create_session_type

Create a new bookable session type for 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-session-type.md

WHAT IT DOES

What create_session_type does on Businys

AI agents use create_session_type 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_session_type is rated Medium

This tool creates a new session type configuration for business operations. It is a Write operation as it creates new data that can be modified or removed. Severity is medium because misconfiguration could affect scheduling and client booking workflows, but the effect is limited to session type metadata rather than financial transactions or destructive operations.

From the tool's definition Tool name includes 'create' which modifies data; description states 'Create a new bookable session type' indicating data creation that is reversible (session types can be archived or deleted).

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_session_type 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_session_type, this is the rule to start with:

create_session_type Rate-limited

create_session_type 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_session_type": {
      "limits": [
        {
          "counter": "create_session_type_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_session_type call is checked against it from then on.

FAQ

Questions about create_session_type

What does the create_session_type tool do? +

Create a new bookable session type for 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_session_type? +

Register the Businys MCP server in PolicyLayer and add a rule for create_session_type: 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_session_type? +

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

Can I rate-limit create_session_type? +

Yes. Add a rate_limit block to the create_session_type 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_session_type completely? +

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

create_session_type 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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