memory_bank_revert_file_to_version

WHAT IT DOES

What memory_bank_revert_file_to_version does on Memory Bank Mcp Mongodb

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

WHY IT NEEDS A POLICY

Why memory_bank_revert_file_to_version needs a policy

The tool overwrites the current file content with old content, but it does so by creating a new version rather than destroying data — the current state is preserved in version history. This is effectively a Write operation (creating a new version record with old content).

From the tool's definition 'Restore a file to a previous version. Creates a new version with the old content.' and 'This cannot be undone but creates a new version for safety.'

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

memory_bank_revert_file_to_version Rate-limited

memory_bank_revert_file_to_version 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": {
    "memory_bank_revert_file_to_version": {
      "limits": [
        {
          "counter": "memory_bank_revert_file_to_version_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 Memory Bank Mcp Mongodb, so you can run agents against it safely.

FAQ

Questions about memory_bank_revert_file_to_version

What does the memory_bank_revert_file_to_version tool do? +

⏪ [RESTORE PREVIOUS VERSION] Restore a file to a previous version. Creates a new version with the old content. ⚠️ IMPORTANT: This cannot be undone but creates a new version for safety. It is categorised as a Write tool in the Memory Bank Mcp Mongodb MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on memory_bank_revert_file_to_version? +

Register the Memory Bank Mcp Mongodb MCP server in PolicyLayer and add a rule for memory_bank_revert_file_to_version: 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 Memory Bank Mcp Mongodb. Nothing to install.

What risk level is memory_bank_revert_file_to_version? +

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

Can I rate-limit memory_bank_revert_file_to_version? +

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

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

memory_bank_revert_file_to_version is provided by the Memory Bank Mcp Mongodb MCP server (sato-isolated/memory-bank-mcp-mongo). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.