create_bucket

SERVERTimeweb SOURCEtimeweb-mcp

Medium RISK CLASS

Category Write

Parameters 72 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/timeweb-mcp/create-bucket.md

WHAT IT DOES

What create_bucket does on Timeweb

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

Parameter	Type	Required	Description
`name`	string	Yes	ОБЯЗАТЕЛЬНОЕ ПОЛЕ - название хранилища (1-255 символов)
`type`	string	Yes	ОБЯЗАТЕЛЬНОЕ ПОЛЕ - тип хранилища: 'private' (приватное) или 'public' (публичное)
`preset_id`	number	—	ID тарифа. Нельзя передавать вместе с configurator. Список тарифов — get_bucket_presets.
`project_id`	number	—	ID проекта (опц.)
`description`	string	—	Комментарий к хранилищу (1-255 символов, опц.)
`configurator_id`	number	—	ID конфигуратора хранилища. Нельзя передавать вместе с preset_id.
`configurator_disk_mb`	number	—	Размер диска в МБ для конфигуратора (опц.)

Parameters from the server's own tool schema.

RISK

Why create_bucket is rated Medium

This tool creates a new S3 storage bucket, which is a reversible write operation (buckets can be deleted). However, the severity is elevated to 'high' because: (1) it provisions cloud infrastructure resources that incur costs, (2) it generates credentials (access_key/secret_key) that could be misused if exposed, and (3) uncontrolled bucket creation by an AI agent could lead to resource exhaustion or unexpected…

From the tool's definition Tool name 'create_bucket' and description 'Создаёт новое S3-хранилище' (Creates new S3 storage) indicates creation of a new cloud resource. Returns 'access_key and secret_key', which are credentials for accessing the storage.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_bucket safely

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

create_bucket Rate-limited

create_bucket 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": {
    "create_bucket": {
      "limits": [
        {
          "counter": "create_bucket_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 Timeweb, apply this rule, and every create_bucket call is checked against it from then on.

FAQ

Questions about create_bucket

What does the create_bucket tool do? +

Создаёт новое S3-хранилище. Нужно указать name, type (private/public) и ЛИБО preset_id, ЛИБО configurator_id + configurator_disk_mb. Возвращает access_key и secret_key для подключения. It is categorised as a Write tool in the Timeweb MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does create_bucket accept? +

create_bucket accepts 7 parameters: name, type, preset_id, project_id, description, configurator_id, configurator_disk_mb. Required: name, type. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on create_bucket? +

Register the Timeweb MCP server in PolicyLayer and add a rule for create_bucket: 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 Timeweb. Nothing to install.

What risk level is create_bucket? +

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

Can I rate-limit create_bucket? +

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

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

create_bucket is provided by the Timeweb MCP server (timeweb-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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