AI agents call callees 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 queries and returns call graph information from a reverse engineering database. It retrieves static analysis data about function dependencies without executing code, modifying the database, or triggering any side effects. This is a typical Read operation—analogous to a search or lookup query.
From the tool's definition Tool name 'callees' and description 'Get all functions called by the specified functions' indicate pure data retrieval with no modification, deletion, or execution of code.
Documented attack patterns abuse exactly the kind of access callees 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 callees:
{
"version": "1",
"default": "deny",
"tools": {
"callees": {}
}
}callees is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get all functions called by the specified 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 callees: 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.
callees 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 callees 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 callees. 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.
callees 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.