Comprehensive deep analysis of Lighthouse report (Layer 2)
AI agents call l2_deep_analysis to retrieve information from Lighthouse MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs analytical operations on Lighthouse reports (Core Web Vitals, accessibility, SEO metrics). Analysis of existing performance data is a read-only operation with no capability to modify, delete, execute commands, or perform financial transactions. The 'Layer 2' designation suggests it performs secondary analysis on already-collected data, further confirming the read-only nature.
From the tool's definition Tool name 'l2_deep_analysis' and description 'Comprehensive deep analysis of Lighthouse report' indicate analysis and retrieval of performance data. No side effects mentioned.
Attacks that exploit this kind of access
Comprehensive deep analysis of Lighthouse report (Layer 2). It is categorised as a Read tool in the Lighthouse MCP MCP Server, which means it retrieves data without modifying state.
Register the Lighthouse MCP server in PolicyLayer and add a rule for l2_deep_analysis: 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 Lighthouse MCP. Nothing to install.
l2_deep_analysis 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 l2_deep_analysis 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 l2_deep_analysis. 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.
l2_deep_analysis is provided by the Lighthouse MCP server (mizchi/lighthouse-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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