Get CFG/branch/loop info or manage function definitions
Part of the X64dbg server.
Free to start. No card required.
AI agents use x64dbg_control_flow to create or modify resources in X64dbg. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call x64dbg_control_flow repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach X64dbg.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"x64dbg_control_flow": {
"limits": [
{
"counter": "x64dbg_control_flow_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full X64dbg policy for all 23 tools.
These attack patterns abuse exactly the kind of access x64dbg_control_flow gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Get CFG/branch/loop info or manage function definitions. It is categorised as a Write tool in the X64dbg MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the X64dbg MCP server in PolicyLayer and add a rule for x64dbg_control_flow: 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 X64dbg. Nothing to install.
x64dbg_control_flow 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 x64dbg_control_flow 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 x64dbg_control_flow. 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.
x64dbg_control_flow is provided by the X64dbg MCP server (x64dbg-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 23 X64dbg tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
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