sync_directories · Claude MCP Server Integration MCP

WHAT IT DOES

What sync_directories does on Claude MCP Server Integration

AI agents use sync_directories 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 sync_directories needs a policy

Directory synchronization typically involves copying, creating, and overwriting files from a source to a destination. This is primarily a Write operation as it creates/modifies files. However, depending on implementation, sync may also delete files in the destination that don't exist in the source (destructive behavior).

From the tool's definition "ディレクトリ間でファイルを同期します" (Synchronizes files between directories)

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

sync_directories Rate-limited

sync_directories 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": {
    "sync_directories": {
      "limits": [
        {
          "counter": "sync_directories_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 sync_directories

What does the sync_directories tool do? +

ディレクトリ間でファイルを同期します. 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 sync_directories? +

Register the Claude MCP Server Integration MCP server in PolicyLayer and add a rule for sync_directories: 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 sync_directories? +

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

Can I rate-limit sync_directories? +

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

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

sync_directories 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.