根据专业关键词匹配可报考的岗位
AI agents call match_by_major to retrieve information from Guokao MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a search and filter operation that retrieves matching job positions based on input criteria (major/professional field). It returns data matching user qualifications without creating, modifying, or deleting any data. It is a read-only query operation with minimal security risk, appropriate for an examination position recommendation system.
From the tool's definition Tool name 'match_by_major' and description '根据专业关键词匹配可报考的岗位' (match examinable positions based on major keywords) indicates querying/filtering positions by professional field. No modifications, deletions, or side effects are performed.
Attacks that exploit this kind of access
根据专业关键词匹配可报考的岗位. It is categorised as a Read tool in the Guokao MCP MCP Server, which means it retrieves data without modifying state.
Register the Guokao MCP server in PolicyLayer and add a rule for match_by_major: 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 Guokao MCP. Nothing to install.
match_by_major 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 match_by_major 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 match_by_major. 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.
match_by_major is provided by the Guokao MCP server (mouseminar/guokao_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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