AI agents call read_log_lines to retrieve information from Mcp Log Analyzer without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and reads log file data within a specified range. It performs a query operation with no side effects, no data modification, and no execution of external operations. The read-only nature of log analysis aligns with the Read category, with low severity since log access alone does not pose immediate operational risk.
From the tool's definition Tool name 'read_log_lines' and description '读取指定范围的日志行' (read log lines in specified range) indicate data retrieval without modification.
Documented attack patterns abuse exactly the kind of access read_log_lines gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Log Analyzer, and nothing reaches the server without passing your rules. This is the rule we recommend for read_log_lines:
{
"version": "1",
"default": "deny",
"tools": {
"read_log_lines": {}
}
}read_log_lines is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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读取指定范围的日志行. It is categorised as a Read tool in the Mcp Log Analyzer MCP Server, which means it retrieves data without modifying state.
Register the Mcp Log Analyzer MCP server in PolicyLayer and add a rule for read_log_lines: 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 Mcp Log Analyzer. Nothing to install.
read_log_lines 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 read_log_lines 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 read_log_lines. 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.
read_log_lines is provided by the Mcp Log Analyzer MCP server (knownsec/mcp_log_analyzer). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Mcp Log Analyzer, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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5 Mcp Log Analyzer tools catalogued and risk-classified — across an index of 43,000+ MCP servers.