Critical-risk tools in JS Reverse MCP

Critical severity JS Reverse MCP MCP Server 2 of 22 tools

2 of the 22 tools in JS Reverse MCP are classified as critical risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.

Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.

Tools at critical risk

clear_site_data Destructive

Clear browser state to create a clean replay environment for the currently selected page. This clears cookies that affect the current page
remove_breakpoint Destructive

Removes breakpoints. Pass breakpointId to remove a code breakpoint, url to remove an XHR breakpoint, or neither to remove ALL breakpoints (code + XHR).

Attacks that target this class

Critical-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.

Destructive Action Autonomy
Privilege escalation via admin-only tools
Data exfiltration via tool chaining
Runaway Tool Loops

Critical-risk tools in JS Reverse MCP

Tools at critical risk

Attacks that target this class

More on JS Reverse MCP

Enforce policy on every JS Reverse MCP tool call.