AI agents call get_classes to retrieve information from BinAssistMCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries structural type information from a binary file without creating, modifying, or deleting any data. It has no side effects and is analogous to inspection or introspection operations. The blast radius of misuse is minimal—an AI agent could at worst gather unnecessary information about a binary's structure, but cannot cause damage or unwanted changes.
From the tool's definition Tool name 'get_classes' and description 'Get all classes/structs/types in the binary' indicate data retrieval with no modification capability. The verb 'Get' and passive construction confirm read-only access to binary metadata.
Documented attack patterns abuse exactly the kind of access get_classes gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and BinAssistMCP, and nothing reaches the server without passing your rules. This is the rule we recommend for get_classes:
{
"version": "1",
"default": "deny",
"tools": {
"get_classes": {}
}
}get_classes 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 classes/structs/types in the binary. It is categorised as a Read tool in the BinAssistMCP MCP Server, which means it retrieves data without modifying state.
Register the BinAssist MCP server in PolicyLayer and add a rule for get_classes: 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 BinAssistMCP. Nothing to install.
get_classes 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_classes 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_classes. 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_classes is provided by the BinAssist MCP server (symgraph/binassistmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 44 BinAssistMCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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44 BinAssistMCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.