AI agents call block_get_block_time to retrieve information from AF_MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves configuration information about automatic blocking duration for attackers. It performs a read-only query to fetch existing settings without modifying, deleting, or executing any operations. The low severity reflects minimal impact if misused—an attacker would only gain visibility into blocking timeout policies, not the ability to modify security controls.
From the tool's definition Tool name 'block_get_block_time' and description '获取自动封锁攻击者时间配置' (Get automatic blocking of attacker time configuration) indicate a query/retrieval operation. The verb 'get' and 'status' semantics confirm data retrieval with no side effects.
Attacks that exploit this kind of access
获取自动封锁攻击者时间配置。. It is categorised as a Read tool in the AF_MCP MCP Server, which means it retrieves data without modifying state.
Register the AF_ MCP server in PolicyLayer and add a rule for block_get_block_time: 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 AF_MCP. Nothing to install.
block_get_block_time 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 block_get_block_time 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 block_get_block_time. 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.
block_get_block_time is provided by the AF_ MCP server (xiaqijun/af_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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