create_client

Add a new client to the ${persona}

SERVERBusinys SOURCE@businys/mcp-server

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/app-businys-mcp-server/create-client.md

WHAT IT DOES

What create_client does on Businys

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

RISK

Why create_client is rated Medium

Creating a client record is a reversible write operation that establishes a new data entity in the business management system. It modifies the database state but does not execute arbitrary code, delete data, or involve financial transactions.

From the tool's definition Tool name 'create_client' and description 'Add a new client' indicate creation of new data records. The broader context shows this server manages business data (clients, invoices, contracts) for independent professionals.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_client safely

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

create_client Rate-limited

create_client 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_client": {
      "limits": [
        {
          "counter": "create_client_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 Businys, apply this rule, and every create_client call is checked against it from then on.

FAQ

Questions about create_client

What does the create_client tool do? +

Add a new client to the ${persona}. It is categorised as a Write tool in the Businys 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_client? +

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

What risk level is create_client? +

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

Can I rate-limit create_client? +

Yes. Add a rate_limit block to the create_client 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_client completely? +

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

create_client is provided by the Businys MCP server (@businys/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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