filesystem_create_directory

A write tool on the MCP Framework Personal MCP server.

SERVERMCP Framework Personal SOURCEinggerman/mcps

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/inggerman-mcps/filesystem-create-directory.md

WHAT IT DOES

What filesystem_create_directory does on MCP Framework Personal

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

RISK

Why filesystem_create_directory is rated Medium

An AI agent can call filesystem_create_directory faster than any human can review: one bad instruction and it creates or modifies resources in MCP Framework Personal by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs filesystem_create_directory safely

PolicyLayer is an MCP gateway: it sits between your AI agents and MCP Framework Personal, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For filesystem_create_directory, this is the rule to start with:

filesystem_create_directory Rate-limited

filesystem_create_directory 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": {
    "filesystem_create_directory": {
      "limits": [
        {
          "counter": "filesystem_create_directory_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect MCP Framework Personal, apply this rule, and every filesystem_create_directory call is checked against it from then on.

FAQ

Questions about filesystem_create_directory

What does the filesystem_create_directory tool do? +

filesystem_create_directory is a write tool on the MCP Framework Personal MCP server. It is categorised as a Write tool in the MCP Framework Personal MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on filesystem_create_directory? +

Register the MCP Framework Personal MCP server in PolicyLayer and add a rule for filesystem_create_directory: 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 MCP Framework Personal. Nothing to install.

What risk level is filesystem_create_directory? +

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

Can I rate-limit filesystem_create_directory? +

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

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

filesystem_create_directory is provided by the MCP Framework Personal MCP server (inggerman/mcps). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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