Get stack trace
AI agents call get_stack_trace to retrieve information from Mcp Debugger without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves stack trace information for inspection during debugging sessions. It queries the current execution state to display the call stack, which is a read-only operation with no side effects. While it provides insight into program execution, it cannot modify state, execute commands, or cause destructive changes.
From the tool's definition Tool name 'get_stack_trace' and description 'Get stack trace' indicate retrieval of debugging information without modification or execution of code.
Attacks that exploit this kind of access
Get stack trace. It is categorised as a Read tool in the Mcp Debugger MCP Server, which means it retrieves data without modifying state.
Register the Mcp Debugger MCP server in PolicyLayer and add a rule for get_stack_trace: 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 Debugger. Nothing to install.
get_stack_trace 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 get_stack_trace 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 get_stack_trace. 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.
get_stack_trace is provided by the Mcp Debugger MCP server (@debugmcp/mcp-debugger). 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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