Radare2_close_file · Reversecore

WHAT IT DOES

What Radare2_close_file does on Reversecore_MCP

AI agents use Radare2_close_file to create or update resources in Reversecore_MCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Reversecore_MCP environment.

WHY IT NEEDS A POLICY

Why Radare2_close_file needs a policy

This tool performs a reversible session management operation (closing an open analysis session) rather than deleting files or executing code. The action is non-destructive because the underlying binary file remains intact and the session can be reopened. It modifies the state of the active analysis context, fitting the Write category.

From the tool's definition Tool name 'Radare2_close_file' and description 'Close the currently open radare2 session for a file' indicate termination of an interactive analysis session.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

Radare2_close_file Rate-limited

Radare2_close_file 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "Radare2_close_file": {
      "limits": [
        {
          "counter": "radare2_close_file_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Reversecore_MCP, so you can run agents against it safely.

FAQ

Questions about Radare2_close_file

What does the Radare2_close_file tool do? +

Close the currently open radare2 session for a file. It is categorised as a Write tool in the Reversecore_MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on Radare2_close_file? +

Register the Reversecore_ MCP server in PolicyLayer and add a rule for Radare2_close_file: 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 Reversecore_MCP. Nothing to install.

What risk level is Radare2_close_file? +

Radare2_close_file is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit Radare2_close_file? +

Yes. Add a rate_limit block to the Radare2_close_file 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.

How do I block Radare2_close_file completely? +

Set action: deny in the PolicyLayer policy for Radare2_close_file. 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.

What MCP server provides Radare2_close_file? +

Radare2_close_file is provided by the Reversecore_ MCP server (sjkim1127/reversecore_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.