create_database_instance

Создаёт новый инстанс (БД) внутри кластера (POST /api/v1/databases/{db_cluster_id}/instances).

SERVERTimeweb SOURCEtimeweb-mcp

Medium RISK CLASS

Category Write

Parameters 32 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

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

WHAT IT DOES

What create_database_instance does on Timeweb

AI agents use create_database_instance 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 инстанса базы данных
`description`	string	—	НЕ ОБЯЗАТЕЛЬНОЕ ПОЛЕ - описание инстанса
`db_cluster_id`	integer	Yes	ОБЯЗАТЕЛЬНОЕ ПОЛЕ - ID кластера базы данных

Parameters from the server's own tool schema.

RISK

Why create_database_instance is rated Medium

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

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_database_instance 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_database_instance, this is the rule to start with:

create_database_instance Rate-limited

create_database_instance 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_database_instance": {
      "limits": [
        {
          "counter": "create_database_instance_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_database_instance call is checked against it from then on.

FAQ

Questions about create_database_instance

What does the create_database_instance tool do? +

Создаёт новый инстанс (БД) внутри кластера (POST /api/v1/databases/{db_cluster_id}/instances). 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_database_instance accept? +

create_database_instance accepts 3 parameters: name, description, db_cluster_id. Required: name, db_cluster_id. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on create_database_instance? +

Register the Timeweb MCP server in PolicyLayer and add a rule for create_database_instance: 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_database_instance? +

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

Can I rate-limit create_database_instance? +

Yes. Add a rate_limit block to the create_database_instance 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_database_instance completely? +

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

create_database_instance 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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