AI agents call get_function_xrefs to retrieve information from GhidraMCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves cross-reference data about functions, which is a query/search operation with no side effects. It fits the 'Read' category as it gathers information for analysis without modifying, executing, or deleting anything.
From the tool's definition Tool name is 'get_function_xrefs' and is part of a family of tools that includes 'get_xrefs_from' and 'get_xrefs_to', all of which appear to retrieve cross-reference information. The 'get_' prefix indicates a data retrieval operation.
Attacks that exploit this kind of access
get_function_xrefs. It is categorised as a Read tool in the GhidraMCP MCP Server, which means it retrieves data without modifying state.
Register the Ghidra MCP server in PolicyLayer and add a rule for get_function_xrefs: 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 GhidraMCP. Nothing to install.
get_function_xrefs 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_function_xrefs 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_function_xrefs. 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_function_xrefs is provided by the Ghidra MCP server (pr0cf5/ghidramcp). 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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