restore_file_version · Claude MCP Server Integration MCP

WHAT IT DOES

What restore_file_version does on Claude MCP Server Integration

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

WHY IT NEEDS A POLICY

Why restore_file_version needs a policy

The tool modifies file content by restoring to a prior version. While this is not strictly destructive (it can be undone by restoring to another version), it is a write operation that changes data. Severity is high because restoring wrong versions could corrupt project state or lose recent work, and the risk depends on which version is restored.

From the tool's definition Tool name 'restore_file_version' and description stating it 'restores a file to a specific version' indicates modification of file state to a previous state.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

restore_file_version Rate-limited

restore_file_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": {
    "restore_file_version": {
      "limits": [
        {
          "counter": "restore_file_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 Claude MCP Server Integration, so you can run agents against it safely.

FAQ

Questions about restore_file_version

What does the restore_file_version tool do? +

ファイルを特定バージョンに復元します. It is categorised as a Write tool in the Claude MCP Server Integration MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on restore_file_version? +

Register the Claude MCP Server Integration MCP server in PolicyLayer and add a rule for restore_file_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 Claude MCP Server Integration. Nothing to install.

What risk level is restore_file_version? +

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

Can I rate-limit restore_file_version? +

Yes. Add a rate_limit block to the restore_file_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 restore_file_version completely? +

Set action: deny in the PolicyLayer policy for restore_file_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 restore_file_version? +

restore_file_version is provided by the Claude MCP Server Integration MCP server (mokemoke0821/claude-mcp-integration). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.