create_company · Mycase MCP: Risk & Policy

WHAT IT DOES

What create_company does on Mycase

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

WHY IT NEEDS A POLICY

Why create_company needs a policy

Creating a new company record is a reversible write operation. While it modifies the law firm's database by adding a new entity, it does not execute arbitrary code, delete data, or move money.

From the tool's definition Tool name is 'create_company' and description states 'Create a new company.' This is a creation operation that adds new data to the MyCase system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_company Rate-limited

create_company 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_company": {
      "limits": [
        {
          "counter": "create_company_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Mycase, so you can run agents against it safely.

FAQ

Questions about create_company

What does the create_company tool do? +

Create a new company. It is categorised as a Write tool in the Mycase 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_company? +

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

What risk level is create_company? +

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

Can I rate-limit create_company? +

Yes. Add a rate_limit block to the create_company 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_company completely? +

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

create_company is provided by the Mycase MCP server (rosenadvertising/mycase-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.