AI agents call list_funcs to retrieve information from Ida Domain without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or enumerates functions from a reverse engineering database. It has no side effects, does not execute code, and does not modify data. It is a straightforward read-only operation analogous to listing or querying existing data.
From the tool's definition Tool name 'list_funcs' and description 'List functions' indicate a retrieval operation that queries function information from the IDA Pro database without modification or execution.
Documented attack patterns abuse exactly the kind of access list_funcs gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Ida Domain, and nothing reaches the server without passing your rules. This is the rule we recommend for list_funcs:
{
"version": "1",
"default": "deny",
"tools": {
"list_funcs": {}
}
}list_funcs is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List functions. It is categorised as a Read tool in the Ida Domain MCP Server, which means it retrieves data without modifying state.
Register the Ida Domain MCP server in PolicyLayer and add a rule for list_funcs: 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 Ida Domain. Nothing to install.
list_funcs 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 list_funcs 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 list_funcs. 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.
list_funcs is provided by the Ida Domain MCP server (xxyyue/ida_domain_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Ida Domain, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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74 Ida Domain tools catalogued and risk-classified — across an index of 43,000+ MCP servers.