapp_understand_file_role is provided by the Wechat Miniapp Engineering MCP server (lychee20000105/wechat-miniapp-engineering-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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