AI agents use set_comment to create or update resources in CutterMCP-plus — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your CutterMCP-plus environment.
This tool modifies reversible data (comments/annotations in Cutter's analysis database) without deleting or executing code. It falls under Write category because it creates or updates metadata. Severity is medium because misuse could pollute analysis databases or obscure malicious behavior in a RE session, but the changes are non-destructive and limited to annotation scope.
From the tool's definition Tool name is 'set_comment' and description states 'Set a comment at the given address (CCu)' — this creates or modifies metadata (comments) in a reverse engineering database.
Documented attack patterns abuse exactly the kind of access set_comment gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and CutterMCP-plus, and nothing reaches the server without passing your rules. This is the rule we recommend for set_comment:
{
"version": "1",
"default": "deny",
"tools": {
"set_comment": {
"limits": [
{
"counter": "set_comment_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}set_comment stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
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Set a comment at the given address (CCu). It is categorised as a Write tool in the CutterMCP-plus MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the CutterMCP-plus MCP server in PolicyLayer and add a rule for set_comment: 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 CutterMCP-plus. Nothing to install.
set_comment is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the set_comment 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 set_comment. 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.
set_comment is provided by the CutterMCP-plus MCP server (restkhz/cuttermcp-plus). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 20 CutterMCP-plus tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
20 CutterMCP-plus tools catalogued and risk-classified — across an index of 42,500+ MCP servers.