save_memory_item · Reversecore

WHAT IT DOES

What save_memory_item does on Reversecore_MCP

AI agents use save_memory_item 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 save_memory_item needs a policy

The tool performs a write operation by persisting memory items within analysis sessions. While not destructive (data can be modified later), it modifies state irreversibly within the session context. The severity is high because malicious modification of reverse engineering analysis data could corrupt investigation results, mislead security analysis, or support adversarial binary tampering workflows.

From the tool's definition Tool name 'save_memory_item' indicates data persistence/modification. Empty description prevents full certainty, but in context of a reverse engineering server with memory session management (create_memory_session, get_memory_session_detail,…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

save_memory_item Rate-limited

save_memory_item 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": {
    "save_memory_item": {
      "limits": [
        {
          "counter": "save_memory_item_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 save_memory_item

What does the save_memory_item tool do? +

save_memory_item. 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 save_memory_item? +

Register the Reversecore_ MCP server in PolicyLayer and add a rule for save_memory_item: 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 save_memory_item? +

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

Can I rate-limit save_memory_item? +

Yes. Add a rate_limit block to the save_memory_item 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 save_memory_item completely? +

Set action: deny in the PolicyLayer policy for save_memory_item. 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 save_memory_item? +

save_memory_item 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.