create_schemas

Create multiple schemas in a database

SERVERCowork Bench SOURCE0717376/cowork_bench

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/cowork-bench/create-schemas.md

WHAT IT DOES

What create_schemas does on Cowork Bench

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

RISK

Why create_schemas is rated Medium

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

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_schemas safely

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

create_schemas Rate-limited

create_schemas 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_schemas": {
      "limits": [
        {
          "counter": "create_schemas_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 Cowork Bench, apply this rule, and every create_schemas call is checked against it from then on.

FAQ

Questions about create_schemas

What does the create_schemas tool do? +

Create multiple schemas in a database. It is categorised as a Write tool in the Cowork Bench MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_schemas? +

Register the Cowork Bench MCP server in PolicyLayer and add a rule for create_schemas: 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 Cowork Bench. Nothing to install.

What risk level is create_schemas? +

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

Can I rate-limit create_schemas? +

Yes. Add a rate_limit block to the create_schemas 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_schemas completely? +

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

create_schemas is provided by the Cowork Bench MCP server (0717376/cowork_bench). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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